src/v8/test/mjsunit/regress/regress-1973.js

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// Test that getters and setters pass unwrapped this values in strict mode
// and wrapped this values is non-strict mode.

function TestAccessorWrapping(primitive) {
  var prototype = Object.getPrototypeOf(Object(primitive))
  // Check that strict mode passes unwrapped this value.
  var strict_type = typeof primitive;
  Object.defineProperty(prototype, "strict", {
    get: function() { "use strict"; assertSame(strict_type, typeof this); },
    set: function() { "use strict"; assertSame(strict_type, typeof this); }
  });
  primitive.strict = primitive.strict;
  // Check that non-strict mode passes wrapped this value.
  var sloppy_type = typeof Object(primitive);
  Object.defineProperty(prototype, "sloppy", {
    get: function() { assertSame(sloppy_type, typeof this); },
    set: function() { assertSame(sloppy_type, typeof this); }
  });
  primitive.sloppy = primitive.sloppy;
}

TestAccessorWrapping(true);
TestAccessorWrapping(0);
TestAccessorWrapping({});
TestAccessorWrapping("");