fmt/test/container-test.cc
2017-01-05 20:44:35 -08:00

95 lines
2.5 KiB
C++

/*
Tests of container utilities
Copyright (c) 2012 - 2016, Victor Zverovich
All rights reserved.
For the license information refer to format.h.
*/
#include "fmt/container.h"
#include "gtest/gtest.h"
using fmt::internal::ContainerBuffer;
TEST(ContainerBufferTest, Empty) {
std::string data;
ContainerBuffer<std::string> buffer(data);
EXPECT_EQ(0u, buffer.size());
EXPECT_EQ(0u, buffer.capacity());
}
TEST(ContainerBufferTest, Reserve) {
std::string data;
ContainerBuffer<std::string> buffer(data);
std::size_t capacity = std::string().capacity() + 10;
buffer.reserve(capacity);
EXPECT_EQ(0u, buffer.size());
EXPECT_EQ(capacity, buffer.capacity());
}
TEST(ContainerBufferTest, Resize) {
std::string data;
ContainerBuffer<std::string> buffer(data);
std::size_t size = std::string().capacity() + 10;
buffer.resize(size);
EXPECT_EQ(size, buffer.size());
EXPECT_EQ(size, buffer.capacity());
}
TEST(ContainerBufferTest, Append) {
std::string data("Why so");
const std::string serious(" serious");
ContainerBuffer<std::string> buffer(data);
buffer.append(serious.c_str(), serious.c_str() + serious.length());
EXPECT_EQ("Why so serious", data);
EXPECT_EQ(data.length(), buffer.size());
}
TEST(BasicContainerWriterTest, String) {
std::string data;
fmt::BasicContainerWriter<std::string> out(data);
out << "The answer is " << 42 << "\n";
EXPECT_EQ("The answer is 42\n", data);
EXPECT_EQ(17u, out.size());
}
TEST(BasicContainerWriterTest, WString) {
std::wstring data;
fmt::BasicContainerWriter<std::wstring> out(data);
out << "The answer is " << 42 << "\n";
EXPECT_EQ(L"The answer is 42\n", data);
EXPECT_EQ(17u, out.size());
}
TEST(BasicContainerWriterTest, Vector) {
std::vector<char> data;
fmt::BasicContainerWriter<std::vector<char> > out(data);
out << "The answer is " << 42 << "\n";
EXPECT_EQ(17u, data.size());
EXPECT_EQ(out.size(), data.size());
}
TEST(BasicContainerWriterTest, StringAppend) {
std::string data("The");
fmt::BasicContainerWriter<std::string> out(data);
EXPECT_EQ(3u, data.size());
EXPECT_EQ(3u, out.size());
out << " answer is " << 42 << "\n";
EXPECT_EQ("The answer is 42\n", data);
EXPECT_EQ(17u, out.size());
}
TEST(BasicContainerWriterTest, VectorAppend) {
std::vector<char> data;
data.push_back('T');
data.push_back('h');
data.push_back('e');
fmt::BasicContainerWriter<std::vector<char> > out(data);
EXPECT_EQ(3u, data.size());
EXPECT_EQ(3u, out.size());
out << " answer is " << 42 << "\n";
EXPECT_EQ(17u, data.size());
EXPECT_EQ(17u, out.size());
}