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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "testing/gtest/include/gtest/gtest.h"
#include "tools/gn/source_dir.h"
#include "tools/gn/source_file.h"
TEST(SourceDir, ResolveRelativeFile) {
SourceDir base("//base/");
#if defined(OS_WIN)
base::StringPiece source_root("C:/source/root");
#else
base::StringPiece source_root("/source/root");
#endif
// Empty input is an error.
EXPECT_TRUE(base.ResolveRelativeFile("", source_root) == SourceFile());
// These things are directories, so should be an error.
EXPECT_TRUE(base.ResolveRelativeFile("//foo/bar/", source_root) ==
SourceFile());
EXPECT_TRUE(base.ResolveRelativeFile("bar/", source_root) ==
SourceFile());
// Absolute paths should be passed unchanged.
EXPECT_TRUE(base.ResolveRelativeFile("//foo",source_root) ==
SourceFile("//foo"));
EXPECT_TRUE(base.ResolveRelativeFile("/foo", source_root) ==
SourceFile("/foo"));
// Basic relative stuff.
EXPECT_TRUE(base.ResolveRelativeFile("foo", source_root) ==
SourceFile("//base/foo"));
EXPECT_TRUE(base.ResolveRelativeFile("./foo", source_root) ==
SourceFile("//base/foo"));
EXPECT_TRUE(base.ResolveRelativeFile("../foo", source_root) ==
SourceFile("//foo"));
// If the given relative path points outside the source root, we
// expect an absolute path.
#if defined(OS_WIN)
EXPECT_TRUE(base.ResolveRelativeFile("../../foo", source_root) ==
SourceFile("/C:/source/foo"));
#else
EXPECT_TRUE(base.ResolveRelativeFile("../../foo", source_root) ==
SourceFile("/source/foo"));
#endif
#if defined(OS_WIN)
// Note that we don't canonicalize the backslashes to forward slashes.
// This could potentially be changed in the future which would mean we should
// just change the expected result.
EXPECT_TRUE(base.ResolveRelativeFile("C:\\foo\\bar.txt", source_root) ==
SourceFile("/C:/foo/bar.txt"));
#endif
}
TEST(SourceDir, ResolveRelativeDir) {
SourceDir base("//base/");
#if defined(OS_WIN)
base::StringPiece source_root("C:/source/root");
#else
base::StringPiece source_root("/source/root");
#endif
// Empty input is an error.
EXPECT_TRUE(base.ResolveRelativeDir("", source_root) == SourceDir());
// Absolute paths should be passed unchanged.
EXPECT_TRUE(base.ResolveRelativeDir("//foo", source_root) ==
SourceDir("//foo/"));
EXPECT_TRUE(base.ResolveRelativeDir("/foo", source_root) ==
SourceDir("/foo/"));
// Basic relative stuff.
EXPECT_TRUE(base.ResolveRelativeDir("foo", source_root) ==
SourceDir("//base/foo/"));
EXPECT_TRUE(base.ResolveRelativeDir("./foo", source_root) ==
SourceDir("//base/foo/"));
EXPECT_TRUE(base.ResolveRelativeDir("../foo", source_root) ==
SourceDir("//foo/"));
// If the given relative path points outside the source root, we
// expect an absolute path.
#if defined(OS_WIN)
EXPECT_TRUE(base.ResolveRelativeDir("../../foo", source_root) ==
SourceDir("/C:/source/foo/"));
#else
EXPECT_TRUE(base.ResolveRelativeDir("../../foo", source_root) ==
SourceDir("/source/foo/"));
#endif
#if defined(OS_WIN)
// Canonicalize the existing backslashes to forward slashes and add a
// leading slash if necessary.
EXPECT_TRUE(base.ResolveRelativeDir("\\C:\\foo") == SourceDir("/C:/foo/"));
EXPECT_TRUE(base.ResolveRelativeDir("C:\\foo") == SourceDir("/C:/foo/"));
#endif
}
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