521 lines
17 KiB
C++
521 lines
17 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 format.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/compile.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/compile.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::internal::format_part<char>));
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MOCK_METHOD1(substitute_last, void(fmt::internal::format_part<char>));
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MOCK_METHOD0(last, fmt::internal::format_part<char>());
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};
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FMT_BEGIN_NAMESPACE
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namespace internal {
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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[0],
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lhs.parsed_specs.align, lhs.parsed_specs.precision,
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lhs.parsed_specs.sign, lhs.parsed_specs.type) ==
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std::tie(rhs.parsed_specs.width, rhs.parsed_specs.fill[0],
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rhs.parsed_specs.align, rhs.parsed_specs.precision,
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rhs.parsed_specs.sign, 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::internal::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::internal::format_part<char>& lhs,
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const fmt::internal::format_part<char>& rhs) {
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return !(lhs == rhs);
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}
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}
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FMT_END_NAMESPACE
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TEST(CompileTest, FormatPart_ComparisonOperators) {
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typedef fmt::internal::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(CompileTest, FormatPreparationHandler_OnText_AddsPartWithText) {
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typedef fmt::internal::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(CompileTest, FormatPreparationHandler_OnArgId_AddsPartWithIncrementedId) {
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typedef fmt::internal::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(CompileTest, FormatPreparationHandler_OnArgId_AddsPartWithPassedId) {
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typedef fmt::internal::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(CompileTest, FormatPreparationHandler_OnArgId_AddsPartWithPassedNamedId) {
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typedef fmt::internal::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(CompileTest,
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FormatPreparationHandler_OnReplacementField_SetsEndOfArgumentId) {
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typedef fmt::internal::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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CompileTest,
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FormatPreparationHandlerLastPartArgIndex_OnFormatSpecs_UpdatesLastAddedPart) {
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typedef fmt::internal::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::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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CompileTest,
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FormatPreparationHandlerLastPartNamedArgIndex_OnFormatSpecs_UpdatesLastAddedPart) {
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typedef fmt::internal::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::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(CompileTest, 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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class custom_parts_container {
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public:
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typedef fmt::internal::format_part<char> format_part_type;
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private:
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typedef std::deque<format_part_type> parts;
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public:
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void add(format_part_type part) { parts_.push_back(std::move(part)); }
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void substitute_last(format_part_type part) {
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parts_.back() = std::move(part);
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}
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format_part_type last() { return parts_.back(); }
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auto begin() -> decltype(std::declval<parts>().begin()) {
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return parts_.begin();
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}
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auto begin() const -> decltype(std::declval<const parts>().begin()) {
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return parts_.begin();
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}
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auto end() -> decltype(std::declval<parts>().begin()) { return parts_.end(); }
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auto end() const -> decltype(std::declval<const parts>().begin()) {
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return parts_.end();
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}
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private:
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parts parts_;
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};
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TEST(CompileTest, PassStringLiteralFormat) {
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const auto prepared = fmt::compile<int>("test {}");
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EXPECT_EQ("test 42", fmt::format(prepared, 42));
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const auto wprepared = fmt::compile<int>(L"test {}");
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EXPECT_EQ(L"test 42", fmt::format(wprepared, 42));
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}
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|
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#if FMT_USE_CONSTEXPR
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TEST(CompileTest, PassCompileString) {
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const auto prepared = fmt::compile<int>(FMT_STRING("test {}"));
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EXPECT_EQ("test 42", fmt::format(prepared, 42));
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|
const auto wprepared = fmt::compile<int>(FMT_STRING(L"test {}"));
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|
EXPECT_EQ(L"test 42", fmt::format(wprepared, 42));
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|
}
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|
#endif
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|
|
|
TEST(CompileTest, FormatToArrayOfChars) {
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|
char buffer[32] = {0};
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|
const auto prepared = fmt::compile<int>("4{}");
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|
fmt::format_to(fmt::internal::make_checked(buffer, 32), prepared, 2);
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|
EXPECT_EQ(std::string("42"), buffer);
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|
wchar_t wbuffer[32] = {0};
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|
const auto wprepared = fmt::compile<int>(L"4{}");
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|
fmt::format_to(fmt::internal::make_checked(wbuffer, 32), wprepared, 2);
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|
EXPECT_EQ(std::wstring(L"42"), wbuffer);
|
|
}
|
|
|
|
TEST(CompileTest, FormatToIterator) {
|
|
std::string s(2, ' ');
|
|
const auto prepared = fmt::compile<int>("4{}");
|
|
fmt::format_to(s.begin(), prepared, 2);
|
|
EXPECT_EQ("42", s);
|
|
std::wstring ws(2, L' ');
|
|
const auto wprepared = fmt::compile<int>(L"4{}");
|
|
fmt::format_to(ws.begin(), wprepared, 2);
|
|
EXPECT_EQ(L"42", ws);
|
|
}
|
|
|
|
TEST(CompileTest, FormatToN) {
|
|
char buf[5];
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|
auto f = fmt::compile<int>("{:10}");
|
|
auto result = fmt::format_to_n(buf, 5, f, 42);
|
|
EXPECT_EQ(result.size, 10);
|
|
EXPECT_EQ(result.out, buf + 5);
|
|
EXPECT_EQ(fmt::string_view(buf, 5), " ");
|
|
}
|
|
|
|
TEST(CompileTest, FormattedSize) {
|
|
auto f = fmt::compile<int>("{:10}");
|
|
EXPECT_EQ(fmt::formatted_size(f, 42), 10);
|
|
}
|