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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-01.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-01.js')
-rw-r--r--js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-01.js59
1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-01.js b/js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-01.js
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+++ b/js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-01.js
@@ -0,0 +1,59 @@
+// getOwnPropertyDescriptor works with simple data properties.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var hits;
+var expected;
+dbg.onDebuggerStatement = function (frame) {
+ var args = frame.arguments;
+ var obj = args[0], id = args[1];
+ var desc = obj.getOwnPropertyDescriptor(id);
+ if (expected === undefined) {
+ assertEq(desc, undefined);
+ } else {
+ assertEq(desc instanceof Object, true);
+ assertEq(desc.enumerable, expected.enumerable);
+ assertEq(desc.configurable, expected.configurable);
+ assertEq(desc.hasOwnProperty("value"), true);
+ assertEq(desc.value, expected.value);
+ assertEq(desc.writable, expected.writable === undefined ? true : expected.writable);
+ assertEq("get" in desc, false);
+ assertEq("set" in desc, false);
+ }
+ hits++;
+};
+
+g.eval("function f(obj, id) { debugger; }");
+
+function test(obj, id, desc) {
+ expected = desc;
+ hits = 0;
+ g.f(obj, id);
+ assertEq(hits, 1);
+}
+
+var obj = g.eval("({a: 1, ' ': undefined, '0': 0})");
+test(obj, "a", {value: 1, enumerable: true, configurable: true});
+test(obj, " ", {value: undefined, enumerable: true, configurable: true});
+test(obj, "b", undefined);
+test(obj, "0", {value: 0, enumerable: true, configurable: true});
+test(obj, 0, {value: 0, enumerable: true, configurable: true});
+
+var arr = g.eval("[7,,]");
+test(arr, 'length', {value: 2, enumerable: false, configurable: false});
+test(arr, 0, {value: 7, enumerable: true, configurable: true});
+test(arr, "0", {value: 7, enumerable: true, configurable: true});
+test(arr, 1, undefined);
+test(arr, "1", undefined);
+test(arr, 2, undefined);
+test(arr, "2", undefined);
+test(arr, "argelfraster", undefined);
+
+var re = g.eval("/erwe/");
+test(re, 'lastIndex', {value: 0, enumerable: false, configurable: false});
+
+// String objects have a well-behaved resolve hook.
+var str = g.eval("new String('hello world')");
+test(str, 'length', {value: 11, enumerable: false, configurable: false, writable: false});
+test(str, 0, {value: 'h', enumerable: true, configurable: false, writable: false});
+test(str, "0", {value: 'h', enumerable: true, configurable: false, writable: false});