881 lines
26 KiB
C++
881 lines
26 KiB
C++
/*
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Utility tests.
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Copyright (c) 2012-2014, Victor Zverovich
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "test-assert.h"
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#include <cfloat>
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#include <climits>
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#include <cstring>
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#include <limits>
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#if FMT_USE_TYPE_TRAITS
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# include <type_traits>
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#endif
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#include "gmock/gmock.h"
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#include "gtest-extra.h"
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#include "mock-allocator.h"
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#include "util.h"
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// Check if format.h compiles with windows.h included.
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#ifdef _WIN32
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# include <windows.h>
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#endif
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#include "format.h"
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#undef max
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using fmt::StringRef;
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using fmt::internal::Arg;
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using fmt::Buffer;
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using fmt::internal::MemoryBuffer;
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using testing::Return;
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using testing::StrictMock;
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namespace {
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struct Test {};
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template <typename Char>
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std::basic_ostream<Char> &operator<<(std::basic_ostream<Char> &os, Test) {
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return os << "test";
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}
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template <typename Char, typename T>
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Arg make_arg(const T &value) {
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Arg arg = fmt::internal::MakeValue<Char>(value);
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arg.type = static_cast<Arg::Type>(
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fmt::internal::MakeValue<Char>::type(value));
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return arg;
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}
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} // namespace
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void CheckForwarding(
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MockAllocator<int> &alloc, AllocatorRef< MockAllocator<int> > &ref) {
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int mem;
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// Check if value_type is properly defined.
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AllocatorRef< MockAllocator<int> >::value_type *ptr = &mem;
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// Check forwarding.
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EXPECT_CALL(alloc, allocate(42)).WillOnce(Return(ptr));
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ref.allocate(42);
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EXPECT_CALL(alloc, deallocate(ptr, 42));
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ref.deallocate(ptr, 42);
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}
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TEST(AllocatorTest, AllocatorRef) {
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StrictMock< MockAllocator<int> > alloc;
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typedef AllocatorRef< MockAllocator<int> > TestAllocatorRef;
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TestAllocatorRef ref(&alloc);
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// Check if AllocatorRef forwards to the underlying allocator.
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CheckForwarding(alloc, ref);
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TestAllocatorRef ref2(ref);
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CheckForwarding(alloc, ref2);
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TestAllocatorRef ref3;
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EXPECT_EQ(0, ref3.get());
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ref3 = ref;
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CheckForwarding(alloc, ref3);
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}
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#if FMT_USE_TYPE_TRAITS
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TEST(BufferTest, Noncopyable) {
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EXPECT_FALSE(std::is_copy_constructible<Buffer<char> >::value);
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EXPECT_FALSE(std::is_copy_assignable<Buffer<char> >::value);
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}
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TEST(BufferTest, Nonmoveable) {
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EXPECT_FALSE(std::is_move_constructible<Buffer<char> >::value);
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EXPECT_FALSE(std::is_move_assignable<Buffer<char> >::value);
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}
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#endif
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// A test buffer with a dummy grow method.
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template <typename T>
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struct TestBuffer : Buffer<T> {
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void grow(std::size_t size) { this->capacity_ = size; }
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};
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template <typename T>
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struct MockBuffer : Buffer<T> {
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MOCK_METHOD1(do_grow, void (std::size_t size));
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void grow(std::size_t size) {
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this->capacity_ = size;
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do_grow(size);
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}
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MockBuffer() {}
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MockBuffer(T *ptr) : Buffer<T>(ptr) {}
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MockBuffer(T *ptr, std::size_t capacity) : Buffer<T>(ptr, capacity) {}
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};
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TEST(BufferTest, Ctor) {
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{
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MockBuffer<int> buffer;
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EXPECT_EQ(0, &buffer[0]);
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EXPECT_EQ(0u, buffer.size());
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EXPECT_EQ(0u, buffer.capacity());
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}
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{
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int dummy;
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MockBuffer<int> buffer(&dummy);
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EXPECT_EQ(&dummy, &buffer[0]);
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EXPECT_EQ(0u, buffer.size());
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EXPECT_EQ(0u, buffer.capacity());
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}
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{
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int dummy;
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std::size_t capacity = std::numeric_limits<std::size_t>::max();
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MockBuffer<int> buffer(&dummy, capacity);
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EXPECT_EQ(&dummy, &buffer[0]);
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EXPECT_EQ(0u, buffer.size());
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EXPECT_EQ(capacity, buffer.capacity());
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}
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}
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struct DyingBuffer : TestBuffer<int> {
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MOCK_METHOD0(die, void());
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~DyingBuffer() { die(); }
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};
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TEST(BufferTest, VirtualDtor) {
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typedef StrictMock<DyingBuffer> StictMockBuffer;
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StictMockBuffer *mock_buffer = new StictMockBuffer();
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EXPECT_CALL(*mock_buffer, die());
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Buffer<int> *buffer = mock_buffer;
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delete buffer;
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}
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TEST(BufferTest, Access) {
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char data[10];
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MockBuffer<char> buffer(data, sizeof(data));
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buffer[0] = 11;
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EXPECT_EQ(11, buffer[0]);
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buffer[3] = 42;
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EXPECT_EQ(42, *(&buffer[0] + 3));
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const Buffer<char> &const_buffer = buffer;
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EXPECT_EQ(42, const_buffer[3]);
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}
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TEST(BufferTest, Resize) {
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char data[123];
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MockBuffer<char> buffer(data, sizeof(data));
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buffer[10] = 42;
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EXPECT_EQ(42, buffer[10]);
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buffer.resize(20);
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EXPECT_EQ(20u, buffer.size());
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EXPECT_EQ(123u, buffer.capacity());
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EXPECT_EQ(42, buffer[10]);
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buffer.resize(5);
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EXPECT_EQ(5u, buffer.size());
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EXPECT_EQ(123u, buffer.capacity());
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EXPECT_EQ(42, buffer[10]);
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// Check if resize calls grow.
