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01f34d0b0b
Since C++17, using template specialization 'std::allocator<void>' in any shape or form (even just mentioning it) is deprecated! A simple workaround is replacing 'void' by another (preferably empty) type, e.g. 'fmt::monostate'. Found by Clang 9 in Visual Studio.
643 lines
22 KiB
C++
643 lines
22 KiB
C++
// 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 prepare.h.
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#include <stdint.h>
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#include <cctype>
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#include <cfloat>
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#include <climits>
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#include <cmath>
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#include <cstring>
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#include <deque>
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#include <list>
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#include <memory>
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#include <string>
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// Check if fmt/prepare.h compiles with windows.h included before it.
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#ifdef _WIN32
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# include <windows.h>
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#endif
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#include "fmt/prepare.h"
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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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#undef min
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#undef max
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using testing::Return;
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using testing::StrictMock;
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class mock_parts_collector {
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public:
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MOCK_METHOD1(add, void(fmt::format_part<char>));
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MOCK_METHOD1(substitute_last, void(fmt::format_part<char>));
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MOCK_METHOD0(last, fmt::format_part<char>());
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};
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FMT_BEGIN_NAMESPACE
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bool operator==(const internal::string_view_metadata& lhs,
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const internal::string_view_metadata& rhs) {
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return std::tie(lhs.offset_, lhs.size_) == std::tie(rhs.offset_, rhs.size_);
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}
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bool operator!=(const internal::string_view_metadata& lhs,
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const internal::string_view_metadata& rhs) {
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return !(lhs == rhs);
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}
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bool operator==(const format_part<char>::specification& lhs,
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const format_part<char>::specification& rhs) {
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if (lhs.arg_id.which != rhs.arg_id.which) {
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return false;
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}
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typedef format_part<char>::argument_id::which_arg_id which_arg_id;
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switch (lhs.arg_id.which) {
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case which_arg_id::index: {
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if (lhs.arg_id.val.index != rhs.arg_id.val.index) {
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return false;
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}
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} break;
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case which_arg_id::named_index: {
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if (lhs.arg_id.val.named_index != rhs.arg_id.val.named_index) {
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return false;
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}
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} break;
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}
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return std::tie(lhs.parsed_specs.width_, lhs.parsed_specs.fill_,
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lhs.parsed_specs.align_, lhs.parsed_specs.precision,
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lhs.parsed_specs.flags, lhs.parsed_specs.type) ==
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std::tie(rhs.parsed_specs.width_, rhs.parsed_specs.fill_,
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rhs.parsed_specs.align_, rhs.parsed_specs.precision,
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rhs.parsed_specs.flags, rhs.parsed_specs.type);
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}
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bool operator!=(const format_part<char>::specification& lhs,
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const format_part<char>::specification& rhs) {
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return !(lhs == rhs);
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}
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bool operator==(const format_part<char>& lhs,
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const fmt::format_part<char>& rhs) {
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typedef format_part<char>::which_value which_value;
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if (lhs.which != rhs.which ||
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lhs.end_of_argument_id != rhs.end_of_argument_id) {
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return false;
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}
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switch (lhs.which) {
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case which_value::argument_id: {
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return lhs.val.arg_id == rhs.val.arg_id;
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}
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case which_value::named_argument_id: {
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return lhs.val.named_arg_id == rhs.val.named_arg_id;
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}
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case which_value::text: {
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return lhs.val.text == rhs.val.text;
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}
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case which_value::specification: {
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return lhs.val.spec == rhs.val.spec;
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}
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}
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return false;
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}
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bool operator!=(const fmt::format_part<char>& lhs,
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const fmt::format_part<char>& rhs) {
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return !(lhs == rhs);
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}
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FMT_END_NAMESPACE
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TEST(PrepareTest, FormatPart_ComparisonOperators) {
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typedef fmt::format_part<char> format_part;
