Add tests to read a directory with many entires

BUG=347900
TEST=run_webkit_tests.sh fast/filesystem/read-directory-many.html
TEST=run_webkit_tests.sh fast/filesystem/workers/read-directory-sync-many.html

Review URL: https://codereview.chromium.org/190653002

git-svn-id: svn://svn.chromium.org/blink/trunk@168906 bbb929c8-8fbe-4397-9dbb-9b2b20218538

1 files changed, 78 insertions, 0 deletions

diff --git a/third_party/WebKit/LayoutTests/fast/filesystem/resources/read-directory-many.js b/third_party/WebKit/LayoutTests/fast/filesystem/resources/read-directory-many.js
new file mode 100644
index 0000000..4c2f4af
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/fast/filesystem/resources/read-directory-many.js
@@ -0,0 +1,78 @@
+description("DirectoryReader.readEntries() test with many entries.");
+var fileSystem = null;
+var reader = null;
+var numFilesExpected = 150;
+var numDirectoriesExpected = 150;
+var resultEntries = [];
+
+function endTest()
+{
+    removeAllInDirectory(fileSystem.root);
+    finishJSTest();
+}
+
+function errorCallback(error)
+{
+    debug("Error occured:" + error.name);
+    endTest();
+}
+
+var numFiles = 0, numDirectories = 0;
+function verifyTestResult()
+{
+    for (var i = 0; i < resultEntries.length; ++i) {
+        var entry = resultEntries[i];
+        if (entry.isDirectory) {
+            ++numDirectories;
+        } else {
+            ++numFiles;
+        }
+    }
+    shouldBe('numFiles', 'numFilesExpected');
+    shouldBe('numDirectories', 'numDirectoriesExpected');
+}
+
+function entriesCallback(entries)
+{
+    resultEntries.push.apply(resultEntries, entries);
+
+    if (entries.length) {
+        reader.readEntries(entriesCallback, errorCallback);
+    } else {
+        // Must have read all the entries.
+        verifyTestResult();
+        endTest();
+    }
+}
+
+function runReadDirectoryTest()
+{
+    reader = fileSystem.root.createReader();
+    reader.readEntries(entriesCallback, errorCallback);
+}
+
+function prepareForTest()
+{
+    var helper = new JoinHelper();
+    var done = function() { helper.done(); };
+
+    for (var i = 0; i < numFilesExpected; ++i) {
+        var name = 'file' + i;
+        helper.run(function() { fileSystem.root.getFile(name, {create: true}, done, errorCallback); });
+    }
+    for (var i = 0; i < numDirectoriesExpected; ++i) {
+        var name = 'directory' + i;
+        helper.run(function() { fileSystem.root.getDirectory(name, {create: true}, done, errorCallback); });
+    }
+    helper.join(runReadDirectoryTest);
+}
+
+function successCallback(fs)
+{
+    fileSystem = fs;
+    debug("Successfully obtained TEMPORARY FileSystem:" + fileSystem.name);
+    removeAllInDirectory(fileSystem.root, prepareForTest, errorCallback);
+}
+
+jsTestIsAsync = true;
+webkitRequestFileSystem(TEMPORARY, 100, successCallback, errorCallback);