Add test
This commit is contained in:
Walter Gray
parent
fa43fd1444
commit
e05c8fcffe
@ -106,6 +106,10 @@ add_fmt_test(printf-test)
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add_fmt_test(ranges-test)
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add_fmt_test(scan-test)
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add_fmt_test(enforce-compiletime-test)
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target_compile_definitions(enforce-compiletime-test PRIVATE "-DFMT_ENFORCE_COMPILE_STRING")
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if (NOT DEFINED MSVC_STATIC_RUNTIME AND MSVC)
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foreach (flag_var
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CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
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709
test/enforce-compiletime-test.cc
Normal file
709
test/enforce-compiletime-test.cc
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@ -0,0 +1,709 @@
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// Formatting library for C++ - formatting library tests
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//
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// Copyright (c) 2012 - present, Victor Zverovich
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#include <list>
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#include <iterator>
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#include <string>
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#include <utility>
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#ifdef WIN32
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# define _CRT_SECURE_NO_WARNINGS
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#endif
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#include "fmt/format.h"
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#include "fmt/locale.h"
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#include "fmt/chrono.h"
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#include "fmt/color.h"
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#include "fmt/ostream.h"
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#undef index
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#include "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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#undef ERROR
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using fmt::basic_memory_buffer;
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using fmt::format;
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using fmt::format_error;
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using fmt::memory_buffer;
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using fmt::string_view;
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using fmt::wmemory_buffer;
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using fmt::wstring_view;
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using fmt::detail::max_value;
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using testing::Return;
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using testing::StrictMock;
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class Answer {};
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FMT_BEGIN_NAMESPACE
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template <> struct formatter<Answer> : formatter<int> {
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template <typename FormatContext>
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auto format(Answer, FormatContext& ctx) -> decltype(ctx.out()) {
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return formatter<int>::format(42, ctx);
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}
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};
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FMT_END_NAMESPACE
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struct string_like {};
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fmt::string_view to_string_view(string_like) { return "foo"; }
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constexpr char with_null[3] = {'{', '}', '\0'};
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constexpr char no_null[2] = {'{', '}'};
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static FMT_CONSTEXPR_DECL const char static_with_null[3] = {'{', '}', '\0'};
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static FMT_CONSTEXPR_DECL const wchar_t static_with_null_wide[3] = {'{', '}',
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'\0'};
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static FMT_CONSTEXPR_DECL const char static_no_null[2] = {'{', '}'};
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static FMT_CONSTEXPR_DECL const wchar_t static_no_null_wide[2] = {'{', '}'};
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TEST(FormatTest, CompileTimeString) {
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EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), 42));
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EXPECT_EQ(L"42", fmt::format(FMT_STRING(L"{}"), 42));
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EXPECT_EQ("foo", fmt::format(FMT_STRING("{}"), string_like()));
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(void)static_with_null;
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(void)static_with_null_wide;
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(void)static_no_null;
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(void)static_no_null_wide;
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#if !defined(_MSC_VER)
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EXPECT_EQ("42", fmt::format(FMT_STRING(static_with_null), 42));
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EXPECT_EQ(L"42", fmt::format(FMT_STRING(static_with_null_wide), 42));
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EXPECT_EQ("42", fmt::format(FMT_STRING(static_no_null), 42));
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EXPECT_EQ(L"42", fmt::format(FMT_STRING(static_no_null_wide), 42));
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#endif
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(void)with_null;
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(void)no_null;
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#if __cplusplus >= 201703L
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EXPECT_EQ("42", fmt::format(FMT_STRING(with_null), 42));
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EXPECT_EQ("42", fmt::format(FMT_STRING(no_null), 42));
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#endif
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#if defined(FMT_USE_STRING_VIEW) && __cplusplus >= 201703L
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EXPECT_EQ("42", fmt::format(FMT_STRING(std::string_view("{}")), 42));
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EXPECT_EQ(L"42", fmt::format(FMT_STRING(std::wstring_view(L"{}")), 42));
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#endif
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}
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TEST(FormatTest, CustomFormatCompileTimeString) {
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EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), Answer()));
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Answer answer;
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EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), answer));
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char buf[10] = {};
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fmt::format_to(buf, FMT_STRING("{}"), answer);
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const Answer const_answer = Answer();
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EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), const_answer));
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}
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#if FMT_USE_USER_DEFINED_LITERALS
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// Passing user-defined literals directly to EXPECT_EQ causes problems
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// with macro argument stringification (#) on some versions of GCC.