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typedef fmt::internal::dynamic_format_specs<char> prepared_specs;
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{
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const auto part = format_part(0u);
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const auto other = format_part(0u);
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EXPECT_EQ(part, other);
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}
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{
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const auto lhs = format_part(0u);
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const auto rhs = format_part(1u);
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EXPECT_NE(lhs, rhs);
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}
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{
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const auto lhs = format_part(fmt::internal::string_view_metadata(0, 42));
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const auto rhs = format_part(fmt::internal::string_view_metadata(0, 42));
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EXPECT_EQ(lhs, rhs);
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}
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{
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const auto lhs = format_part(fmt::internal::string_view_metadata(0, 42));
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const auto rhs = format_part(fmt::internal::string_view_metadata(0, 4422));
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EXPECT_NE(lhs, rhs);
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}
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{
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auto lhs = format_part(0u);
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auto rhs = format_part(fmt::internal::string_view_metadata(0, 42));
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EXPECT_NE(lhs, rhs);
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rhs = format_part(fmt::internal::string_view_metadata(0, 0));
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EXPECT_NE(lhs, rhs);
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}
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{
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auto lhs = format_part(0u);
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lhs.end_of_argument_id = 42;
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auto rhs = format_part(0u);
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rhs.end_of_argument_id = 42;
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EXPECT_EQ(lhs, rhs);
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rhs.end_of_argument_id = 13;
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EXPECT_NE(lhs, rhs);
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}
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{
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const auto specs_argument_id = 0u;
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const auto specs_named_argument_id =
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fmt::internal::string_view_metadata(0, 42);
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auto specs = format_part::specification(0u);
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auto lhs = format_part(specs);
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auto rhs = format_part(specs);
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EXPECT_EQ(lhs, rhs);
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specs.parsed_specs = prepared_specs();
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lhs = format_part(specs);
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rhs = format_part(specs);
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EXPECT_EQ(lhs, rhs);
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specs = format_part::specification(specs_named_argument_id);
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lhs = format_part(specs);
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rhs = format_part(specs);
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EXPECT_EQ(lhs, rhs);
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specs.parsed_specs = prepared_specs();
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lhs = format_part(specs);
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rhs = format_part(specs);
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EXPECT_EQ(lhs, rhs);
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auto lhs_spec = format_part::specification(specs_argument_id);
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auto rhs_spec = format_part::specification(specs_named_argument_id);
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lhs = format_part(lhs_spec);
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rhs = format_part(rhs_spec);
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EXPECT_NE(lhs, rhs);
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lhs_spec = format_part::specification(specs_argument_id);
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rhs_spec = format_part::specification(specs_argument_id);
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lhs_spec.parsed_specs.precision = 1;
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rhs_spec.parsed_specs.precision = 2;
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lhs = format_part(lhs_spec);
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rhs = format_part(rhs_spec);
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EXPECT_NE(lhs, rhs);
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}
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{
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const auto specs_argument_id = 0u;
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const auto specs_named_argument_id =
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fmt::internal::string_view_metadata(0, 42);
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auto specs = format_part::specification(specs_argument_id);
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auto lhs = format_part(specs);
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auto rhs = format_part(0u);
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auto rhs2 = format_part(fmt::internal::string_view_metadata(0, 42));
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EXPECT_NE(lhs, rhs);
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EXPECT_NE(lhs, rhs2);
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specs.parsed_specs = prepared_specs();
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lhs = format_part{specs};
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EXPECT_NE(lhs, rhs);
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EXPECT_NE(lhs, rhs2);
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specs = format_part::specification(specs_named_argument_id);
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EXPECT_NE(lhs, rhs);
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EXPECT_NE(lhs, rhs2);
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specs.parsed_specs = prepared_specs();
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lhs = format_part(specs);
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EXPECT_NE(lhs, rhs);
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EXPECT_NE(lhs, rhs2);
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}
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}
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TEST(PrepareTest, FormatPreparationHandler_OnText_AddsPartWithText) {
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typedef fmt::format_part<char> format_part;
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typedef StrictMock<mock_parts_collector> parts_mock;
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parts_mock parts;
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const auto format = fmt::internal::to_string_view("text");