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EXPECT_CALL(buffer, do_grow(124));
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buffer.resize(124);
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EXPECT_CALL(buffer, do_grow(200));
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buffer.resize(200);
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}
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TEST(BufferTest, Clear) {
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TestBuffer<char> buffer;
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buffer.resize(20);
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buffer.clear();
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EXPECT_EQ(0u, buffer.size());
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EXPECT_EQ(20u, buffer.capacity());
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}
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TEST(BufferTest, PushBack) {
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int data[15];
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MockBuffer<int> buffer(data, 10);
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buffer.push_back(11);
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EXPECT_EQ(11, buffer[0]);
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EXPECT_EQ(1u, buffer.size());
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buffer.resize(10);
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EXPECT_CALL(buffer, do_grow(11));
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buffer.push_back(22);
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EXPECT_EQ(22, buffer[10]);
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EXPECT_EQ(11u, buffer.size());
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}
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TEST(BufferTest, Append) {
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char data[15];
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MockBuffer<char> buffer(data, 10);
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const char *test = "test";
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buffer.append(test, test + 5);
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EXPECT_STREQ(test, &buffer[0]);
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EXPECT_EQ(5u, buffer.size());
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buffer.resize(10);
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EXPECT_CALL(buffer, do_grow(12));
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buffer.append(test, test + 2);
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EXPECT_EQ('t', buffer[10]);
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EXPECT_EQ('e', buffer[11]);
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EXPECT_EQ(12u, buffer.size());
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}
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TEST(BufferTest, AppendAllocatesEnoughStorage) {
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char data[19];
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MockBuffer<char> buffer(data, 10);
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const char *test = "abcdefgh";
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buffer.resize(10);
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EXPECT_CALL(buffer, do_grow(19));
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buffer.append(test, test + 9);
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}
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TEST(MemoryBufferTest, Ctor) {
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MemoryBuffer<char, 123> buffer;
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EXPECT_EQ(0u, buffer.size());
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EXPECT_EQ(123u, buffer.capacity());
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}
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#if FMT_USE_RVALUE_REFERENCES
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typedef AllocatorRef< std::allocator<char> > TestAllocator;
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void check_move_buffer(const char *str,
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MemoryBuffer<char, 5, TestAllocator> &buffer) {
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std::allocator<char> *alloc = buffer.get_allocator().get();
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MemoryBuffer<char, 5, TestAllocator> buffer2(std::move(buffer));
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// Move shouldn't destroy the inline content of the first buffer.
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EXPECT_EQ(str, std::string(&buffer[0], buffer.size()));
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EXPECT_EQ(str, std::string(&buffer2[0], buffer2.size()));
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EXPECT_EQ(5u, buffer2.capacity());
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// Move should transfer allocator.
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EXPECT_EQ(0, buffer.get_allocator().get());
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EXPECT_EQ(alloc, buffer2.get_allocator().get());
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}
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TEST(MemoryBufferTest, MoveCtor) {
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std::allocator<char> alloc;
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MemoryBuffer<char, 5, TestAllocator> buffer((TestAllocator(&alloc)));
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const char test[] = "test";
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buffer.append(test, test + 4);
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check_move_buffer("test", buffer);
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// Adding one more character fills the inline buffer, but doesn't cause
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// dynamic allocation.
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buffer.push_back('a');
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check_move_buffer("testa", buffer);
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const char *inline_buffer_ptr = &buffer[0];
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// Adding one more character causes the content to move from the inline to
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// a dynamically allocated buffer.
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buffer.push_back('b');
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MemoryBuffer<char, 5, TestAllocator> buffer2(std::move(buffer));
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// Move should rip the guts of the first buffer.
