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- /*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "include/core/SkString.h"
- #include "src/utils/SkOSPath.h"
- #include "tests/Test.h"
- /**
- * Test SkOSPath::Join, SkOSPath::Basename, and SkOSPath::Dirname.
- * Will use SkOSPath::Join to append filename to dir, test that it works correctly,
- * and tests using SkOSPath::Basename on the result.
- * @param reporter Reporter for test conditions.
- * @param dir String representing the path to a folder. May or may not
- * end with SkOSPath::SEPARATOR.
- * @param filename String representing the basename of a file. Must NOT
- * contain SkOSPath::SEPARATOR.
- */
- static void test_dir_with_file(skiatest::Reporter* reporter, SkString dir,
- SkString filename) {
- // If filename contains SkOSPath::SEPARATOR, the tests will fail.
- SkASSERT(!filename.contains(SkOSPath::SEPARATOR));
- // Tests for SkOSPath::Join and SkOSPath::Basename
- // fullName should be "dir<SkOSPath::SEPARATOR>file"
- SkString fullName = SkOSPath::Join(dir.c_str(), filename.c_str());
- // fullName should be the combined size of dir and file, plus one if
- // dir did not include the final path separator.
- size_t expectedSize = dir.size() + filename.size();
- if (!dir.endsWith(SkOSPath::SEPARATOR) && !dir.isEmpty()) {
- expectedSize++;
- }
- REPORTER_ASSERT(reporter, fullName.size() == expectedSize);
- SkString basename = SkOSPath::Basename(fullName.c_str());
- SkString dirname = SkOSPath::Dirname(fullName.c_str());
- // basename should be the same as filename
- REPORTER_ASSERT(reporter, basename.equals(filename));
- // dirname should be the same as dir with any trailing seperators removed.
- // Except when the the string is just "/".
- SkString strippedDir = dir;
- while (strippedDir.size() > 2 && strippedDir[strippedDir.size() - 1] == SkOSPath::SEPARATOR) {
- strippedDir.remove(strippedDir.size() - 1, 1);
- }
- if (!dirname.equals(strippedDir)) {
- SkDebugf("OOUCH %s %s %s\n", dir.c_str(), strippedDir.c_str(), dirname.c_str());
- }
- REPORTER_ASSERT(reporter, dirname.equals(strippedDir));
- // basename will not contain a path separator
- REPORTER_ASSERT(reporter, !basename.contains(SkOSPath::SEPARATOR));
- // Now take the basename of filename, which should be the same as filename.
- basename = SkOSPath::Basename(filename.c_str());
- REPORTER_ASSERT(reporter, basename.equals(filename));
- }
- DEF_TEST(OSPath, reporter) {
- SkString dir("dir");
- SkString filename("file");
- test_dir_with_file(reporter, dir, filename);
- // Now make sure this works with a path separator at the end of dir.
- dir.appendUnichar(SkOSPath::SEPARATOR);
- test_dir_with_file(reporter, dir, filename);
- // Test using no filename.
- test_dir_with_file(reporter, dir, SkString());
- // Testing using no directory.
- test_dir_with_file(reporter, SkString(), filename);
- // Test with a sub directory.
- dir.append("subDir");
- test_dir_with_file(reporter, dir, filename);
- // Basename of a directory with a path separator at the end is empty.
- dir.appendUnichar(SkOSPath::SEPARATOR);
- SkString baseOfDir = SkOSPath::Basename(dir.c_str());
- REPORTER_ASSERT(reporter, baseOfDir.size() == 0);
- // Basename of nullptr is an empty string.
- SkString empty = SkOSPath::Basename(nullptr);
- REPORTER_ASSERT(reporter, empty.size() == 0);
- // File in root dir
- dir.printf("%c", SkOSPath::SEPARATOR);
- filename.set("file");
- test_dir_with_file(reporter, dir, filename);
- // Just the root dir
- filename.reset();
- test_dir_with_file(reporter, dir, filename);
- // Test that nullptr can be used for the directory and filename.
- SkString emptyPath = SkOSPath::Join(nullptr, nullptr);
- REPORTER_ASSERT(reporter, emptyPath.isEmpty());
- }
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