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fmt::internal::format_preparation_handler<char, parts_mock> handler(format,
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parts);
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const auto expected_text = fmt::internal::string_view_metadata(
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0u, static_cast<unsigned>(format.size()));
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EXPECT_CALL(parts, add(format_part(expected_text)));
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handler.on_text(format.begin(), format.end());
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}
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TEST(PrepareTest, FormatPreparationHandler_OnArgId_AddsPartWithIncrementedId) {
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typedef fmt::format_part<char> format_part;
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typedef StrictMock<mock_parts_collector> parts_mock;
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parts_mock parts;
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const auto format = fmt::internal::to_string_view("");
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fmt::internal::format_preparation_handler<char, parts_mock> handler(format,
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parts);
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const auto expected_first_arg_id = 0u;
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const auto expected_second_arg_id = 1u;
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EXPECT_CALL(parts, add(format_part(expected_first_arg_id)));
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EXPECT_CALL(parts, add(format_part(expected_second_arg_id)));
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handler.on_arg_id();
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handler.on_arg_id();
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}
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TEST(PrepareTest, FormatPreparationHandler_OnArgId_AddsPartWithPassedId) {
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typedef fmt::format_part<char> format_part;
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typedef StrictMock<mock_parts_collector> parts_mock;
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parts_mock parts;
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const auto format = fmt::internal::to_string_view("");
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fmt::internal::format_preparation_handler<char, parts_mock> handler(format,
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parts);
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const auto expected_first_arg_id = 2u;
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const auto expected_second_arg_id = 0u;
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const auto expected_third_arg_id = 1u;
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EXPECT_CALL(parts, add(format_part(expected_first_arg_id)));
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EXPECT_CALL(parts, add(format_part(expected_second_arg_id)));
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EXPECT_CALL(parts, add(format_part(expected_third_arg_id)));
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handler.on_arg_id(expected_first_arg_id);
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handler.on_arg_id(expected_second_arg_id);
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handler.on_arg_id(expected_third_arg_id);
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}
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TEST(PrepareTest, FormatPreparationHandler_OnArgId_AddsPartWithPassedNamedId) {
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typedef fmt::format_part<char> format_part;
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typedef format_part::named_argument_id named_argument_id;
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typedef StrictMock<mock_parts_collector> parts_mock;
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parts_mock parts;
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const auto format = fmt::internal::to_string_view("0123456789");
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fmt::internal::format_preparation_handler<char, parts_mock> handler(format,
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parts);
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const auto expected_first_arg_id = fmt::string_view(format.data(), 1);
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const auto expected_first_arg_view_metadata =
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fmt::internal::string_view_metadata(0, 1);
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const auto expected_second_arg_id = fmt::string_view(format.data() + 3, 2);
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const auto expected_second_arg_view_metadata =
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fmt::internal::string_view_metadata(3, 2);
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const auto expected_third_arg_id = fmt::string_view(format.data() + 6, 3);
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const auto expected_third_arg_view_metadata =
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fmt::internal::string_view_metadata(6, 3);
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EXPECT_CALL(
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parts,
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add(format_part(named_argument_id(expected_first_arg_view_metadata))));
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EXPECT_CALL(
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parts,
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add(format_part(named_argument_id(expected_second_arg_view_metadata))));
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EXPECT_CALL(
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parts,
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add(format_part(named_argument_id(expected_third_arg_view_metadata))));
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handler.on_arg_id(expected_first_arg_id);
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handler.on_arg_id(expected_second_arg_id);
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handler.on_arg_id(expected_third_arg_id);
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}
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TEST(PrepareTest,
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FormatPreparationHandler_OnReplacementField_SetsEndOfArgumentId) {
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typedef fmt::format_part<char> format_part;
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typedef StrictMock<mock_parts_collector> parts_mock;
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const auto format = fmt::internal::to_string_view("{:<}");
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parts_mock parts;
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const auto last_part = format_part(0u);
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EXPECT_CALL(parts, last()).WillOnce(Return(last_part));
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auto expected_substitution_part = last_part;
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expected_substitution_part.end_of_argument_id = 1;
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EXPECT_CALL(parts, substitute_last(expected_substitution_part));
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fmt::internal::format_preparation_handler<char, parts_mock> handler(format,
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parts);
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handler.on_replacement_field(format.data() + 1);
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}
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TEST(
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PrepareTest,
