Add m-esr52 at 52.6.0

1 files changed, 83 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Class/methDefnGen.js b/js/src/tests/ecma_6/Class/methDefnGen.js
new file mode 100644
index 000000000..3165ed448
--- /dev/null
+++ b/js/src/tests/ecma_6/Class/methDefnGen.js
@@ -0,0 +1,83 @@
+var BUGNUMBER = 924672;
+var summary = 'Method Definitions - Generators'
+
+print(BUGNUMBER + ": " + summary);
+
+// Function definitions.
+function syntaxError (script) {
+    try {
+        Function(script);
+    } catch (e) {
+        if (e instanceof SyntaxError) {
+            return;
+        }
+    }
+    throw new Error('Expected syntax error: ' + script);
+}
+
+
+// Tests begin.
+
+syntaxError("{*a(){}}");
+syntaxError("b = {*(){}");
+syntaxError("b = {*{}");
+syntaxError("b = {*){}");
+syntaxError("b = {*({}");
+syntaxError("b = {*(){");
+syntaxError("b = {*()}");
+syntaxError("b = {*a(");
+syntaxError("b = {*a)");
+syntaxError("b = {*a(}");
+syntaxError("b = {*a)}");
+syntaxError("b = {*a()");
+syntaxError("b = {*a()}");
+syntaxError("b = {*a(){}");
+syntaxError("b = {*a){}");
+syntaxError("b = {*a}}");
+syntaxError("b = {*a{}}");
+syntaxError("b = {*a({}}");
+syntaxError("b = {*a@(){}}");
+syntaxError("b = {*@(){}}");
+syntaxError("b = {*get a(){}}");
+syntaxError("b = {get *a(){}}");
+syntaxError("b = {get a*(){}}");
+syntaxError("b = {*set a(c){}}");
+syntaxError("b = {set *a(c){}}");
+syntaxError("b = {set a*(c){}}");
+syntaxError("b = {*a : 1}");
+syntaxError("b = {a* : 1}");
+syntaxError("b = {a :* 1}");
+syntaxError("b = {a*(){}}");
+
+// Generator methods.
+b = { * g() {
+    var a = { [yield 1]: 2, [yield 2]: 3};
+    return a;
+} }
+var it = b.g();
+var next = it.next();
+assertEq(next.done, false);
+assertEq(next.value, 1);
+next = it.next("hello");
+assertEq(next.done, false);
+assertEq(next.value, 2);
+next = it.next("world");
+assertEq(next.done, true);
+assertEq(next.value.hello, 2);
+assertEq(next.value.world, 3);
+
+// prototype property
+assertEq(b.g.hasOwnProperty("prototype"), true);
+
+// Strict mode
+a = {*b(c){"use strict";yield c;}};
+assertEq(a.b(1).next().value, 1);
+a = {*["b"](c){"use strict";return c;}};
+assertEq(a.b(1).next().value, 1);
+
+// Generators should not have [[Construct]]
+a = {*g() { yield 1; }}
+assertThrowsInstanceOf(() => { new a.g }, TypeError);
+
+if (typeof reportCompare === 'function')
+    reportCompare(0, 0, "ok");