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-rw-r--r--netwerk/test/unit/test_backgroundfilesaver.js761
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diff --git a/netwerk/test/unit/test_backgroundfilesaver.js b/netwerk/test/unit/test_backgroundfilesaver.js
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+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * This file tests components that implement nsIBackgroundFileSaver.
+ */
+
+////////////////////////////////////////////////////////////////////////////////
+//// Globals
+
+"use strict";
+
+ChromeUtils.defineESModuleGetters(this, {
+ FileTestUtils: "resource://testing-common/FileTestUtils.sys.mjs",
+});
+
+const BackgroundFileSaverOutputStream = Components.Constructor(
+ "@mozilla.org/network/background-file-saver;1?mode=outputstream",
+ "nsIBackgroundFileSaver"
+);
+
+const BackgroundFileSaverStreamListener = Components.Constructor(
+ "@mozilla.org/network/background-file-saver;1?mode=streamlistener",
+ "nsIBackgroundFileSaver"
+);
+
+const StringInputStream = Components.Constructor(
+ "@mozilla.org/io/string-input-stream;1",
+ "nsIStringInputStream",
+ "setData"
+);
+
+const REQUEST_SUSPEND_AT = 1024 * 1024 * 4;
+const TEST_DATA_SHORT = "This test string is written to the file.";
+const TEST_FILE_NAME_1 = "test-backgroundfilesaver-1.txt";
+const TEST_FILE_NAME_2 = "test-backgroundfilesaver-2.txt";
+const TEST_FILE_NAME_3 = "test-backgroundfilesaver-3.txt";
+
+// A map of test data length to the expected SHA-256 hashes
+const EXPECTED_HASHES = {
+ // No data
+ 0: "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+ // TEST_DATA_SHORT
+ 40: "f37176b690e8744ee990a206c086cba54d1502aa2456c3b0c84ef6345d72a192",
+ // TEST_DATA_SHORT + TEST_DATA_SHORT
+ 80: "780c0e91f50bb7ec922cc11e16859e6d5df283c0d9470f61772e3d79f41eeb58",
+ // TEST_DATA_LONG
+ 4718592: "372cb9e5ce7b76d3e2a5042e78aa72dcf973e659a262c61b7ff51df74b36767b",
+ // TEST_DATA_LONG + TEST_DATA_LONG
+ 9437184: "693e4f8c6855a6fed4f5f9370d12cc53105672f3ff69783581e7d925984c41d3",
+};
+
+// Generate a long string of data in a moderately fast way.
+const TEST_256_CHARS = new Array(257).join("-");
+const DESIRED_LENGTH = REQUEST_SUSPEND_AT * 1.125;
+const TEST_DATA_LONG = new Array(1 + DESIRED_LENGTH / 256).join(TEST_256_CHARS);
+Assert.equal(TEST_DATA_LONG.length, DESIRED_LENGTH);
+
+/**
+ * Returns a reference to a temporary file that is guaranteed not to exist and
+ * is cleaned up later. See FileTestUtils.getTempFile for details.
+ */
+function getTempFile(leafName) {
+ return FileTestUtils.getTempFile(leafName);
+}
+
+/**
+ * Helper function for converting a binary blob to its hex equivalent.
+ *
+ * @param str
+ * String possibly containing non-printable chars.
+ * @return A hex-encoded string.
+ */
+function toHex(str) {
+ var hex = "";
+ for (var i = 0; i < str.length; i++) {
+ hex += ("0" + str.charCodeAt(i).toString(16)).slice(-2);
+ }
+ return hex;
+}
+
+/**
+ * Ensures that the given file contents are equal to the given string.
+ *
+ * @param aFile
+ * nsIFile whose contents should be verified.
+ * @param aExpectedContents
+ * String containing the octets that are expected in the file.
+ *
+ * @return {Promise}
+ * @resolves When the operation completes.
+ * @rejects Never.
+ */
+function promiseVerifyContents(aFile, aExpectedContents) {
+ return new Promise(resolve => {
+ NetUtil.asyncFetch(
+ {
+ uri: NetUtil.newURI(aFile),
+ loadUsingSystemPrincipal: true,
+ },
+ function (aInputStream, aStatus) {
+ Assert.ok(Components.isSuccessCode(aStatus));
+ let contents = NetUtil.readInputStreamToString(
+ aInputStream,
+ aInputStream.available()
+ );
+ if (contents.length <= TEST_DATA_SHORT.length * 2) {
+ Assert.equal(contents, aExpectedContents);
+ } else {
+ // Do not print the entire content string to the test log.