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FormatPreparationHandlerLastPartArgIndex_OnFormatSpecs_UpdatesLastAddedPart) {
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typedef fmt::format_part<char> format_part;
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typedef StrictMock<mock_parts_collector> parts_mock;
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parts_mock parts;
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const auto specification_test_text = fmt::internal::to_string_view("{:<10}");
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const auto specification_offset = 2u;
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const auto specification_begin_it =
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specification_test_text.begin() + specification_offset;
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fmt::internal::format_preparation_handler<char, parts_mock> handler(
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specification_test_text, parts);
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const auto last_part = format_part(0u);
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format_part::specification expected_specification(0u);
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fmt::internal::dynamic_format_specs<char> specs{};
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specs.align_ = fmt::alignment::ALIGN_LEFT;
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specs.width_ = 10;
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expected_specification.parsed_specs = specs;
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auto expected_substitution_part = format_part(expected_specification);
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expected_substitution_part.end_of_argument_id = specification_offset;
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EXPECT_CALL(parts, last()).WillOnce(Return(last_part));
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EXPECT_CALL(parts, substitute_last(expected_substitution_part));
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handler.on_format_specs(specification_begin_it,
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specification_test_text.end());
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}
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TEST(
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PrepareTest,
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FormatPreparationHandlerLastPartNamedArgIndex_OnFormatSpecs_UpdatesLastAddedPart) {
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typedef fmt::format_part<char> format_part;
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typedef StrictMock<mock_parts_collector> parts_mock;
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parts_mock parts;
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const auto specification_test_text = fmt::internal::to_string_view("{:<10}");
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const auto specification_offset = 2u;
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const auto specification_begin_it =
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specification_test_text.begin() + specification_offset;
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fmt::internal::format_preparation_handler<char, parts_mock> handler(
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specification_test_text, parts);
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const auto arg_id = fmt::internal::string_view_metadata(0, 42);
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const auto last_part = format_part(format_part::named_argument_id(arg_id));
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format_part::specification expected_specification(arg_id);
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fmt::internal::dynamic_format_specs<char> specs{};
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specs.align_ = fmt::alignment::ALIGN_LEFT;
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specs.width_ = 10;
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expected_specification.parsed_specs = specs;
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auto expected_substitution_part = format_part(expected_specification);
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expected_substitution_part.end_of_argument_id = specification_offset;
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EXPECT_CALL(parts, last()).WillOnce(Return(last_part));
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EXPECT_CALL(parts, substitute_last(expected_substitution_part));
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handler.on_format_specs(specification_begin_it,
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specification_test_text.end());
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}
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// compiletime_prepared_parts_type_provider is useful only with relaxed
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// constexpr.
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#if FMT_USE_CONSTEXPR
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template <unsigned EXPECTED_PARTS_COUNT, typename Format>
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void check_prepared_parts_type(Format format) {
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typedef fmt::internal::compiletime_prepared_parts_type_provider<decltype(
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format)>
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provider;
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typedef typename provider::template format_parts_array<EXPECTED_PARTS_COUNT>
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expected_parts_type;
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static_assert(
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std::is_same<typename provider::type, expected_parts_type>::value,
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"CompileTimePreparedPartsTypeProvider test failed");
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}
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TEST(PrepareTest, CompileTimePreparedPartsTypeProvider) {
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check_prepared_parts_type<1u>(FMT_STRING("text"));
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check_prepared_parts_type<1u>(FMT_STRING("{}"));
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check_prepared_parts_type<2u>(FMT_STRING("text{}"));
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check_prepared_parts_type<2u>(FMT_STRING("{}text"));
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check_prepared_parts_type<3u>(FMT_STRING("text{}text"));
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check_prepared_parts_type<3u>(FMT_STRING("{:{}.{}} {:{}}"));
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check_prepared_parts_type<3u>(FMT_STRING("{{{}}}")); // '{', 'argument', '}'
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check_prepared_parts_type<2u>(FMT_STRING("text{{")); // 'text', '{'
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check_prepared_parts_type<3u>(FMT_STRING("text{{ ")); // 'text', '{', ' '
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check_prepared_parts_type<2u>(FMT_STRING("}}text")); // '}', text
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check_prepared_parts_type<2u>(FMT_STRING("text}}text")); // 'text}', 'text'
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check_prepared_parts_type<4u>(
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FMT_STRING("text{{}}text")); // 'text', '{', '}', 'text'
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}
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#endif
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// Use the struct instead of a function to workaround GCC 4.4's 'sorry,
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// unimplemented: mangling template_id_expr' issue.
