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
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
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//       with the distribution.
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//
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

var setter_value = 0;

this.__defineSetter__("a", function(v) { setter_value = v; });
eval("var a = 1");
assertEquals(1, setter_value);
assertFalse("value" in Object.getOwnPropertyDescriptor(this, "a"));

eval("with({}) { eval('var a = 2') }");
assertTrue("get" in Object.getOwnPropertyDescriptor(this, "a"));
assertFalse("value" in Object.getOwnPropertyDescriptor(this, "a"));
assertEquals(2, setter_value);

// Function declarations are treated specially to match Safari. We do
// not call setters for them.
this.__defineSetter__("a", function(v) { assertUnreachable(); });
eval("function a() {}");
assertTrue("value" in Object.getOwnPropertyDescriptor(this, "a"));

this.__defineSetter__("b", function(v) { setter_value = v; });
try {
  eval("const b = 3");
} catch(e) { }
assertEquals(2, setter_value);

try {
  eval("with({}) { eval('const b = 23') }");
} catch(e) {
  assertInstanceof(e, TypeError);
}

this.__defineSetter__("c", function(v) { throw 42; });
try {
  eval("var c = 1");
  assertUnreachable();
} catch(e) {
  assertEquals(42, e);
  assertFalse("value" in Object.getOwnPropertyDescriptor(this, "c"));
}




__proto__.__defineSetter__("aa", function(v) { assertUnreachable(); });
eval("var aa = 1");
assertTrue(this.hasOwnProperty("aa"));

__proto__.__defineSetter__("bb", function(v) { assertUnreachable(); });
eval("with({}) { eval('var bb = 2') }");
assertTrue(this.hasOwnProperty("bb"));

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

__proto__.__defineSetter__("dd", function(v) { assertUnreachable(); });
try {
  eval("const dd = 23");
} catch(e) {
  assertUnreachable();
}

try {
  eval("with({}) { eval('const dd = 23') }");
} catch(e) {
  assertInstanceof(e, TypeError);
}