Revision: 24943
Author: [email protected]
Date: Tue Oct 28 14:12:18 2014 UTC
Log: Classes: Add more tests for prototype edge cases
BUG=3655
LOG=Y
[email protected]
Review URL: https://codereview.chromium.org/687453004
https://code.google.com/p/v8/source/detail?r=24943
Modified:
/branches/bleeding_edge/test/mjsunit/harmony/classes.js
=======================================
--- /branches/bleeding_edge/test/mjsunit/harmony/classes.js Tue Oct 28
13:39:41 2014 UTC
+++ /branches/bleeding_edge/test/mjsunit/harmony/classes.js Tue Oct 28
14:12:18 2014 UTC
@@ -174,6 +174,7 @@
assertEquals('function', typeof descr.value);
assertFalse('prototype' in descr.value);
}
+
function assertGetterDescriptor(object, name) {
var descr = Object.getOwnPropertyDescriptor(object, name);
@@ -388,6 +389,56 @@
assertEquals(2, C.staticM());
})();
+
+(function TestConstructableButNoPrototype() {
+ var Base = function() {}.bind();
+ assertThrows(function() {
+ class C extends Base {}
+ }, TypeError);
+})();
+
+
+(function TestPrototypeGetter() {
+ var calls = 0;
+ var Base = function() {}.bind();
+ Object.defineProperty(Base, 'prototype', {
+ get: function() {
+ calls++;
+ return null;
+ },
+ configurable: true
+ });
+ class C extends Base {}
+ assertEquals(1, calls);
+
+ calls = 0;
+ Object.defineProperty(Base, 'prototype', {
+ get: function() {
+ calls++;
+ return 42;
+ },
+ configurable: true
+ });
+ assertThrows(function() {
+ class C extends Base {}
+ }, TypeError);
+ assertEquals(1, calls);
+})();
+
+
+(function TestPrototypeSetter() {
+ var Base = function() {}.bind();
+ Object.defineProperty(Base, 'prototype', {
+ set: function() {
+ assertUnreachable();
+ }
+ });
+ assertThrows(function() {
+ class C extends Base {}
+ }, TypeError);
+})();
+
+
/* TODO(arv): Implement
(function TestNameBindingInConstructor() {
class C {
--
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