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