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-rw-r--r--js/src/tests/non262/class/uninitializedThisError.js53
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/tests/non262/class/uninitializedThisError.js b/js/src/tests/non262/class/uninitializedThisError.js
new file mode 100644
index 0000000000..658ef8002c
--- /dev/null
+++ b/js/src/tests/non262/class/uninitializedThisError.js
@@ -0,0 +1,53 @@
+function checkErr(f) {
+ var expected = "must call super constructor before using 'this' in derived class constructor";
+ try {
+ f();
+ assertEq(0, 1);
+ } catch (e) {
+ assertEq(e.name, "ReferenceError");
+ assertEq(e.message, expected);
+ }
+}
+class TestNormal extends class {} {
+ constructor() { this; }
+}
+checkErr(() => new TestNormal());
+
+class TestEval extends class {} {
+ constructor() { eval("this") }
+}
+checkErr(() => new TestEval());
+
+class TestNestedEval extends class {} {
+ constructor() { eval("eval('this')") }
+}
+checkErr(() => new TestNestedEval());
+
+checkErr(() => {
+ new class extends class {} {
+ constructor() { eval("this") }
+ }
+});
+
+class TestArrow extends class {} {
+ constructor() { (() => this)(); }
+}
+checkErr(() => new TestArrow());
+
+class TestArrowEval extends class {} {
+ constructor() { (() => eval("this"))(); }
+}
+checkErr(() => new TestArrowEval());
+
+class TestEvalArrow extends class {} {
+ constructor() { eval("(() => this)()"); }
+}
+checkErr(() => new TestEvalArrow());
+
+class TestTypeOf extends class {} {
+ constructor() { eval("typeof this"); }
+}
+checkErr(() => new TestTypeOf());
+
+if (typeof reportCompare === 'function')
+ reportCompare(0, 0);