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// Workaround: Assing the UDL result to a variable before the macro.
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using namespace fmt::literals;
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TEST(LiteralsTest, Format) {
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auto udl_format = "{}c{}"_format("ab", 1);
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EXPECT_EQ("abc1", udl_format);
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auto udl_format_w = L"{}c{}"_format(L"ab", 1);
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EXPECT_EQ(L"abc1", udl_format_w);
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}
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#endif // FMT_USE_USER_DEFINED_LITERALS
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enum TestEnum { A };
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namespace adl_test {
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namespace fmt {
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namespace detail {
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struct foo {};
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template <typename, typename OutputIt> void write(OutputIt, foo) = delete;
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} // namespace detail
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} // namespace fmt
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} // namespace adl_test
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FMT_BEGIN_NAMESPACE
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template <>
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struct formatter<adl_test::fmt::detail::foo> : formatter<std::string> {
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template <typename FormatContext>
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auto format(adl_test::fmt::detail::foo, FormatContext& ctx)
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-> decltype(ctx.out()) {
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return formatter<std::string>::format("foo", ctx);
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}
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};
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FMT_END_NAMESPACE
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TEST(FormatTest, ToString) {
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EXPECT_EQ("42", fmt::to_string(42));
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EXPECT_EQ("0x1234", fmt::to_string(reinterpret_cast<void*>(0x1234)));
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EXPECT_EQ("foo", fmt::to_string(adl_test::fmt::detail::foo()));
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}
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//TEST(FormatTest, ToWString) { EXPECT_EQ(L"42", fmt::to_wstring(42)); }
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TEST(FormatTest, OutputIterators) {
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std::list<char> out;
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fmt::format_to(std::back_inserter(out), FMT_STRING("{}"), 42);
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EXPECT_EQ("42", std::string(out.begin(), out.end()));
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std::stringstream s;
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fmt::format_to(std::ostream_iterator<char>(s), FMT_STRING("{}"), 42);
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EXPECT_EQ("42", s.str());
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}
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TEST(FormatTest, FormattedSize) {
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//EXPECT_EQ(2u, fmt::formatted_size(FMT_STRING("{}"), 42));
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}
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TEST(FormatTest, FormatTo) {
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std::vector<char> v;
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fmt::format_to(std::back_inserter(v), FMT_STRING("{}"), "foo");
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EXPECT_EQ(fmt::string_view(v.data(), v.size()), "foo");
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}
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TEST(FormatTest, FormatToN) {
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char buffer[4];
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buffer[3] = 'x';