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EXPECT_EQ(inline_buffer_ptr, &buffer[0]);
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EXPECT_EQ("testab", std::string(&buffer2[0], buffer2.size()));
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EXPECT_GT(buffer2.capacity(), 5u);
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}
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void check_move_assign_buffer(const char *str, MemoryBuffer<char, 5> &buffer) {
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MemoryBuffer<char, 5> buffer2;
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buffer2 = std::move(buffer);
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// Move shouldn't destroy the inline content of the first buffer.
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EXPECT_EQ(str, std::string(&buffer[0], buffer.size()));
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EXPECT_EQ(str, std::string(&buffer2[0], buffer2.size()));
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EXPECT_EQ(5u, buffer2.capacity());
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}
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TEST(MemoryBufferTest, MoveAssignment) {
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MemoryBuffer<char, 5> buffer;
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const char test[] = "test";
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buffer.append(test, test + 4);
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check_move_assign_buffer("test", buffer);
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// Adding one more character fills the inline buffer, but doesn't cause
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// dynamic allocation.
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buffer.push_back('a');
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check_move_assign_buffer("testa", buffer);
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const char *inline_buffer_ptr = &buffer[0];
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// Adding one more character causes the content to move from the inline to
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// a dynamically allocated buffer.
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buffer.push_back('b');
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MemoryBuffer<char, 5> buffer2;
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buffer2 = std::move(buffer);
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// Move should rip the guts of the first buffer.
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EXPECT_EQ(inline_buffer_ptr, &buffer[0]);
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EXPECT_EQ("testab", std::string(&buffer2[0], buffer2.size()));
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EXPECT_GT(buffer2.capacity(), 5u);
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}
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#endif // FMT_USE_RVALUE_REFERENCES
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TEST(MemoryBufferTest, Grow) {
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typedef AllocatorRef< MockAllocator<int> > Allocator;
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typedef MemoryBuffer<int, 10, Allocator> Base;
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MockAllocator<int> alloc;
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struct TestMemoryBuffer : Base {
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TestMemoryBuffer(Allocator alloc) : Base(alloc) {}
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void grow(std::size_t size) { Base::grow(size); }
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} buffer((Allocator(&alloc)));
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buffer.resize(7);
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for (int i = 0; i < 7; ++i)
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buffer[i] = i * i;
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EXPECT_EQ(10u, buffer.capacity());
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int mem[20];
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mem[7] = 0xdead;
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EXPECT_CALL(alloc, allocate(20)).WillOnce(Return(mem));
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buffer.grow(20);
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EXPECT_EQ(20u, buffer.capacity());
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// Check if size elements have been copied
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for (int i = 0; i < 7; ++i)
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EXPECT_EQ(i * i, buffer[i]);
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// and no more than that.
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EXPECT_EQ(0xdead, buffer[7]);
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EXPECT_CALL(alloc, deallocate(mem, 20));
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}
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TEST(MemoryBufferTest, Allocator) {
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typedef AllocatorRef< MockAllocator<char> > TestAllocator;
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MemoryBuffer<char, 10, TestAllocator> buffer;
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EXPECT_EQ(0, buffer.get_allocator().get());
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StrictMock< MockAllocator<char> > alloc;
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char mem;
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{
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MemoryBuffer<char, 10, TestAllocator> buffer2((TestAllocator(&alloc)));
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EXPECT_EQ(&alloc, buffer2.get_allocator().get());
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std::size_t size = 2 * fmt::internal::INLINE_BUFFER_SIZE;
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EXPECT_CALL(alloc, allocate(size)).WillOnce(Return(&mem));
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buffer2.reserve(size);
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EXPECT_CALL(alloc, deallocate(&mem, size));
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}
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}
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TEST(MemoryBufferTest, ExceptionInDeallocate) {
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typedef AllocatorRef< MockAllocator<char> > TestAllocator;
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StrictMock< MockAllocator<char> > alloc;
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MemoryBuffer<char, 10, TestAllocator> buffer((TestAllocator(&alloc)));
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std::size_t size = 2 * fmt::internal::INLINE_BUFFER_SIZE;
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std::vector<char> mem(size);
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{
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EXPECT_CALL(alloc, allocate(size)).WillOnce(Return(&mem[0]));
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buffer.resize(size);
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std::fill(&buffer[0], &buffer[0] + size, 'x');
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}
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std::vector<char> mem2(2 * size);
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{
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EXPECT_CALL(alloc, allocate(2 * size)).WillOnce(Return(&mem2[0]));
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std::exception e;
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EXPECT_CALL(alloc, deallocate(&mem[0], size)).WillOnce(testing::Throw(e));
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EXPECT_THROW(buffer.reserve(2 * size), std::exception);
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EXPECT_EQ(&mem2[0], &buffer[0]);
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// Check that the data has been copied.
