v8/test/mjsunit/regress/regress-1170.js

// Copyright 2011 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
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//
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var setter_value = 0;

__proto__.__defineSetter__("a", function(v) { setter_value = v; });
eval("var a = 1");
assertEquals(1, setter_value);
assertFalse(this.hasOwnProperty("a"));

eval("with({}) { eval('var a = 2') }");
assertEquals(2, setter_value);
assertFalse(this.hasOwnProperty("a"));

// Function declarations are treated specially to match Safari. We do
// not call setters for them.
eval("function a() {}");
assertTrue(this.hasOwnProperty("a"));

__proto__.__defineSetter__("b", function(v) { assertUnreachable(); });
var exception = false;
try {
  eval("const b = 23");
} catch(e) {
  exception = true;
  assertTrue(/TypeError/.test(e));
}
assertFalse(exception);

exception = false;
try {
  eval("with({}) { eval('const b = 23') }");
} catch(e) {
  exception = true;
  assertTrue(/TypeError/.test(e));
}
assertTrue(exception);

__proto__.__defineSetter__("c", function(v) { throw 42; });
exception = false;
try {
  eval("var c = 1");
} catch(e) {
  exception = true;
  assertEquals(42, e);
  assertFalse(this.hasOwnProperty("c"));
}
assertTrue(exception);