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auto result = fmt::format_to_n(buffer, 3, FMT_STRING("{}"), 12345);
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EXPECT_EQ(5u, result.size);
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EXPECT_EQ(buffer + 3, result.out);
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EXPECT_EQ("123x", fmt::string_view(buffer, 4));
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result = fmt::format_to_n(buffer, 3, FMT_STRING("{:s}"), "foobar");
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EXPECT_EQ(6u, result.size);
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EXPECT_EQ(buffer + 3, result.out);
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EXPECT_EQ("foox", fmt::string_view(buffer, 4));
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buffer[0] = 'x';
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buffer[1] = 'x';
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buffer[2] = 'x';
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result = fmt::format_to_n(buffer, 3, FMT_STRING("{}"), 'A');
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EXPECT_EQ(1u, result.size);
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EXPECT_EQ(buffer + 1, result.out);
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EXPECT_EQ("Axxx", fmt::string_view(buffer, 4));
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result = fmt::format_to_n(buffer, 3, FMT_STRING("{}{} "), 'B', 'C');
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EXPECT_EQ(3u, result.size);
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EXPECT_EQ(buffer + 3, result.out);
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EXPECT_EQ("BC x", fmt::string_view(buffer, 4));
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result = fmt::format_to_n(buffer, 4, FMT_STRING("{}"), "ABCDE");
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EXPECT_EQ(5u, result.size);
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EXPECT_EQ("ABCD", fmt::string_view(buffer, 4));
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buffer[3] = 'x';
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result = fmt::format_to_n(buffer, 3, FMT_STRING("{}"), std::string(1000, '*'));
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EXPECT_EQ(1000u, result.size);
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EXPECT_EQ("***x", fmt::string_view(buffer, 4));
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}
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TEST(FormatTest, WideFormatToN) {
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wchar_t buffer[4];
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buffer[3] = L'x';
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auto result = fmt::format_to_n(buffer, 3, FMT_STRING(L"{}"), 12345);
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EXPECT_EQ(5u, result.size);
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EXPECT_EQ(buffer + 3, result.out);
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EXPECT_EQ(L"123x", fmt::wstring_view(buffer, 4));
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buffer[0] = L'x';
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buffer[1] = L'x';
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buffer[2] = L'x';
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result = fmt::format_to_n(buffer, 3, FMT_STRING(L"{}"), L'A');
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EXPECT_EQ(1u, result.size);
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EXPECT_EQ(buffer + 1, result.out);
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EXPECT_EQ(L"Axxx", fmt::wstring_view(buffer, 4));
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result = fmt::format_to_n(buffer, 3, FMT_STRING(L"{}{} "), L'B', L'C');
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EXPECT_EQ(3u, result.size);
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EXPECT_EQ(buffer + 3, result.out);
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EXPECT_EQ(L"BC x", fmt::wstring_view(buffer, 4));
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}
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struct test_output_iterator {
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char* data;
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using iterator_category = std::output_iterator_tag;
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using value_type = void;
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using difference_type = void;