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for (std::size_t i = 0; i < size; ++i)
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EXPECT_EQ('x', buffer[i]);
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}
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EXPECT_CALL(alloc, deallocate(&mem2[0], 2 * size));
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}
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TEST(UtilTest, Increment) {
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char s[10] = "123";
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increment(s);
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EXPECT_STREQ("124", s);
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s[2] = '8';
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increment(s);
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EXPECT_STREQ("129", s);
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increment(s);
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EXPECT_STREQ("130", s);
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s[1] = s[2] = '9';
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increment(s);
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EXPECT_STREQ("200", s);
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}
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template <Arg::Type>
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struct ArgInfo;
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#define ARG_INFO(type_code, Type, field) \
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template <> \
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struct ArgInfo<Arg::type_code> { \
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static Type get(const Arg &arg) { return arg.field; } \
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};
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ARG_INFO(INT, int, int_value);
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ARG_INFO(UINT, unsigned, uint_value);
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ARG_INFO(LONG_LONG, fmt::LongLong, long_long_value);
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ARG_INFO(ULONG_LONG, fmt::ULongLong, ulong_long_value);
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ARG_INFO(BOOL, int, int_value);
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ARG_INFO(CHAR, int, int_value);
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ARG_INFO(DOUBLE, double, double_value);
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ARG_INFO(LONG_DOUBLE, long double, long_double_value);
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ARG_INFO(CSTRING, const char *, string.value);
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ARG_INFO(STRING, const char *, string.value);
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ARG_INFO(WSTRING, const wchar_t *, wstring.value);
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ARG_INFO(POINTER, const void *, pointer);
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ARG_INFO(CUSTOM, Arg::CustomValue, custom);
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#define CHECK_ARG_INFO(Type, field, value) { \
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Arg arg = Arg(); \
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arg.field = value; \
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EXPECT_EQ(value, ArgInfo<Arg::Type>::get(arg)); \
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}
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TEST(ArgTest, ArgInfo) {
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CHECK_ARG_INFO(INT, int_value, 42);
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CHECK_ARG_INFO(UINT, uint_value, 42u);
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CHECK_ARG_INFO(LONG_LONG, long_long_value, 42);
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CHECK_ARG_INFO(ULONG_LONG, ulong_long_value, 42u);
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CHECK_ARG_INFO(DOUBLE, double_value, 4.2);
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CHECK_ARG_INFO(LONG_DOUBLE, long_double_value, 4.2);
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CHECK_ARG_INFO(CHAR, int_value, 'x');
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const char STR[] = "abc";
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CHECK_ARG_INFO(CSTRING, string.value, STR);
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const wchar_t WSTR[] = L"abc";
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CHECK_ARG_INFO(WSTRING, wstring.value, WSTR);
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int p = 0;
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CHECK_ARG_INFO(POINTER, pointer, &p);
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Arg arg = Arg();
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arg.custom.value = &p;
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EXPECT_EQ(&p, ArgInfo<Arg::CUSTOM>::get(arg).value);
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}
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#define EXPECT_ARG_(Char, type_code, MakeArgType, ExpectedType, value) { \
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MakeArgType input = static_cast<MakeArgType>(value); \
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Arg arg = make_arg<Char>(input); \
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EXPECT_EQ(Arg::type_code, arg.type); \
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ExpectedType expected_value = static_cast<ExpectedType>(value); \
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EXPECT_EQ(expected_value, ArgInfo<Arg::type_code>::get(arg)); \
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}
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#define EXPECT_ARG(type_code, Type, value) \
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EXPECT_ARG_(char, type_code, Type, Type, value)
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#define EXPECT_ARGW(type_code, Type, value) \
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EXPECT_ARG_(wchar_t, type_code, Type, Type, value)
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TEST(ArgTest, MakeArg) {
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// Test bool.
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EXPECT_ARG_(char, BOOL, bool, int, true);
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EXPECT_ARG_(wchar_t, BOOL, bool, int, true);
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// Test char.
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EXPECT_ARG(CHAR, signed char, 'a');
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EXPECT_ARG(CHAR, signed char, SCHAR_MIN);
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EXPECT_ARG(CHAR, signed char, SCHAR_MAX);
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EXPECT_ARG(CHAR, unsigned char, 'a');
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EXPECT_ARG(CHAR, unsigned char, UCHAR_MAX );
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EXPECT_ARG(CHAR, char, 'a');
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EXPECT_ARG(CHAR, char, CHAR_MIN);
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|
EXPECT_ARG(CHAR, char, CHAR_MAX);
|
|
|
|
// Test wchar_t.
|
|
EXPECT_ARGW(CHAR, wchar_t, L'a');
|
|
EXPECT_ARGW(CHAR, wchar_t, WCHAR_MIN);
|
|
EXPECT_ARGW(CHAR, wchar_t, WCHAR_MAX);
|
|
|
|
// Test short.
|
|
EXPECT_ARG(INT, short, 42);
|
|
EXPECT_ARG(INT, short, SHRT_MIN);
|
|
EXPECT_ARG(INT, short, SHRT_MAX);
|
|
EXPECT_ARG(UINT, unsigned short, 42);
|
|
EXPECT_ARG(UINT, unsigned short, USHRT_MAX);
|
|
|
|
// Test int.
