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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 "SkOSPath.h"
#include "SkString.h"
#include "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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