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// Copyright 2022 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/tint/utils/diagnostic/source.h"
#include <memory>
#include <utility>
#include "gtest/gtest.h"
namespace tint {
namespace {
static constexpr const char* kSource = R"(line one
line two
line three)";
using SourceFileContentTest = testing::Test;
TEST_F(SourceFileContentTest, Init) {
Source::FileContent fc(kSource);
EXPECT_EQ(fc.data, kSource);
ASSERT_EQ(fc.lines.size(), 3u);
EXPECT_EQ(fc.lines[0], "line one");
EXPECT_EQ(fc.lines[1], "line two");
EXPECT_EQ(fc.lines[2], "line three");
}
TEST_F(SourceFileContentTest, CopyInit) {
auto src = std::make_unique<Source::FileContent>(kSource);
Source::FileContent fc{*src};
src.reset();
EXPECT_EQ(fc.data, kSource);
ASSERT_EQ(fc.lines.size(), 3u);
EXPECT_EQ(fc.lines[0], "line one");
EXPECT_EQ(fc.lines[1], "line two");
EXPECT_EQ(fc.lines[2], "line three");
}
TEST_F(SourceFileContentTest, MoveInit) {
auto src = std::make_unique<Source::FileContent>(kSource);
Source::FileContent fc{std::move(*src)};
src.reset();
EXPECT_EQ(fc.data, kSource);
ASSERT_EQ(fc.lines.size(), 3u);
EXPECT_EQ(fc.lines[0], "line one");
EXPECT_EQ(fc.lines[1], "line two");
EXPECT_EQ(fc.lines[2], "line three");
}
// Line break code points
#define kCR "\r"
#define kLF "\n"
#define kVTab "\x0B"
#define kFF "\x0C"
#define kNL "\xC2\x85"
#define kLS "\xE2\x80\xA8"
#define kPS "\xE2\x80\xA9"
using LineBreakTest = testing::TestWithParam<const char*>;
TEST_P(LineBreakTest, Single) {
std::string src = "line one";
src += GetParam();
src += "line two";
Source::FileContent fc(src);
EXPECT_EQ(fc.lines.size(), 2u);
EXPECT_EQ(fc.lines[0], "line one");
EXPECT_EQ(fc.lines[1], "line two");
}
TEST_P(LineBreakTest, Double) {
std::string src = "line one";
src += GetParam();
src += GetParam();
src += "line two";
Source::FileContent fc(src);
EXPECT_EQ(fc.lines.size(), 3u);
EXPECT_EQ(fc.lines[0], "line one");
EXPECT_EQ(fc.lines[1], "");
EXPECT_EQ(fc.lines[2], "line two");
}
INSTANTIATE_TEST_SUITE_P(SourceFileContentTest,
LineBreakTest,
testing::Values(kVTab, kFF, kNL, kLS, kPS, kLF, kCR, kCR kLF));
} // namespace
} // namespace tint