|
|
EXPECT_ARG(INT, int, 42);
|
|
EXPECT_ARG(INT, int, INT_MIN);
|
|
EXPECT_ARG(INT, int, INT_MAX);
|
|
EXPECT_ARG(UINT, unsigned, 42);
|
|
EXPECT_ARG(UINT, unsigned, UINT_MAX);
|
|
|
|
// Test long.
|
|
#if LONG_MAX == INT_MAX
|
|
# define LONG INT
|
|
# define ULONG UINT
|
|
# define long_value int_value
|
|
# define ulong_value uint_value
|
|
#else
|
|
# define LONG LONG_LONG
|
|
# define ULONG ULONG_LONG
|
|
# define long_value long_long_value
|
|
# define ulong_value ulong_long_value
|
|
#endif
|
|
EXPECT_ARG(LONG, long, 42);
|
|
EXPECT_ARG(LONG, long, LONG_MIN);
|
|
EXPECT_ARG(LONG, long, LONG_MAX);
|
|
EXPECT_ARG(ULONG, unsigned long, 42);
|
|
EXPECT_ARG(ULONG, unsigned long, ULONG_MAX);
|
|
|
|
// Test long long.
|
|
EXPECT_ARG(LONG_LONG, fmt::LongLong, 42);
|
|
EXPECT_ARG(LONG_LONG, fmt::LongLong, LLONG_MIN);
|
|
EXPECT_ARG(LONG_LONG, fmt::LongLong, LLONG_MAX);
|
|
EXPECT_ARG(ULONG_LONG, fmt::ULongLong, 42);
|
|
EXPECT_ARG(ULONG_LONG, fmt::ULongLong, ULLONG_MAX);
|
|
|
|
// Test float.
|
|
EXPECT_ARG(DOUBLE, float, 4.2);
|
|
EXPECT_ARG(DOUBLE, float, FLT_MIN);
|
|
EXPECT_ARG(DOUBLE, float, FLT_MAX);
|
|
|
|
// Test double.
|
|
EXPECT_ARG(DOUBLE, double, 4.2);
|
|
EXPECT_ARG(DOUBLE, double, DBL_MIN);
|
|
EXPECT_ARG(DOUBLE, double, DBL_MAX);
|
|
|
|
// Test long double.
|
|
EXPECT_ARG(LONG_DOUBLE, long double, 4.2);
|
|
EXPECT_ARG(LONG_DOUBLE, long double, LDBL_MIN);
|
|
EXPECT_ARG(LONG_DOUBLE, long double, LDBL_MAX);
|
|
|
|
// Test string.
|
|
char STR[] = "test";
|
|
EXPECT_ARG(CSTRING, char*, STR);
|
|
EXPECT_ARG(CSTRING, const char*, STR);
|
|
EXPECT_ARG(STRING, std::string, STR);
|
|
EXPECT_ARG(STRING, fmt::StringRef, STR);
|
|
|
|
// Test wide string.
|
|
wchar_t WSTR[] = L"test";
|
|
EXPECT_ARGW(WSTRING, wchar_t*, WSTR);
|
|
EXPECT_ARGW(WSTRING, const wchar_t*, WSTR);
|
|
EXPECT_ARGW(WSTRING, std::wstring, WSTR);
|
|
EXPECT_ARGW(WSTRING, fmt::WStringRef, WSTR);
|
|
|
|
int n = 42;
|
|
EXPECT_ARG(POINTER, void*, &n);
|
|
EXPECT_ARG(POINTER, const void*, &n);
|
|
|
|
::Test t;
|
|
Arg arg = make_arg<char>(t);
|
|
EXPECT_EQ(fmt::internal::Arg::CUSTOM, arg.type);
|
|
EXPECT_EQ(&t, arg.custom.value);
|
|
fmt::MemoryWriter w;
|
|
fmt::BasicFormatter<char> formatter(fmt::ArgList(), w);
|
|
const char *s = "}";
|
|
arg.custom.format(&formatter, &t, &s);
|
|
EXPECT_EQ("test", w.str());
|
|
}
|
|
|
|
TEST(UtilTest, ArgList) {
|
|
fmt::ArgList args;
|
|
EXPECT_EQ(Arg::NONE, args[1].type);
|
|
}
|
|
|
|
struct Result {
|
|
Arg arg;
|
|
|
|
Result() : arg(make_arg<char>(0xdeadbeef)) {}
|
|
|
|
template <typename T>
|
|
Result(const T& value) : arg(make_arg<char>(value)) {}
|
|
Result(const wchar_t *s) : arg(make_arg<wchar_t>(s)) {}
|
|
};
|
|
|
|
struct TestVisitor : fmt::internal::ArgVisitor<TestVisitor, Result> {
|
|
Result visit_int(int value) { return value; }
|
|
Result visit_uint(unsigned value) { return value; }
|
|
Result visit_long_long(fmt::LongLong value) { return value; }
|
|
Result visit_ulong_long(fmt::ULongLong value) { return value; }
|
|
Result visit_double(double value) { return value; }
|
|
Result visit_long_double(long double value) { return value; }
|
|
Result visit_char(int value) { return static_cast<char>(value); }