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template <typename... Args> struct copied_prepared_format_creator {
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static decltype(fmt::prepare<Args...>(fmt::internal::declval<std::string>()))
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make(std::string format_str) {
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auto prepared_format = fmt::prepare<Args...>(std::move(format_str));
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auto copied_prepared_format = prepared_format;
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prepared_format = fmt::prepare<Args...>("");
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return copied_prepared_format;
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}
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};
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TEST(PrepareTest, CopyPreparedFormat_InternalStringViewsAreNotInvalidated) {
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auto prepared = copied_prepared_format_creator<int, std::string>::make(
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"before {} middle {} after");
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EXPECT_EQ("before 42 middle text after", prepared.format(42, "text"));
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prepared = copied_prepared_format_creator<int, std::string>::make(
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"before {0} middle {1} after");
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EXPECT_EQ("before 42 middle text after", prepared.format(42, "text"));
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{
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typedef decltype(fmt::arg("first", 42)) argument0;
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typedef decltype(fmt::arg("second", "text")) argument1;
|
|
auto named_prepared =
|
|
copied_prepared_format_creator<argument0, argument1>::make(
|
|
"before {first} middle {second} after");
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EXPECT_EQ("before 42 middle text after",
|
|
named_prepared.format(fmt::arg("first", 42),
|
|
fmt::arg("second", "text")));
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|
}
|
|
{
|
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typedef decltype(fmt::arg("value", "12345")) argument0;
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typedef decltype(fmt::arg("width", 10)) argument1;
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|
auto named_prepared =
|
|
copied_prepared_format_creator<argument0, argument1>::make(
|
|
">>>{value:>{width}}<<<");
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|
EXPECT_EQ(">>> 12345<<<",
|
|
named_prepared.format(fmt::arg("value", "12345"),
|
|
fmt::arg("width", 10)));
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|
}
|
|
}
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|
|
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TEST(PepareTest, ReusedPreparedFormatType) {
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typedef fmt::prepared_format<std::string, int>::type prepared_format;
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|
|
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prepared_format prepared = fmt::prepare<prepared_format>("The {} is {}.");
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EXPECT_EQ("The answer is 42.", prepared.format("answer", 42));
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|
prepared = fmt::prepare<prepared_format>("40 {} 2 = {}");
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|
EXPECT_EQ("40 + 2 = 42", prepared.format("+", 42));
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|
}
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|
|
|
TEST(PrepareTest, UserProvidedPartsContainerUnderlyingContainer) {
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|
typedef fmt::format_part<char> format_part;
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|
typedef fmt::parts_container<char, std::list<format_part>>::type
|
|
parts_container;
|
|
typedef fmt::basic_prepared_format<std::string, parts_container, std::string,
|
|
int>::type prepared_format;
|
|
|
|
prepared_format prepared = fmt::prepare<prepared_format>("The {} is {}.");
|
|
EXPECT_EQ("The answer is 42.", prepared.format("answer", 42));
|
|
prepared = fmt::prepare<prepared_format>("40 {} 2 = {}");
|
|
EXPECT_EQ("40 + 2 = 42", prepared.format("+", 42));
|
|
}
|
|
|
|
class custom_parts_container {
|
|
public:
|
|
typedef fmt::format_part<char> format_part_type;
|
|
|
|
private:
|
|
typedef std::deque<format_part_type> parts;
|
|
|
|
public:
|
|