+ Assert.equal(contents.length, aExpectedContents.length);
+ Assert.ok(contents == aExpectedContents);
+ }
+ resolve();
+ }
+ );
+ });
+}
+
+/**
+ * Waits for the given saver object to complete.
+ *
+ * @param aSaver
+ * The saver, with the output stream or a stream listener implementation.
+ * @param aOnTargetChangeFn
+ * Optional callback invoked with the target file name when it changes.
+ *
+ * @return {Promise}
+ * @resolves When onSaveComplete is called with a success code.
+ * @rejects With an exception, if onSaveComplete is called with a failure code.
+ */
+function promiseSaverComplete(aSaver, aOnTargetChangeFn) {
+ return new Promise((resolve, reject) => {
+ aSaver.observer = {
+ onTargetChange: function BFSO_onSaveComplete(aSaver, aTarget) {
+ if (aOnTargetChangeFn) {
+ aOnTargetChangeFn(aTarget);
+ }
+ },
+ onSaveComplete: function BFSO_onSaveComplete(aSaver, aStatus) {
+ if (Components.isSuccessCode(aStatus)) {
+ resolve();
+ } else {
+ reject(new Components.Exception("Saver failed.", aStatus));
+ }
+ },
+ };
+ });
+}
+
+/**
+ * Feeds a string to a BackgroundFileSaverOutputStream.
+ *
+ * @param aSourceString
+ * The source data to copy.
+ * @param aSaverOutputStream
+ * The BackgroundFileSaverOutputStream to feed.
+ * @param aCloseWhenDone
+ * If true, the output stream will be closed when the copy finishes.
+ *
+ * @return {Promise}
+ * @resolves When the copy completes with a success code.
+ * @rejects With an exception, if the copy fails.
+ */
+function promiseCopyToSaver(aSourceString, aSaverOutputStream, aCloseWhenDone) {
+ return new Promise((resolve, reject) => {
+ let inputStream = new StringInputStream(
+ aSourceString,
+ aSourceString.length
+ );
+ let copier = Cc[
+ "@mozilla.org/network/async-stream-copier;1"
+ ].createInstance(Ci.nsIAsyncStreamCopier);
+ copier.init(
+ inputStream,
+ aSaverOutputStream,
+ null,
+ false,
+ true,
+ 0x8000,
+ true,
+ aCloseWhenDone
+ );
+ copier.asyncCopy(
+ {
+ onStartRequest() {},
+ onStopRequest(aRequest, aStatusCode) {
+ if (Components.isSuccessCode(aStatusCode)) {
+ resolve();
+ } else {
+ reject(new Components.Exception(aStatusCode));
+ }
+ },
+ },
+ null
+ );
+ });
+}
+
+/**
+ * Feeds a string to a BackgroundFileSaverStreamListener.
+ *
+ * @param aSourceString
+ * The source data to copy.
+ * @param aSaverStreamListener
+ * The BackgroundFileSaverStreamListener to feed.
+ * @param aCloseWhenDone
+ * If true, the output stream will be closed when the copy finishes.
+ *
+ * @return {Promise}
+ * @resolves When the operation completes with a success code.
+ * @rejects With an exception, if the operation fails.
+ */
+function promisePumpToSaver(
+ aSourceString,
+ aSaverStreamListener,
+ aCloseWhenDone
+) {
+ return new Promise((resolve, reject) => {
+ aSaverStreamListener.QueryInterface(Ci.nsIStreamListener);
+ let inputStream = new StringInputStream(
+ aSourceString,
+ aSourceString.length
+ );
+ let pump = Cc["@mozilla.org/network/input-stream-pump;1"].createInstance(
+ Ci.nsIInputStreamPump
+ );
+ pump.init(inputStream, 0, 0, true);
+ pump.asyncRead({
+ onStartRequest: function PPTS_onStartRequest(aRequest) {
+ aSaverStreamListener.onStartRequest(aRequest);
+ },
+ onStopRequest: function PPTS_onStopRequest(aRequest, aStatusCode) {
+ aSaverStreamListener.onStopRequest(aRequest, aStatusCode);
+ if (Components.isSuccessCode(aStatusCode)) {
+ resolve();
+ } else {
+ reject(new Components.Exception(aStatusCode));
+ }
+ },
+ onDataAvailable: function PPTS_onDataAvailable(
+ aRequest,
+ aInputStream,
+ aOffset,
+ aCount
+ ) {
+ aSaverStreamListener.onDataAvailable(
+ aRequest,
+ aInputStream,
+ aOffset,
+ aCount
+ );
+ },
+ });
+ });
+}
+
+var gStillRunning = true;
+
+////////////////////////////////////////////////////////////////////////////////
+//// Tests
+
+add_task(function test_setup() {
+ // Wait 10 minutes, that is half of the external xpcshell timeout.