|
|
Result visit_string(Arg::StringValue<char> s) { return s.value; }
|
|
Result visit_wstring(Arg::StringValue<wchar_t> s) { return s.value; }
|
|
Result visit_pointer(const void *p) { return p; }
|
|
Result visit_custom(Arg::CustomValue c) {
|
|
return *static_cast<const ::Test*>(c.value);
|
|
}
|
|
};
|
|
|
|
#define EXPECT_RESULT_(Char, type_code, value) { \
|
|
Arg arg = make_arg<Char>(value); \
|
|
Result result = TestVisitor().visit(arg); \
|
|
EXPECT_EQ(Arg::type_code, result.arg.type); \
|
|
EXPECT_EQ(value, ArgInfo<Arg::type_code>::get(result.arg)); \
|
|
}
|
|
|
|
#define EXPECT_RESULT(type_code, value) \
|
|
EXPECT_RESULT_(char, type_code, value)
|
|
#define EXPECT_RESULTW(type_code, value) \
|
|
EXPECT_RESULT_(wchar_t, type_code, value)
|
|
|
|
TEST(ArgVisitorTest, VisitAll) {
|
|
EXPECT_RESULT(INT, 42);
|
|
EXPECT_RESULT(UINT, 42u);
|
|
EXPECT_RESULT(LONG_LONG, 42ll);
|
|
EXPECT_RESULT(ULONG_LONG, 42ull);
|
|
EXPECT_RESULT(DOUBLE, 4.2);
|
|
EXPECT_RESULT(LONG_DOUBLE, 4.2l);
|
|
EXPECT_RESULT(CHAR, 'x');
|
|
const char STR[] = "abc";
|
|
EXPECT_RESULT(CSTRING, STR);
|
|
const wchar_t WSTR[] = L"abc";
|
|
EXPECT_RESULTW(WSTRING, WSTR);
|
|
const void *p = STR;
|
|
EXPECT_RESULT(POINTER, p);
|
|
::Test t;
|
|
Result result = TestVisitor().visit(make_arg<char>(t));
|
|
EXPECT_EQ(Arg::CUSTOM, result.arg.type);
|
|
EXPECT_EQ(&t, result.arg.custom.value);
|
|
}
|
|
|
|
struct TestAnyVisitor : fmt::internal::ArgVisitor<TestAnyVisitor, Result> {
|
|
template <typename T>
|
|
Result visit_any_int(T value) { return value; }
|
|
|
|
template <typename T>
|
|
Result visit_any_double(T value) { return value; }
|
|
};
|
|
|
|
#undef EXPECT_RESULT
|
|
#define EXPECT_RESULT(type_code, value) { \
|
|
Result result = TestAnyVisitor().visit(make_arg<char>(value)); \
|
|
EXPECT_EQ(Arg::type_code, result.arg.type); \
|
|
EXPECT_EQ(value, ArgInfo<Arg::type_code>::get(result.arg)); \
|
|
}
|
|
|
|
TEST(ArgVisitorTest, VisitAny) {
|
|
EXPECT_RESULT(INT, 42);
|
|
EXPECT_RESULT(UINT, 42u);
|
|
EXPECT_RESULT(LONG_LONG, 42ll);
|
|
EXPECT_RESULT(ULONG_LONG, 42ull);
|
|
EXPECT_RESULT(DOUBLE, 4.2);
|
|
EXPECT_RESULT(LONG_DOUBLE, 4.2l);
|
|
}
|
|
|
|
struct TestUnhandledVisitor :
|
|
fmt::internal::ArgVisitor<TestUnhandledVisitor, const char *> {
|
|
const char *visit_unhandled_arg() { return "test"; }
|
|
};
|
|
|
|
#define EXPECT_UNHANDLED(value) \
|
|
EXPECT_STREQ("test", TestUnhandledVisitor().visit(make_arg<wchar_t>(value)));
|
|
|
|
TEST(ArgVisitorTest, VisitUnhandledArg) {
|
|
EXPECT_UNHANDLED(42);
|
|
EXPECT_UNHANDLED(42u);
|
|
EXPECT_UNHANDLED(42ll);
|
|
EXPECT_UNHANDLED(42ull);
|
|
EXPECT_UNHANDLED(4.2);
|
|
EXPECT_UNHANDLED(4.2l);
|
|
EXPECT_UNHANDLED('x');
|
|
const char STR[] = "abc";
|
|
EXPECT_UNHANDLED(STR);
|
|
const wchar_t WSTR[] = L"abc";
|
|
EXPECT_UNHANDLED(WSTR);
|
|
const void *p = STR;
|
|
EXPECT_UNHANDLED(p);
|
|
EXPECT_UNHANDLED(::Test());
|
|
}
|
|
|
|
TEST(ArgVisitorTest, VisitInvalidArg) {
|
|
Arg arg = Arg();
|
|
arg.type = static_cast<Arg::Type>(Arg::CUSTOM + 1);
|
|
EXPECT_ASSERT(TestVisitor().visit(arg), "invalid argument type");
|
|
}
|
|
|
|
// Tests fmt::internal::count_digits for integer type Int.
