Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(520)

Unified Diff: test/mjsunit/harmony/default-parameters-debug.js

Issue 1287063004: [es6] Implement default parameters (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix TODO Created 5 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: test/mjsunit/harmony/default-parameters-debug.js
diff --git a/test/mjsunit/harmony/default-parameters-debug.js b/test/mjsunit/harmony/default-parameters-debug.js
new file mode 100644
index 0000000000000000000000000000000000000000..ce9e62662189198c18060ffd70fe2e7b037f97f6
--- /dev/null
+++ b/test/mjsunit/harmony/default-parameters-debug.js
@@ -0,0 +1,58 @@
+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --expose-debug-as debug --harmony-default-parameters
+
+// Get the Debug object exposed from the debug context global object.
+Debug = debug.Debug
+
+listenerComplete = false;
+breakPointCount = 0;
+
+function listener(event, exec_state, event_data, data) {
+ if (event == Debug.DebugEvent.Break) {
+ breakPointCount++;
+ if (breakPointCount == 1) {
+ // Break point in initializer for parameter `a`, invoked by
+ // initializer for parameter `b`
+ assertEquals('default', exec_state.frame(1).evaluate('mode').value());
+
+ // initializer for `b` can't refer to `b`
+ assertThrows(function() {
+ exec_state.frame(1).evaluate('b').value();
+ }, ReferenceError);
+
+ assertThrows(function() {
+ exec_state.frame(1).evaluate('c');
+ }, ReferenceError);
+ } else if (breakPointCount == 2) {
+ // Break point in IIFE initializer for parameter `c`
+ assertEquals('modeFn', exec_state.frame(1).evaluate('a.name').value());
+ assertEquals('default', exec_state.frame(1).evaluate('b').value());
+ assertThrows(function() {
+ exec_state.frame(1).evaluate('c');
+ }, ReferenceError);
+ } else if (breakPointCount == 3) {
+ // Break point in function body --- `c` parameter is shadowed
+ assertEquals('modeFn', exec_state.frame(0).evaluate('a.name').value());
+ assertEquals('default', exec_state.frame(0).evaluate('b').value());
+ assertEquals('local', exec_state.frame(0).evaluate('d').value());
+ }
+ }
+};
+
+// Add the debug event listener.
+Debug.setListener(listener);
+
+function f(a = function modeFn(mode) { debugger; return mode; },
+ b = a("default"),
+ c = (function() { debugger; })()) {
+ var d = 'local';
+ debugger;
+};
+
+f();
+
+// Make sure that the debug event listener vas invoked.
+assertEquals(3, breakPointCount);

Powered by Google App Engine
This is Rietveld 408576698