void add(format_part_type part) { parts_.push_back(std::move(part)); }
|
|
|
|
void substitute_last(format_part_type part) {
|
|
parts_.back() = std::move(part);
|
|
}
|
|
|
|
format_part_type last() { return parts_.back(); }
|
|
|
|
auto begin() -> decltype(fmt::internal::declval<parts>().begin()) {
|
|
return parts_.begin();
|
|
}
|
|
|
|
auto begin() const
|
|
-> decltype(fmt::internal::declval<const parts>().begin()) {
|
|
return parts_.begin();
|
|
}
|
|
|
|
auto end() -> decltype(fmt::internal::declval<parts>().begin()) {
|
|
return parts_.end();
|
|
}
|
|
|
|
auto end() const -> decltype(fmt::internal::declval<const parts>().begin()) {
|
|
return parts_.end();
|
|
}
|
|
|
|
private:
|
|
parts parts_;
|
|
};
|
|
|
|
TEST(PrepareTest, UserProvidedPartsContainer) {
|
|
typedef fmt::basic_prepared_format<std::string, custom_parts_container,
|
|
std::string, int>::type prepared_format;
|
|
|
|
prepared_format prepared = fmt::prepare<prepared_format>("The {} is {}.");
|
|
EXPECT_EQ("The answer is 42.", prepared.format("answer", 42));
|
|
prepared = fmt::prepare<prepared_format>("40 {} 2 = {}");
|
|
EXPECT_EQ("40 + 2 = 42", prepared.format("+", 42));
|
|
}
|
|
|
|
TEST(PrepareTest, PassConstCharPointerFormat) {
|
|
const char* c_format = "test {}";
|
|
const auto prepared = fmt::prepare<int>(c_format);
|
|
EXPECT_EQ("test 42", prepared.format(42));
|
|
const wchar_t* wc_format = L"test {}";
|
|
const auto wprepared = fmt::prepare<int>(wc_format);
|
|
EXPECT_EQ(L"test 42", wprepared.format(42));
|
|
}
|
|
|
|
TEST(PrepareTest, PassCharArrayFormat) {
|
|
char c_format[] = "test {}";
|
|
const auto prepared = fmt::prepare<int>(c_format);
|
|
EXPECT_EQ("test 42", prepared.format(42));
|
|
wchar_t wc_format[] = L"test {}";
|
|
const auto wprepared = fmt::prepare<int>(wc_format);
|
|
EXPECT_EQ(L"test 42", wprepared.format(42));
|
|
}
|
|
|
|
TEST(PrepareTest, PassConstCharArrayFormat) {
|
|
const char c_format[] = "test {}";
|
|
const auto prepared = fmt::prepare<int>(c_format);
|
|
EXPECT_EQ("test 42", prepared.format(42));
|
|
const wchar_t wc_format[] = L"test {}";
|
|
const auto wprepared = fmt::prepare<int>(wc_format);
|
|
EXPECT_EQ(L"test 42", wprepared.format(42));
|
|
}
|
|
|
|
TEST(PrepareTest, PassStringLiteralFormat) {
|
|
const auto prepared = fmt::prepare<int>("test {}");
|
|
EXPECT_EQ("test 42", prepared.format(42));
|
|
const auto wprepared = fmt::prepare<int>(L"test {}");
|
|
EXPECT_EQ(L"test 42", wprepared.format(42));
|
|
}
|
|
|
|
TEST(PrepareTest, PassStringViewFormat) {
|
|
const auto prepared =
|
|
fmt::prepare<int>(fmt::basic_string_view<char>("test {}"));
|
|
EXPECT_EQ("test 42", prepared.format(42));
|
|
const auto wprepared =
|
|
fmt::prepare<int>(fmt::basic_string_view<wchar_t>(L"test {}"));
|
|
EXPECT_EQ(L"test 42", wprepared.format(42));
|
|
}
|
|
|
|
TEST(PrepareTest, PassBasicStringFormat) {
|
|
const auto prepared = fmt::prepare<int>(std::string("test {}"));
|
|
EXPECT_EQ("test 42", prepared.format(42));
|
|
const auto wprepared = fmt::prepare<int>(std::wstring(L"test {}"));
|
|
EXPECT_EQ(L"test 42", wprepared.format(42));
|
|
}
|
|
|
|
#if FMT_USE_CONSTEXPR
|
|
TEST(PrepareTest, PassCompileString) {
|
|
const auto prepared = fmt::prepare<int>(FMT_STRING("test {}"));
|
|
EXPECT_EQ("test 42", prepared.format(42));
|
|
const auto wprepared = fmt::prepare<int>(FMT_STRING(L"test {}"));
|
|
EXPECT_EQ(L"test 42", wprepared.format(42));
|
|
}
|
|
#endif
|
|
|
|
template <typename T> struct user_allocator {
|
|
typedef T value_type;
|
|
typedef value_type* pointer;
|
|
typedef const value_type* const_pointer;
|
|
typedef value_type& reference;
|
|
typedef const value_type& const_reference;
|
|
typedef std::size_t size_type;
|
|
typedef std::ptrdiff_t difference_type;
|
|
|
|
template <typename U> struct rebind { typedef user_allocator<U> other; };
|
|
|
|
user_allocator() = default;
|
|
~user_allocator() = default;
|
|
template <typename U> user_allocator(const user_allocator<U>&) {}
|
|
|
|
pointer allocate(
|
|
size_type cnt,
|
|
typename std::allocator<fmt::monostate>::const_pointer = FMT_NULL) {
|
|
return new value_type[cnt];
|
|
}
|
|
|
|
void deallocate(pointer p, size_type) { delete[] p; }
|
|
|
|
void construct(pointer p, const value_type& val) { new (p) value_type(val); }
|
|
|
|
void destroy(pointer p) { (*p).~value_type(); }
|
|
|
|
bool operator==(const user_allocator&) const { return true; }
|
|
bool operator!=(const user_allocator&) const { return false; }
|
|
};
|
|
|
|
TEST(PrepareTest, PassUserTypeFormat) {
|
|
typedef std::basic_string<char, std::char_traits<char>, user_allocator<char>>
|
|
user_format;
|
|
const auto prepared = fmt::prepare<int>(user_format("test {}"));
|
|
EXPECT_EQ("test 42", prepared.format(42));
|
|
}
|