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using pointer = void;
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using reference = void;
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test_output_iterator& operator++() {
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++data;
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return *this;
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}
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test_output_iterator operator++(int) {
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auto tmp = *this;
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++data;
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return tmp;
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}
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char& operator*() { return *data; }
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};
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TEST(FormatTest, FormatToNOutputIterator) {
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char buf[10] = {};
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fmt::format_to_n(test_output_iterator{buf}, 10, FMT_STRING("{}"), 42);
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EXPECT_STREQ(buf, "42");
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}
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TEST(FormatTest, VFormatTo) {
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typedef fmt::format_context context;
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fmt::basic_format_arg<context> arg = fmt::detail::make_arg<context>(42);
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fmt::basic_format_args<context> args(&arg, 1);
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std::string s;
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fmt::vformat_to(std::back_inserter(s), FMT_STRING("{}"), args);
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EXPECT_EQ("42", s);
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typedef fmt::wformat_context wcontext;
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fmt::basic_format_arg<wcontext> warg = fmt::detail::make_arg<wcontext>(42);
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fmt::basic_format_args<wcontext> wargs(&warg, 1);
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std::wstring w;
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fmt::vformat_to(std::back_inserter(w), FMT_STRING(L"{}"), wargs);
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EXPECT_EQ(L"42", w);
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}
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template <typename T> static std::string FmtToString(const T& t) {
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return fmt::format(FMT_STRING("{}"), t);
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}
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TEST(FormatTest, FmtStringInTemplate) {
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EXPECT_EQ(FmtToString(1), "1");
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EXPECT_EQ(FmtToString(0), "0");
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}
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#include "fmt/chrono.h"
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#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
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/*
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TEST(ChronoTest, FormatDefault) {
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EXPECT_EQ("42s", fmt::format(FMT_STRING("{}"), std::chrono::seconds(42)));
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}
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TEST(ChronoTest, FormatWide) {
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EXPECT_EQ(L"42s", fmt::format(L"{}", std::chrono::seconds(42)));
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}
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typedef std::chrono::duration<double, std::milli> dms;
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TEST(ChronoTest, FormatDefaultFP) {
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EXPECT_EQ("1.234ms", fmt::format(FMT_STRING("{}"), dms(1.234)));
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}
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TEST(ChronoTest, FormatPrecision) {
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EXPECT_EQ("1.2ms", fmt::format(FMT_STRING("{:.1}"), dms(1.234)));
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EXPECT_EQ("1.23ms", fmt::format(FMT_STRING("{:.{}}"), dms(1.234), 2));
