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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
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tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/basic/constAssignError.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/basic/constAssignError.js')
-rw-r--r--js/src/jit-test/tests/basic/constAssignError.js23
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/constAssignError.js b/js/src/jit-test/tests/basic/constAssignError.js
new file mode 100644
index 000000000..3e93fb464
--- /dev/null
+++ b/js/src/jit-test/tests/basic/constAssignError.js
@@ -0,0 +1,23 @@
+// Can't assign to const is a runtime TypeError
+
+load(libdir + 'asserts.js');
+
+function assertTypeError(str) {
+ assertThrowsInstanceOf(function () { eval(str); }, TypeError);
+}
+
+assertTypeError("(function() { const x = 3; (() => x++)(); return x })()");
+assertTypeError("(function() { const x = 3; (() => x++)(); return x++ })()");
+assertTypeError("(function() { const x = 2; (() => x++)(); return ++x })()");
+assertTypeError("(function() { const x = 2; (() => x++)(); return x += 1 })()");
+
+assertTypeError("(function() { const x = 3; x = 1; return (function() { return x})() })()");
+assertTypeError("(function() { const x = 3; x = 1; return (function() { return x})() })()");
+assertTypeError("(function() { const x = 3; x++; return (function() { return x})() })()");
+assertTypeError("(function() { const x = 3; ++x; return (function() { return x})() })()");
+assertTypeError("(function() { const x = 3; x--; return (function() { return x})() })()");
+assertTypeError("(function() { const x = 3; --x; return (function() { return x})() })()");
+assertTypeError("(function() { const x = 3; x += 1; return (function() { return x})() })()");
+assertTypeError("(function() { const x = 3; x -= 1; return (function() { return x})() })()");
+
+assertTypeError("(function() { const x = 3; [x] = [1]; })()");