+ do_timeout(10 * 60 * 1000, function () {
+ if (gStillRunning) {
+ do_throw("Test timed out.");
+ }
+ });
+});
+
+add_task(async function test_normal() {
+ // This test demonstrates the most basic use case.
+ let destFile = getTempFile(TEST_FILE_NAME_1);
+
+ // Create the object implementing the output stream.
+ let saver = new BackgroundFileSaverOutputStream();
+
+ // Set up callbacks for completion and target file name change.
+ let receivedOnTargetChange = false;
+ function onTargetChange(aTarget) {
+ Assert.ok(destFile.equals(aTarget));
+ receivedOnTargetChange = true;
+ }
+ let completionPromise = promiseSaverComplete(saver, onTargetChange);
+
+ // Set the target file.
+ saver.setTarget(destFile, false);
+
+ // Write some data and close the output stream.
+ await promiseCopyToSaver(TEST_DATA_SHORT, saver, true);
+
+ // Indicate that we are ready to finish, and wait for a successful callback.
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+
+ // Only after we receive the completion notification, we can also be sure that
+ // we've received the target file name change notification before it.
+ Assert.ok(receivedOnTargetChange);
+
+ // Clean up.
+ destFile.remove(false);
+});
+
+add_task(async function test_combinations() {
+ let initialFile = getTempFile(TEST_FILE_NAME_1);
+ let renamedFile = getTempFile(TEST_FILE_NAME_2);
+
+ // Keep track of the current file.
+ let currentFile = null;
+ function onTargetChange(aTarget) {
+ currentFile = null;
+ info("Target file changed to: " + aTarget.leafName);
+ currentFile = aTarget;
+ }
+
+ // Tests various combinations of events and behaviors for both the stream
+ // listener and the output stream implementations.
+ for (let testFlags = 0; testFlags < 32; testFlags++) {
+ let keepPartialOnFailure = !!(testFlags & 1);
+ let renameAtSomePoint = !!(testFlags & 2);
+ let cancelAtSomePoint = !!(testFlags & 4);
+ let useStreamListener = !!(testFlags & 8);
+ let useLongData = !!(testFlags & 16);
+
+ let startTime = Date.now();
+ info(
+ "Starting keepPartialOnFailure = " +
+ keepPartialOnFailure +
+ ", renameAtSomePoint = " +
+ renameAtSomePoint +
+ ", cancelAtSomePoint = " +
+ cancelAtSomePoint +
+ ", useStreamListener = " +
+ useStreamListener +
+ ", useLongData = " +
+ useLongData
+ );
+
+ // Create the object and register the observers.
+ currentFile = null;
+ let saver = useStreamListener
+ ? new BackgroundFileSaverStreamListener()
+ : new BackgroundFileSaverOutputStream();
+ saver.enableSha256();
+ let completionPromise = promiseSaverComplete(saver, onTargetChange);
+
+ // Start feeding the first chunk of data to the saver. In case we are using
+ // the stream listener, we only write one chunk.
+ let testData = useLongData ? TEST_DATA_LONG : TEST_DATA_SHORT;
+ let feedPromise = useStreamListener
+ ? promisePumpToSaver(testData + testData, saver)
+ : promiseCopyToSaver(testData, saver, false);
+
+ // Set a target output file.
+ saver.setTarget(initialFile, keepPartialOnFailure);
+
+ // Wait for the first chunk of data to be copied.
+ await feedPromise;
+
+ if (renameAtSomePoint) {
+ saver.setTarget(renamedFile, keepPartialOnFailure);
+ }
+
+ if (cancelAtSomePoint) {
+ saver.finish(Cr.NS_ERROR_FAILURE);
+ }
+
+ // Feed the second chunk of data to the saver.
+ if (!useStreamListener) {
+ await promiseCopyToSaver(testData, saver, true);
+ }
+
+ // Wait for completion, and ensure we succeeded or failed as expected.
