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-rw-r--r--dom/workers/test/fileReaderSyncErrors_worker.js82
1 files changed, 82 insertions, 0 deletions
diff --git a/dom/workers/test/fileReaderSyncErrors_worker.js b/dom/workers/test/fileReaderSyncErrors_worker.js
new file mode 100644
index 0000000000..0ba91469c8
--- /dev/null
+++ b/dom/workers/test/fileReaderSyncErrors_worker.js
@@ -0,0 +1,82 @@
+/**
+ * Delegates "is" evaluation back to main thread.
+ */
+function is(actual, expected, message) {
+ var rtnObj = new Object();
+ rtnObj.actual = actual;
+ rtnObj.expected = expected;
+ rtnObj.message = message;
+ postMessage(rtnObj);
+}
+
+/**
+ * Tries to write to property.
+ */
+function writeProperty(file, property) {
+ var oldValue = file[property];
+ file[property] = -1;
+ is(file[property], oldValue, "Property " + property + " should be readonly.");
+}
+
+/**
+ * Passes junk arguments to FileReaderSync methods and expects an exception to
+ * be thrown.
+ */
+function fileReaderJunkArgument(blob) {
+ var fileReader = new FileReaderSync();
+
+ try {
+ fileReader.readAsBinaryString(blob);
+ is(
+ false,
+ true,
+ "Should have thrown an exception calling readAsBinaryString."
+ );
+ } catch (ex) {
+ is(true, true, "Should have thrown an exception.");
+ }
+
+ try {
+ fileReader.readAsDataURL(blob);
+ is(false, true, "Should have thrown an exception calling readAsDataURL.");
+ } catch (ex) {
+ is(true, true, "Should have thrown an exception.");
+ }
+
+ try {
+ fileReader.readAsArrayBuffer(blob);
+ is(
+ false,
+ true,
+ "Should have thrown an exception calling readAsArrayBuffer."
+ );
+ } catch (ex) {
+ is(true, true, "Should have thrown an exception.");
+ }
+
+ try {
+ fileReader.readAsText(blob);
+ is(false, true, "Should have thrown an exception calling readAsText.");
+ } catch (ex) {
+ is(true, true, "Should have thrown an exception.");
+ }
+}
+
+onmessage = function (event) {
+ var file = event.data;
+
+ // Test read only properties.
+ writeProperty(file, "size");
+ writeProperty(file, "type");
+ writeProperty(file, "name");
+
+ // Bad types.
+ fileReaderJunkArgument(undefined);
+ fileReaderJunkArgument(-1);
+ fileReaderJunkArgument(1);
+ fileReaderJunkArgument(new Object());
+ fileReaderJunkArgument("hello");
+
+ // Post undefined to indicate that testing has finished.
+ postMessage(undefined);
+};