|
|
template <typename Int>
|
|
void test_count_digits() {
|
|
for (Int i = 0; i < 10; ++i)
|
|
EXPECT_EQ(1u, fmt::internal::count_digits(i));
|
|
for (Int i = 1, n = 1,
|
|
end = std::numeric_limits<Int>::max() / 10; n <= end; ++i) {
|
|
n *= 10;
|
|
EXPECT_EQ(i, fmt::internal::count_digits(n - 1));
|
|
EXPECT_EQ(i + 1, fmt::internal::count_digits(n));
|
|
}
|
|
}
|
|
|
|
TEST(UtilTest, StringRef) {
|
|
// Test that StringRef::size() returns string length, not buffer size.
|
|
char str[100] = "some string";
|
|
EXPECT_EQ(std::strlen(str), StringRef(str).size());
|
|
EXPECT_LT(std::strlen(str), sizeof(str));
|
|
}
|
|
|
|
TEST(UtilTest, CountDigits) {
|
|
test_count_digits<uint32_t>();
|
|
test_count_digits<uint64_t>();
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
TEST(UtilTest, UTF16ToUTF8) {
|
|
std::string s = "ёжик";
|
|
fmt::internal::UTF16ToUTF8 u(L"\x0451\x0436\x0438\x043A");
|
|
EXPECT_EQ(s, u.str());
|
|
EXPECT_EQ(s.size(), u.size());
|
|
}
|
|
|
|
TEST(UtilTest, UTF8ToUTF16) {
|
|
std::string s = "лошадка";
|
|
fmt::internal::UTF8ToUTF16 u(s.c_str());
|
|
EXPECT_EQ(L"\x043B\x043E\x0448\x0430\x0434\x043A\x0430", u.str());
|
|
EXPECT_EQ(7, u.size());
|
|
}
|
|
|
|
template <typename Converter, typename Char>
|
|
void check_utf_conversion_error(
|
|
const char *message,
|
|
fmt::BasicStringRef<Char> str = fmt::BasicStringRef<Char>(0, 0)) {
|
|
fmt::MemoryWriter out;
|
|
fmt::internal::format_windows_error(out, ERROR_INVALID_PARAMETER, message);
|
|
fmt::SystemError error(0, "");
|
|
try {
|
|
(Converter)(str);
|
|
} catch (const fmt::SystemError &e) {
|
|
error = e;
|
|
}
|
|
EXPECT_EQ(ERROR_INVALID_PARAMETER, error.error_code());
|
|
EXPECT_EQ(out.str(), error.what());
|
|
}
|
|
|
|
TEST(UtilTest, UTF16ToUTF8Error) {
|
|
check_utf_conversion_error<fmt::internal::UTF16ToUTF8, wchar_t>(
|
|
"cannot convert string from UTF-16 to UTF-8");
|
|
}
|
|
|
|
TEST(UtilTest, UTF8ToUTF16Error) {
|
|
const char *message = "cannot convert string from UTF-8 to UTF-16";
|
|
check_utf_conversion_error<fmt::internal::UTF8ToUTF16, char>(message);
|
|
check_utf_conversion_error<fmt::internal::UTF8ToUTF16, char>(
|
|
message, fmt::StringRef("foo", INT_MAX + 1u));
|
|
}
|
|
|
|
TEST(UtilTest, UTF16ToUTF8Convert) {
|
|
fmt::internal::UTF16ToUTF8 u;
|
|
EXPECT_EQ(ERROR_INVALID_PARAMETER, u.convert(fmt::WStringRef(0, 0)));
|
|
EXPECT_EQ(ERROR_INVALID_PARAMETER,
|
|
u.convert(fmt::WStringRef(L"foo", INT_MAX + 1u)));
|
|
}
|
|
#endif // _WIN32
|
|
|
|
typedef void (*FormatErrorMessage)(
|
|
fmt::Writer &out, int error_code, StringRef message);
|
|
|
|
template <typename Error>
|
|
void check_throw_error(int error_code, FormatErrorMessage format) {
|
|
fmt::SystemError error(0, "");
|
|
try {
|
|
throw Error(error_code, "test {}", "error");
|
|
} catch (const fmt::SystemError &e) {
|
|
error = e;
|
|
}
|
|
fmt::MemoryWriter message;
|
|
format(message, error_code, "test error");
|
|
EXPECT_EQ(message.str(), error.what());
|
|
EXPECT_EQ(error_code, error.error_code());
|
|
}
|
|
|
|
TEST(UtilTest, FormatSystemError) {
|
|
fmt::MemoryWriter message;
|
|
fmt::internal::format_system_error(message, EDOM, "test");
|
|
EXPECT_EQ(fmt::format("test: {}", get_system_error(EDOM)), message.str());