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}
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TEST(ChronoTest, FormatFullSpecs) {
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EXPECT_EQ("1.2ms ", fmt::format(FMT_STRING("{:6.1}"), dms(1.234)));
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EXPECT_EQ(" 1.2ms ", fmt::format(FMT_STRING("{:^{}.{}}"), dms(1.234), 7, 1));
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}
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TEST(ChronoTest, FormatSimpleQq) {
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typedef std::chrono::duration<float> fs;
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//EXPECT_EQ("1.234 s", fmt::format(FMT_STRING("{:%Q %q}"), fs(1.234)));
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typedef std::chrono::duration<float, std::milli> fms;
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EXPECT_EQ("1.234 ms", fmt::format(FMT_STRING("{:%Q %q}"), fms(1.234)));
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typedef std::chrono::duration<double> ds;
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EXPECT_EQ("1.234 s", fmt::format(FMT_STRING("{:%Q %q}"), ds(1.234)));
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EXPECT_EQ("1.234 ms", fmt::format(FMT_STRING("{:%Q %q}"), dms(1.234)));
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}
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TEST(ChronoTest, FormatPrecisionQq) {
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EXPECT_EQ("1.2 ms", fmt::format(FMT_STRING("{:.1%Q %q}"), dms(1.234)));
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EXPECT_EQ("1.23 ms", fmt::format(FMT_STRING("{:.{}%Q %q}"), dms(1.234), 2));
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}
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TEST(ChronoTest, FormatFullSpecsQq) {
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EXPECT_EQ("1.2 ms ", fmt::format(FMT_STRING("{:7.1%Q %q}"), dms(1.234)));
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EXPECT_EQ(" 1.2 ms ", fmt::format(FMT_STRING("{:^{}.{}%Q %q}"), dms(1.234), 8, 1));
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}
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TEST(ChronoTest, UnsignedDuration) {
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EXPECT_EQ("42s", fmt::format(FMT_STRING("{}"), std::chrono::duration<unsigned>(42)));
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}
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*/
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#endif // FMT_STATIC_THOUSANDS_SEPARATOR
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TEST(ColorsTest, ColorsPrint) {
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EXPECT_WRITE(stdout, fmt::print(fg(fmt::rgb(255, 20, 30)), FMT_STRING("rgb(255,20,30)")),
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"\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m");
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EXPECT_WRITE(
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stdout,
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fmt::print(fg(fmt::color::blue) | bg(fmt::color::red), FMT_STRING("two color")),
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"\x1b[38;2;000;000;255m\x1b[48;2;255;000;000mtwo color\x1b[0m");
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EXPECT_WRITE(stdout, fmt::print(fmt::emphasis::bold, FMT_STRING("bold")),
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"\x1b[1mbold\x1b[0m");
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EXPECT_WRITE(
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stdout,
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fmt::print(fg(fmt::color::blue) | fmt::emphasis::bold, FMT_STRING("blue/bold")),
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"\x1b[1m\x1b[38;2;000;000;255mblue/bold\x1b[0m");
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EXPECT_WRITE(stdout, fmt::print(fmt::text_style(), FMT_STRING("hi")), "hi");
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EXPECT_WRITE(stdout, fmt::print(fg(fmt::terminal_color::red), FMT_STRING("tred")),
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"\x1b[31mtred\x1b[0m");
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EXPECT_WRITE(stdout, fmt::print(bg(fmt::terminal_color::cyan), FMT_STRING("tcyan")),
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"\x1b[46mtcyan\x1b[0m");
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EXPECT_WRITE(stdout,