+ if (!cancelAtSomePoint) {
+ saver.finish(Cr.NS_OK);
+ }
+ try {
+ await completionPromise;
+ if (cancelAtSomePoint) {
+ do_throw("Failure expected.");
+ }
+ } catch (ex) {
+ if (!cancelAtSomePoint || ex.result != Cr.NS_ERROR_FAILURE) {
+ throw ex;
+ }
+ }
+
+ if (!cancelAtSomePoint) {
+ // In this case, the file must exist.
+ Assert.ok(currentFile.exists());
+ let expectedContents = testData + testData;
+ await promiseVerifyContents(currentFile, expectedContents);
+ Assert.equal(
+ EXPECTED_HASHES[expectedContents.length],
+ toHex(saver.sha256Hash)
+ );
+ currentFile.remove(false);
+
+ // If the target was really renamed, the old file should not exist.
+ if (renamedFile.equals(currentFile)) {
+ Assert.ok(!initialFile.exists());
+ }
+ } else if (!keepPartialOnFailure) {
+ // In this case, the file must not exist.
+ Assert.ok(!initialFile.exists());
+ Assert.ok(!renamedFile.exists());
+ } else {
+ // In this case, the file may or may not exist, because canceling can
+ // interrupt the asynchronous operation at any point, even before the file
+ // has been created for the first time.
+ if (initialFile.exists()) {
+ initialFile.remove(false);
+ }
+ if (renamedFile.exists()) {
+ renamedFile.remove(false);
+ }
+ }
+
+ info("Test case completed in " + (Date.now() - startTime) + " ms.");
+ }
+});
+
+add_task(async function test_setTarget_after_close_stream() {
+ // This test checks the case where we close the output stream before we call
+ // the setTarget method. All the data should be buffered and written anyway.
+ let destFile = getTempFile(TEST_FILE_NAME_1);
+
+ // Test the case where the file does not already exists first, then the case
+ // where the file already exists.
+ for (let i = 0; i < 2; i++) {
+ let saver = new BackgroundFileSaverOutputStream();
+ saver.enableSha256();
+ let completionPromise = promiseSaverComplete(saver);
+
+ // Copy some data to the output stream of the file saver. This data must
+ // be shorter than the internal component's pipe buffer for the test to
+ // succeed, because otherwise the test would block waiting for the write to
+ // complete.
+ await promiseCopyToSaver(TEST_DATA_SHORT, saver, true);
+
+ // Set the target file and wait for the output to finish.
+ saver.setTarget(destFile, false);
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+
+ // Verify results.
+ await promiseVerifyContents(destFile, TEST_DATA_SHORT);
+ Assert.equal(
+ EXPECTED_HASHES[TEST_DATA_SHORT.length],
+ toHex(saver.sha256Hash)
+ );
+ }
+
+ // Clean up.
+ destFile.remove(false);
+});
+
+add_task(async function test_setTarget_fast() {
+ // This test checks a fast rename of the target file.
+ let destFile1 = getTempFile(TEST_FILE_NAME_1);
+ let destFile2 = getTempFile(TEST_FILE_NAME_2);
+ let saver = new BackgroundFileSaverOutputStream();
+ let completionPromise = promiseSaverComplete(saver);
+
+ // Set the initial name after the stream is closed, then rename immediately.
+ await promiseCopyToSaver(TEST_DATA_SHORT, saver, true);
+ saver.setTarget(destFile1, false);
+ saver.setTarget(destFile2, false);
+
+ // Wait for all the operations to complete.
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+
+ // Verify results and clean up.
+ Assert.ok(!destFile1.exists());
+ await promiseVerifyContents(destFile2, TEST_DATA_SHORT);
+ destFile2.remove(false);
+});
+
+add_task(async function test_setTarget_multiple() {
+ // This test checks multiple renames of the target file.
+ let destFile = getTempFile(TEST_FILE_NAME_1);
+ let saver = new BackgroundFileSaverOutputStream();
+ let completionPromise = promiseSaverComplete(saver);
+
+ // Rename both before and after the stream is closed.
+ saver.setTarget(getTempFile(TEST_FILE_NAME_2), false);
+ saver.setTarget(getTempFile(TEST_FILE_NAME_3), false);
+ await promiseCopyToSaver(TEST_DATA_SHORT, saver, true);
+ saver.setTarget(getTempFile(TEST_FILE_NAME_2), false);
+ saver.setTarget(destFile, false);
+
+ // Wait for all the operations to complete.
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+
+ // Verify results and clean up.