|
|
message.clear();
|
|
fmt::internal::format_system_error(
|
|
message, EDOM, fmt::StringRef("x", std::numeric_limits<size_t>::max()));
|
|
EXPECT_EQ(fmt::format("error {}", EDOM), message.str());
|
|
}
|
|
|
|
TEST(UtilTest, SystemError) {
|
|
fmt::SystemError e(EDOM, "test");
|
|
EXPECT_EQ(fmt::format("test: {}", get_system_error(EDOM)), e.what());
|
|
EXPECT_EQ(EDOM, e.error_code());
|
|
check_throw_error<fmt::SystemError>(EDOM, fmt::internal::format_system_error);
|
|
}
|
|
|
|
TEST(UtilTest, ReportSystemError) {
|
|
fmt::MemoryWriter out;
|
|
fmt::internal::format_system_error(out, EDOM, "test error");
|
|
out << '\n';
|
|
EXPECT_WRITE(stderr, fmt::report_system_error(EDOM, "test error"), out.str());
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
|
|
TEST(UtilTest, FormatWindowsError) {
|
|
LPWSTR message = 0;
|
|
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
|
|
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0,
|
|
ERROR_FILE_EXISTS, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
reinterpret_cast<LPWSTR>(&message), 0, 0);
|
|
fmt::internal::UTF16ToUTF8 utf8_message(message);
|
|
LocalFree(message);
|
|
fmt::MemoryWriter actual_message;
|
|
fmt::internal::format_windows_error(
|
|
actual_message, ERROR_FILE_EXISTS, "test");
|
|
EXPECT_EQ(fmt::format("test: {}", utf8_message.str()),
|
|
actual_message.str());
|
|
actual_message.clear();
|
|
fmt::internal::format_windows_error(
|
|
actual_message, ERROR_FILE_EXISTS,
|
|
fmt::StringRef("x", std::numeric_limits<size_t>::max()));
|
|
EXPECT_EQ(fmt::format("error {}", ERROR_FILE_EXISTS), actual_message.str());
|
|
}
|
|
|
|
TEST(UtilTest, WindowsError) {
|
|
check_throw_error<fmt::WindowsError>(
|
|
ERROR_FILE_EXISTS, fmt::internal::format_windows_error);
|
|
}
|
|
|
|
TEST(UtilTest, ReportWindowsError) {
|
|
fmt::MemoryWriter out;
|
|
fmt::internal::format_windows_error(out, ERROR_FILE_EXISTS, "test error");
|
|
out << '\n';
|
|
EXPECT_WRITE(stderr,
|
|
fmt::report_windows_error(ERROR_FILE_EXISTS, "test error"), out.str());
|
|
}
|
|
|
|
#endif // _WIN32
|
|
|
|
TEST(UtilTest, IsConvertibleToInt) {
|
|
EXPECT_TRUE(fmt::internal::IsConvertibleToInt<char>::value);
|
|
EXPECT_FALSE(fmt::internal::IsConvertibleToInt<const char *>::value);
|
|
}
|
|
|
|
#if FMT_USE_ENUM_BASE
|
|
enum TestEnum : char {TestValue};
|
|
TEST(UtilTest, IsEnumConvertibleToInt) {
|
|
EXPECT_TRUE(fmt::internal::IsConvertibleToInt<TestEnum>::value);
|
|
}
|
|
#endif
|
|
|
|
template <typename T>
|
|
bool check_enable_if(
|
|
typename fmt::internal::EnableIf<sizeof(T) == sizeof(int), T>::type *) {
|
|
return true;
|
|
}
|
|
|
|
template <typename T>
|
|
bool check_enable_if(
|
|
typename fmt::internal::EnableIf<sizeof(T) != sizeof(int), T>::type *) {
|
|
return false;
|
|
}
|
|
|
|
TEST(UtilTest, EnableIf) {
|
|
int i = 0;
|
|
EXPECT_TRUE(check_enable_if<int>(&i));
|
|
char c = 0;
|
|
EXPECT_FALSE(check_enable_if<char>(&c));
|
|
}
|
|
|
|
TEST(UtilTest, Conditional) {
|
|
int i = 0;
|
|
fmt::internal::Conditional<true, int, char>::type *pi = &i;
|
|
(void)pi;
|
|
char c = 0;
|
|
fmt::internal::Conditional<false, int, char>::type *pc = &c;
|
|
(void)pc;
|
|
}
|