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fmt::print(bg(fmt::terminal_color::bright_magenta), FMT_STRING("tbmagenta")),
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"\x1b[105mtbmagenta\x1b[0m");
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}
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TEST(ColorsTest, Format) {
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EXPECT_EQ("\x1b[38;2;255;020;030mrgb(255,20,30)\x1b[0m", fmt::format(fg(fmt::rgb(255, 20, 30)), FMT_STRING("rgb(255,20,30)")));
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EXPECT_EQ("\x1b[38;2;000;000;255mblue\x1b[0m", fmt::format(fg(fmt::color::blue), FMT_STRING("blue")));
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EXPECT_EQ(
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"\x1b[38;2;000;000;255m\x1b[48;2;255;000;000mtwo color\x1b[0m",
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fmt::format(fg(fmt::color::blue) | bg(fmt::color::red), FMT_STRING("two color")));
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EXPECT_EQ("\x1b[1mbold\x1b[0m", fmt::format(fmt::emphasis::bold, FMT_STRING("bold")));
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EXPECT_EQ(
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"\x1b[1m\x1b[38;2;000;000;255mblue/bold\x1b[0m",
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fmt::format(fg(fmt::color::blue) | fmt::emphasis::bold, FMT_STRING("blue/bold")));
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EXPECT_EQ("hi", fmt::format(fmt::text_style(), FMT_STRING("hi")));
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EXPECT_EQ("\x1b[31mtred\x1b[0m",
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fmt::format(fg(fmt::terminal_color::red), FMT_STRING("tred")));
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EXPECT_EQ("\x1b[46mtcyan\x1b[0m",
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fmt::format(bg(fmt::terminal_color::cyan), FMT_STRING("tcyan")));
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EXPECT_EQ("\x1b[105mtbmagenta\x1b[0m",
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fmt::format(bg(fmt::terminal_color::bright_magenta), FMT_STRING("tbmagenta")));
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}
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TEST(ColorsTest, FormatToOutAcceptsTextStyle) {
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fmt::text_style ts = fg(fmt::rgb(255, 20, 30));
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std::string out;
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fmt::format_to(std::back_inserter(out), ts, FMT_STRING("rgb(255,20,30){}{}{}"), 1, 2, 3);
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EXPECT_EQ(fmt::to_string(out),
|
||||
"\x1b[38;2;255;020;030mrgb(255,20,30)123\x1b[0m");
|
||||
}
|
||||
|
||||
// Formatting library for C++ - std::ostream support tests
|
||||
//
|
||||
// Copyright (c) 2012 - present, Victor Zverovich
|
||||
// All rights reserved.
|
||||
//
|
||||
// For the license information refer to format.h.
|
||||
|
||||
#define FMT_STRING_ALIAS 1
|
||||
#include "fmt/format.h"
|
||||
|
||||
struct test {};
|
||||
|
||||
// Test that there is no issues with specializations when fmt/ostream.h is
|
||||
// included after fmt/format.h.
|
||||
namespace fmt {
|
||||
template <> struct formatter<test> : formatter<int> {
|
||||
template <typename FormatContext>
|
||||
typename FormatContext::iterator format(const test&, FormatContext& ctx) {
|
||||
return formatter<int>::format(42, ctx);
|
||||
}
|
||||
};
|
||||
} // namespace fmt
|
||||
|
||||
#include <sstream>
|
||||
|
||||
#include "fmt/ostream.h"
|
||||
|
||||
struct EmptyTest {};
|
||||
static std::ostream& operator<<(std::ostream& os, EmptyTest) {
|
||||
return os << "";
|
||||
}
|
||||
|
||||
TEST(OStreamTest, EmptyCustomOutput) {
|
||||
EXPECT_EQ("", fmt::format(FMT_STRING("{}"), EmptyTest()));
|
||||
}
|
||||
|
||||
TEST(OStreamTest, Print) {
|
||||
std::ostringstream os;
|
||||
fmt::print(os, FMT_STRING("Don't {}!"), "panic");
|
||||
EXPECT_EQ("Don't panic!", os.str());
|
||||
std::wostringstream wos;
|
||||
fmt::print(wos, FMT_STRING(L"Don't {}!"), L"panic");
|
||||
EXPECT_EQ(L"Don't panic!", wos.str());
|
||||
}
|
||||
|
||||
TEST(OStreamTest, Join) {
|
||||
int v[3] = {1, 2, 3};
|
||||
EXPECT_EQ("1, 2, 3", fmt::format(FMT_STRING("{}"), fmt::join(v, v + 3, ", ")));
|
||||
}
|
||||
|
||||
namespace fmt_test {
|
||||
struct ABC {};
|
||||
|
||||
template <typename Output> Output& operator<<(Output& out, ABC) {
|
||||
out << "ABC";
|
||||
return out;