+ Assert.ok(!getTempFile(TEST_FILE_NAME_2).exists());
+ Assert.ok(!getTempFile(TEST_FILE_NAME_3).exists());
+ await promiseVerifyContents(destFile, TEST_DATA_SHORT);
+ destFile.remove(false);
+});
+
+add_task(async function test_enableAppend() {
+ // This test checks append mode with hashing disabled.
+ let destFile = getTempFile(TEST_FILE_NAME_1);
+
+ // Test the case where the file does not already exists first, then the case
+ // where the file already exists.
+ for (let i = 0; i < 2; i++) {
+ let saver = new BackgroundFileSaverOutputStream();
+ saver.enableAppend();
+ let completionPromise = promiseSaverComplete(saver);
+
+ saver.setTarget(destFile, false);
+ await promiseCopyToSaver(TEST_DATA_LONG, saver, true);
+
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+
+ // Verify results.
+ let expectedContents =
+ i == 0 ? TEST_DATA_LONG : TEST_DATA_LONG + TEST_DATA_LONG;
+ await promiseVerifyContents(destFile, expectedContents);
+ }
+
+ // Clean up.
+ destFile.remove(false);
+});
+
+add_task(async function test_enableAppend_setTarget_fast() {
+ // This test checks a fast rename of the target file in append mode.
+ let destFile1 = getTempFile(TEST_FILE_NAME_1);
+ let destFile2 = getTempFile(TEST_FILE_NAME_2);
+
+ // Test the case where the file does not already exists first, then the case
+ // where the file already exists.
+ for (let i = 0; i < 2; i++) {
+ let saver = new BackgroundFileSaverOutputStream();
+ saver.enableAppend();
+ let completionPromise = promiseSaverComplete(saver);
+
+ await promiseCopyToSaver(TEST_DATA_SHORT, saver, true);
+
+ // The first time, we start appending to the first file and rename to the
+ // second file. The second time, we start appending to the second file,
+ // that was created the first time, and rename back to the first file.
+ let firstFile = i == 0 ? destFile1 : destFile2;
+ let secondFile = i == 0 ? destFile2 : destFile1;
+ saver.setTarget(firstFile, false);
+ saver.setTarget(secondFile, false);
+
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+
+ // Verify results.
+ Assert.ok(!firstFile.exists());
+ let expectedContents =
+ i == 0 ? TEST_DATA_SHORT : TEST_DATA_SHORT + TEST_DATA_SHORT;
+ await promiseVerifyContents(secondFile, expectedContents);
+ }
+
+ // Clean up.
+ destFile1.remove(false);
+});
+
+add_task(async function test_enableAppend_hash() {
+ // This test checks append mode, also verifying that the computed hash
+ // includes the contents of the existing data.
+ let destFile = getTempFile(TEST_FILE_NAME_1);
+
+ // Test the case where the file does not already exists first, then the case
+ // where the file already exists.
+ for (let i = 0; i < 2; i++) {
+ let saver = new BackgroundFileSaverOutputStream();
+ saver.enableAppend();
+ saver.enableSha256();
+ let completionPromise = promiseSaverComplete(saver);
+
+ saver.setTarget(destFile, false);
+ await promiseCopyToSaver(TEST_DATA_LONG, saver, true);
+
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+
+ // Verify results.
+ let expectedContents =
+ i == 0 ? TEST_DATA_LONG : TEST_DATA_LONG + TEST_DATA_LONG;
+ await promiseVerifyContents(destFile, expectedContents);
+ Assert.equal(
+ EXPECTED_HASHES[expectedContents.length],
+ toHex(saver.sha256Hash)
+ );
+ }
+
+ // Clean up.
+ destFile.remove(false);
+});
+
+add_task(async function test_finish_only() {
+ // This test checks creating the object and doing nothing.
+ let saver = new BackgroundFileSaverOutputStream();
+ function onTargetChange(aTarget) {
+ do_throw("Should not receive the onTargetChange notification.");
+ }
+ let completionPromise = promiseSaverComplete(saver, onTargetChange);
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+});
+
+add_task(async function test_empty() {
+ // This test checks we still create an empty file when no data is fed.
+ let destFile = getTempFile(TEST_FILE_NAME_1);
+
+ let saver = new BackgroundFileSaverOutputStream();
+ let completionPromise = promiseSaverComplete(saver);
+
+ saver.setTarget(destFile, false);
+ await promiseCopyToSaver("", saver, true);
+
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+
+ // Verify results.
