Merge V8 5.3.332.45. DO NOT MERGE
Test: Manual
FPIIM-449
Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/test/mjsunit/harmony/mirror-async-function-promise.js b/test/mjsunit/harmony/mirror-async-function-promise.js
new file mode 100644
index 0000000..966b0ce
--- /dev/null
+++ b/test/mjsunit/harmony/mirror-async-function-promise.js
@@ -0,0 +1,93 @@
+// Copyright 2016 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-async-await --allow-natives-syntax
+// Test the mirror object for promises.
+
+var AsyncFunction = (async function() {}).constructor;
+
+function MirrorRefCache(json_refs) {
+ var tmp = eval('(' + json_refs + ')');
+ this.refs_ = [];
+ for (var i = 0; i < tmp.length; i++) {
+ this.refs_[tmp[i].handle] = tmp[i];
+ }
+}
+
+MirrorRefCache.prototype.lookup = function(handle) {
+ return this.refs_[handle];
+}
+
+function testPromiseMirror(promise, status, value) {
+ // Create mirror and JSON representation.
+ var mirror = debug.MakeMirror(promise);
+ var serializer = debug.MakeMirrorSerializer();
+ var json = JSON.stringify(serializer.serializeValue(mirror));
+ var refs = new MirrorRefCache(
+ JSON.stringify(serializer.serializeReferencedObjects()));
+
+ // Check the mirror hierachy.
+ assertTrue(mirror instanceof debug.Mirror);
+ assertTrue(mirror instanceof debug.ValueMirror);
+ assertTrue(mirror instanceof debug.ObjectMirror);
+ assertTrue(mirror instanceof debug.PromiseMirror);
+
+ // Check the mirror properties.
+ assertEquals(status, mirror.status());
+ assertTrue(mirror.isPromise());
+ assertEquals('promise', mirror.type());
+ assertFalse(mirror.isPrimitive());
+ assertEquals("Object", mirror.className());
+ assertEquals("#<Promise>", mirror.toText());
+ assertSame(promise, mirror.value());
+ assertTrue(mirror.promiseValue() instanceof debug.Mirror);
+ assertEquals(value, mirror.promiseValue().value());
+
+ // Parse JSON representation and check.
+ var fromJSON = eval('(' + json + ')');
+ assertEquals('promise', fromJSON.type);
+ assertEquals('Object', fromJSON.className);
+ assertEquals('function', refs.lookup(fromJSON.constructorFunction.ref).type);
+ assertEquals('Promise', refs.lookup(fromJSON.constructorFunction.ref).name);
+ assertEquals(status, fromJSON.status);
+ assertEquals(value, refs.lookup(fromJSON.promiseValue.ref).value);
+}
+
+// Test a number of different promises.
+var resolved = (async function() {})();
+var rejected = (async function() { throw undefined; })();
+var pending = (async function() { await 1; })();
+
+testPromiseMirror(resolved, "resolved", undefined);
+testPromiseMirror(rejected, "rejected", undefined);
+testPromiseMirror(pending, "pending", undefined);
+
+var resolvedv = (async function() { return "resolve"; })();
+var rejectedv = (async function() { return Promise.reject("reject"); })();
+var thrownv = (async function() { throw "throw"; })();
+
+testPromiseMirror(resolvedv, "resolved", 'resolve');
+testPromiseMirror(rejectedv, "rejected", 'reject');
+testPromiseMirror(thrownv, "rejected", 'throw');
+
+// Test internal properties of different promises.
+var m1 = debug.MakeMirror((async function() { return 1; })());
+var ip = m1.internalProperties();
+assertEquals(2, ip.length);
+assertEquals("[[PromiseStatus]]", ip[0].name());
+assertEquals("[[PromiseValue]]", ip[1].name());
+assertEquals("resolved", ip[0].value().value());
+assertEquals(1, ip[1].value().value());
+
+var m2 = debug.MakeMirror((async function() { throw 2; })());
+ip = m2.internalProperties();
+assertEquals("rejected", ip[0].value().value());
+assertEquals(2, ip[1].value().value());
+
+var m3 = debug.MakeMirror((async function() { await 1; })());
+ip = m3.internalProperties();
+assertEquals("pending", ip[0].value().value());
+assertEquals("undefined", typeof(ip[1].value().value()));
+
+%RunMicrotasks();