|
||||
}
|
||||
} // namespace fmt_test
|
||||
|
||||
template <typename T> struct TestTemplate {};
|
||||
|
||||
template <typename T>
|
||||
std::ostream& operator<<(std::ostream& os, TestTemplate<T>) {
|
||||
return os << 1;
|
||||
}
|
||||
|
||||
namespace fmt {
|
||||
template <typename T> struct formatter<TestTemplate<T>> : formatter<int> {
|
||||
template <typename FormatContext>
|
||||
typename FormatContext::iterator format(TestTemplate<T>, FormatContext& ctx) {
|
||||
return formatter<int>::format(2, ctx);
|
||||
}
|
||||
};
|
||||
} // namespace fmt
|
||||
|
||||
#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 407
|
||||
TEST(OStreamTest, Template) {
|
||||
EXPECT_EQ("2", fmt::format(FMT_STRING("{}"), TestTemplate<int>()));
|
||||
}
|
||||
|
||||
TEST(OStreamTest, FormatToN) {
|
||||
char buffer[4];
|
||||
buffer[3] = 'x';
|
||||
auto result = fmt::format_to_n(buffer, 3, FMT_STRING("{}"), fmt_test::ABC());
|
||||
EXPECT_EQ(3u, result.size);
|
||||
EXPECT_EQ(buffer + 3, result.out);
|
||||
EXPECT_EQ("ABCx", fmt::string_view(buffer, 4));
|
||||
}
|
||||
#endif
|
||||
|
||||
TEST(OStreamTest, CompileTimeString) {
|
||||
EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), 42));
|
||||
}
|
||||
|
||||
TEST(OStreamTest, ToString) {
|
||||
EXPECT_EQ("ABC", fmt::to_string(fmt_test::ABC()));
|
||||
}
|
||||
|
||||
|
||||
#include "fmt/ranges.h"
|
||||
|
||||
// Check if 'if constexpr' is supported.
|
||||
#if (__cplusplus > 201402L) || \
|
||||
(defined(_MSVC_LANG) && _MSVC_LANG > 201402L && _MSC_VER >= 1910)
|
||||
|
||||
# include <array>
|
||||
# include <map>
|
||||
# include <string>
|
||||
# include <vector>
|
||||
|
||||
TEST(RangesTest, FormatArray) {
|
||||
int32_t ia[] = {1, 2, 3, 5, 7, 11};
|
||||
auto iaf = fmt::format(FMT_STRING("{}"), ia);
|
||||
EXPECT_EQ("{1, 2, 3, 5, 7, 11}", iaf);
|
||||
}
|
||||
|
||||
TEST(RangesTest, Format2dArray) {
|
||||
int32_t ia[][2] = {{1, 2}, {3, 5}, {7, 11}};
|
||||
auto iaf = fmt::format(FMT_STRING("{}"), ia);
|
||||
EXPECT_EQ("{{1, 2}, {3, 5}, {7, 11}}", iaf);
|
||||
}
|
||||
|
||||
TEST(RangesTest, FormatVector) {
|
||||
std::vector<int32_t> iv{1, 2, 3, 5, 7, 11};
|
||||
auto ivf = fmt::format(FMT_STRING("{}"), iv);
|
||||
EXPECT_EQ("{1, 2, 3, 5, 7, 11}", ivf);
|
||||
}
|
||||
|
||||
TEST(RangesTest, FormatVector2) {
|
||||
std::vector<std::vector<int32_t>> ivv{{1, 2}, {3, 5}, {7, 11}};
|
||||
auto ivf = fmt::format(FMT_STRING("{}"), ivv);
|
||||
EXPECT_EQ("{{1, 2}, {3, 5}, {7, 11}}", ivf);
|
||||
}
|
||||
|
||||
TEST(RangesTest, FormatMap) {
|
||||
std::map<std::string, int32_t> simap{{"one", 1}, {"two", 2}};
|
||||
EXPECT_EQ("{(\"one\", 1), (\"two\", 2)}", fmt::format(FMT_STRING("{}"), simap));
|
||||
}
|
||||
|
||||
TEST(RangesTest, FormatPair) {
|
||||
std::pair<int64_t, float> pa1{42, 1.5f};
|
||||
EXPECT_EQ("(42, 1.5)", fmt::format(FMT_STRING("{}"), pa1));
|
||||
}
|
||||
|
||||
TEST(RangesTest, FormatTuple) {
|
||||
std::tuple<int64_t, float, std::string, char> t{42, 1.5f, "this is tuple",
|
||||
'i'};
|
||||
EXPECT_EQ("(42, 1.5, \"this is tuple\", 'i')", fmt::format(FMT_STRING("{}"), t));
|
||||
EXPECT_EQ("()", fmt::format(FMT_STRING("{}"), std::tuple<>()));
|
||||
}
|
||||
|
||||
TEST(RangesTest, JoinTuple) {
|
||||
// Value tuple args
|
||||
std::tuple<char, int, float> t1 = std::make_tuple('a', 1, 2.0f);
|
||||
EXPECT_EQ("(a, 1, 2)", fmt::format(FMT_STRING("({})"), fmt::join(t1, ", ")));
|
||||
|
||||
// Testing lvalue tuple args
|
||||
int x = 4;
|
||||
std::tuple<char, int&> t2{'b', x};
|
||||
EXPECT_EQ("b + 4", fmt::format(FMT_STRING("{}"), fmt::join(t2, " + ")));
|
||||
|
||||
// Empty tuple
|
||||
std::tuple<> t3;
|
||||
EXPECT_EQ("", fmt::format(FMT_STRING("{}"), fmt::join(t3, "|")));
|
||||
|
||||
// Single element tuple
|
||||
std::tuple<float> t4{4.0f};
|
||||
EXPECT_EQ("4", fmt::format(FMT_STRING("{}"), fmt::join(t4, "/")));
|
||||
}
|
||||
|
||||
TEST(RangesTest, JoinInitializerList) {
|
||||
EXPECT_EQ("1, 2, 3", fmt::format(FMT_STRING("{}"), fmt::join({1, 2, 3}, ", ")));
|
||||
EXPECT_EQ("fmt rocks !",
|
||||
fmt::format(FMT_STRING("{}"), fmt::join({"fmt", "rocks", "!"}, " ")));
|
||||
}
|
||||
|
||||
struct my_struct {
|
||||
int32_t i;
|
||||
std::string str; // can throw
|
||||
template <size_t N> decltype(auto) get() const noexcept {
|
||||
if constexpr (N == 0)
|
||||
return i;
|
||||
else if constexpr (N == 1)
|
||||
return fmt::string_view{str};
|
||||
}
|
||||
};
|
||||
|
||||
template <size_t N> decltype(auto) get(const my_struct& s) noexcept {
|
||||
return s.get<N>();
|
||||
}
|
||||
|
||||
namespace std {
|
||||
|