+ Assert.ok(destFile.exists());
+ Assert.equal(destFile.fileSize, 0);
+
+ // Clean up.
+ destFile.remove(false);
+});
+
+add_task(async function test_empty_hash() {
+ // This test checks the hash of an empty file, both in normal and append mode.
+ let destFile = getTempFile(TEST_FILE_NAME_1);
+
+ // Test normal mode first, then append mode.
+ for (let i = 0; i < 2; i++) {
+ let saver = new BackgroundFileSaverOutputStream();
+ if (i == 1) {
+ saver.enableAppend();
+ }
+ saver.enableSha256();
+ let completionPromise = promiseSaverComplete(saver);
+
+ saver.setTarget(destFile, false);
+ await promiseCopyToSaver("", saver, true);
+
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+
+ // Verify results.
+ Assert.equal(destFile.fileSize, 0);
+ Assert.equal(EXPECTED_HASHES[0], toHex(saver.sha256Hash));
+ }
+
+ // Clean up.
+ destFile.remove(false);
+});
+
+add_task(async function test_invalid_hash() {
+ let saver = new BackgroundFileSaverStreamListener();
+ let completionPromise = promiseSaverComplete(saver);
+ // We shouldn't be able to get the hash if hashing hasn't been enabled
+ try {
+ saver.sha256Hash;
+ do_throw("Shouldn't be able to get hash if hashing not enabled");
+ } catch (ex) {
+ if (ex.result != Cr.NS_ERROR_NOT_AVAILABLE) {
+ throw ex;
+ }
+ }
+ // Enable hashing, but don't feed any data to saver
+ saver.enableSha256();
+ let destFile = getTempFile(TEST_FILE_NAME_1);
+ saver.setTarget(destFile, false);
+ // We don't wait on promiseSaverComplete, so the hash getter can run before
+ // or after onSaveComplete is called. However, the expected behavior is the
+ // same in both cases since the hash is only valid when the save completes
+ // successfully.
+ saver.finish(Cr.NS_ERROR_FAILURE);
+ try {
+ saver.sha256Hash;
+ do_throw("Shouldn't be able to get hash if save did not succeed");
+ } catch (ex) {
+ if (ex.result != Cr.NS_ERROR_NOT_AVAILABLE) {
+ throw ex;
+ }
+ }
+ // Wait for completion so that the worker thread finishes dealing with the
+ // target file. We expect it to fail.
+ try {
+ await completionPromise;
+ do_throw("completionPromise should throw");
+ } catch (ex) {
+ if (ex.result != Cr.NS_ERROR_FAILURE) {
+ throw ex;
+ }
+ }
+});
+
+add_task(async function test_signature() {
+ // Check that we get a signature if the saver is finished.
+ let destFile = getTempFile(TEST_FILE_NAME_1);
+
+ let saver = new BackgroundFileSaverOutputStream();
+ let completionPromise = promiseSaverComplete(saver);
+
+ try {
+ saver.signatureInfo;
+ do_throw("Can't get signature if saver is not complete");
+ } catch (ex) {
+ if (ex.result != Cr.NS_ERROR_NOT_AVAILABLE) {
+ throw ex;
+ }
+ }
+
+ saver.enableSignatureInfo();
+ saver.setTarget(destFile, false);
+ await promiseCopyToSaver(TEST_DATA_SHORT, saver, true);
+
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+ await promiseVerifyContents(destFile, TEST_DATA_SHORT);
+
+ // signatureInfo is an empty nsIArray
+ Assert.equal(0, saver.signatureInfo.length);
+
+ // Clean up.
+ destFile.remove(false);
+});
+
+add_task(async function test_signature_not_enabled() {
+ // Check that we get a signature if the saver is finished on Windows.
+ let destFile = getTempFile(TEST_FILE_NAME_1);
+
+ let saver = new BackgroundFileSaverOutputStream();
+ let completionPromise = promiseSaverComplete(saver);
+ saver.setTarget(destFile, false);
+ await promiseCopyToSaver(TEST_DATA_SHORT, saver, true);
+
+ saver.finish(Cr.NS_OK);
+ await completionPromise;
+ try {
+ saver.signatureInfo;
+ do_throw("Can't get signature if not enabled");
+ } catch (ex) {
+ if (ex.result != Cr.NS_ERROR_NOT_AVAILABLE) {
+ throw ex;
+ }
+ }
+
+ // Clean up.
+ destFile.remove(false);
+});
+
+add_task(function test_teardown() {
+ gStillRunning = false;
+});