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-rw-r--r--js/src/tests/non262/class/superPropNoOverwriting.js58
1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/tests/non262/class/superPropNoOverwriting.js b/js/src/tests/non262/class/superPropNoOverwriting.js
new file mode 100644
index 0000000000..db44b509c5
--- /dev/null
+++ b/js/src/tests/non262/class/superPropNoOverwriting.js
@@ -0,0 +1,58 @@
+class X {
+ constructor() {
+ Object.defineProperty(this, "prop1", {
+ configurable: true,
+ writable: false,
+ value: 1
+ });
+
+ Object.defineProperty(this, "prop2", {
+ configurable: true,
+ get: function() { return 15; }
+ });
+
+ Object.defineProperty(this, "prop3", {
+ configurable: true,
+ set: function(a) { }
+ });
+
+ Object.defineProperty(this, "prop4", {
+ configurable: true,
+ get: function() { return 20; },
+ set: function(a) { }
+ });
+ }
+
+ f1() {
+ super.prop1 = 2;
+ }
+
+ f2() {
+ super.prop2 = 3;
+ }
+
+ f3() {
+ super.prop3 = 4;
+ }
+
+ f4() {
+ super.prop4 = 5;
+ }
+}
+
+var x = new X();
+
+assertThrowsInstanceOf(() => x.f1(), TypeError);
+assertEq(x.prop1, 1);
+
+assertThrowsInstanceOf(() => x.f2(), TypeError);
+assertEq(x.prop2, 15);
+
+assertThrowsInstanceOf(() => x.f3(), TypeError);
+assertEq(x.prop3, undefined);
+
+assertThrowsInstanceOf(() => x.f4(), TypeError);
+assertEq(x.prop4, 20);
+
+if (typeof reportCompare === 'function')
+ reportCompare(0,0,"OK");