||||
template <> struct tuple_size<my_struct> : std::integral_constant<size_t, 2> {};
|
||||
|
||||
template <size_t N> struct tuple_element<N, my_struct> {
|
||||
using type = decltype(std::declval<my_struct>().get<N>());
|
||||
};
|
||||
|
||||
} // namespace std
|
||||
|
||||
TEST(RangesTest, FormatStruct) {
|
||||
my_struct mst{13, "my struct"};
|
||||
EXPECT_EQ("(13, \"my struct\")", fmt::format(FMT_STRING("{}"), mst));
|
||||
}
|
||||
|
||||
TEST(RangesTest, FormatTo) {
|
||||
char buf[10];
|
||||
auto end = fmt::format_to(buf, FMT_STRING("{}"), std::vector{1, 2, 3});
|
||||
*end = '\0';
|
||||
EXPECT_STREQ(buf, "{1, 2, 3}");
|
||||
}
|
||||
|
||||
struct path_like {
|
||||
const path_like* begin() const;
|
||||
const path_like* end() const;
|
||||
|
||||
operator std::string() const;
|
||||
};
|
||||
|
||||
TEST(RangesTest, PathLike) {
|
||||
EXPECT_FALSE((fmt::is_range<path_like, char>::value));
|
||||
}
|
||||
|
||||
#endif // (__cplusplus > 201402L) || (defined(_MSVC_LANG) && _MSVC_LANG >
|
||||
// 201402L && _MSC_VER >= 1910)
|
||||
|
||||
#ifdef FMT_USE_STRING_VIEW
|
||||
struct string_like {
|
||||
const char* begin();
|
||||
const char* end();
|
||||
explicit operator fmt::string_view() const { return "foo"; }
|
||||
explicit operator std::string_view() const { return "foo"; }
|
||||
};
|
||||
|
||||
TEST(RangesTest, FormatStringLike) {
|
||||
EXPECT_EQ("foo", fmt::format(FMT_STRING("{}"), string_like()));
|
||||
}
|
||||
#endif // FMT_USE_STRING_VIEW
|
||||
|
||||
struct zstring_sentinel {};
|
||||
|
||||
bool operator==(const char* p, zstring_sentinel) { return *p == '\0'; }
|
||||
bool operator!=(const char* p, zstring_sentinel) { return *p != '\0'; }
|
||||
|
||||
struct zstring {
|
||||
const char* p;
|
||||
const char* begin() const { return p; }
|
||||
zstring_sentinel end() const { return {}; }
|
||||
};
|
||||
|
||||
// TODO: Fix using zstrings with FMT_STRING
|
||||
TEST(RangesTest, JoinSentinel) {
|
||||
zstring hello{"hello"};
|
||||
//EXPECT_EQ("{'h', 'e', 'l', 'l', 'o'}", fmt::format(FMT_STRING("{}"), hello));
|
||||
//EXPECT_EQ("h_e_l_l_o", fmt::format(FMT_STRING("{}"), fmt::join(hello, "_")));
|
||||
}
|
||||
|
||||
// A range that provides non-const only begin()/end() to test fmt::join handles
|
||||
// that
|
||||
//
|
||||
// Some ranges (eg those produced by range-v3's views::filter()) can cache
|
||||
// information during iteration so they only provide non-const begin()/end().
|
||||
template <typename T> class non_const_only_range {
|
||||
private:
|
||||
std::vector<T> vec;
|
||||
|
||||
public:
|
||||
using const_iterator = typename ::std::vector<T>::const_iterator;
|
||||
|
||||
template <typename... Args>
|
||||
explicit non_const_only_range(Args&&... args)
|
||||
: vec(::std::forward<Args>(args)...) {}
|
||||
|
||||
const_iterator begin() { return vec.begin(); }
|
||||
const_iterator end() { return vec.end(); }
|
||||
};
|
||||
|
||||
template <typename T> class noncopyable_range {
|
||||
private:
|
||||
std::vector<T> vec;
|
||||
|
||||
public:
|
||||
using const_iterator = typename ::std::vector<T>::const_iterator;
|
||||
|
||||
template <typename... Args>
|
||||
explicit noncopyable_range(Args&&... args)
|
||||
: vec(::std::forward<Args>(args)...) {}
|
||||
|
||||
noncopyable_range(noncopyable_range const&) = delete;
|
||||
noncopyable_range(noncopyable_range&) = delete;
|
||||
|
||||
const_iterator begin() const { return vec.begin(); }
|
||||
const_iterator end() const { return vec.end(); }
|
||||
};
|
||||
|
||||
//TODO: Fixme
|
||||
TEST(RangesTest, Range) {
|
||||
noncopyable_range<int> w(3u, 0);
|
||||
/*EXPECT_EQ("{0, 0, 0}", fmt::format(FMT_STRING("{}"), w));
|
||||
EXPECT_EQ("{0, 0, 0}", fmt::format(FMT_STRING("{}"), noncopyable_range<int>(3u, 0)));
|
||||
|
||||
non_const_only_range<int> x(3u, 0);
|
||||
EXPECT_EQ("{0, 0, 0}", fmt::format(FMT_STRING("{}"), x));
|
||||
EXPECT_EQ("{0, 0, 0}", fmt::format(FMT_STRING("{}"), non_const_only_range<int>(3u, 0)));
|
||||
|
||||
std::vector<int> y(3u, 0);
|
||||
EXPECT_EQ("{0, 0, 0}", fmt::format(FMT_STRING("{}"), y));
|
||||
EXPECT_EQ("{0, 0, 0}", fmt::format(FMT_STRING("{}"), std::vector<int>(3u, 0)));
|
||||
|
||||
const std::vector<int> z(3u, 0);
|
||||
EXPECT_EQ("{0, 0, 0}", fmt::format(FMT_STRING("{}"), z));*/
|
||||
}
|
||||
|
||||
#if !FMT_MSC_VER || FMT_MSC_VER >= 1927
|
||||
struct unformattable {};
|
||||
|
||||
TEST(RangesTest, UnformattableRange) {
|
||||
EXPECT_FALSE((fmt::has_formatter<std::vector<unformattable>,
|
||||
fmt::format_context>::value));
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user