Tests basic correctness of ES WeakMap object

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS WeakMap instanceof WeakMap is false
PASS WeakMap.prototype instanceof WeakMap is false
PASS new WeakMap() instanceof WeakMap is true
PASS WeakMap() threw exception TypeError: Function is not a function (evaluating 'WeakMap()').
PASS map.set(0, 1) threw exception TypeError: Attempted to set a non-object key in a WeakMap.
PASS map.set(0.5, 1) threw exception TypeError: Attempted to set a non-object key in a WeakMap.
PASS map.set('foo', 1) threw exception TypeError: Attempted to set a non-object key in a WeakMap.
PASS map.set(true, 1) threw exception TypeError: Attempted to set a non-object key in a WeakMap.
PASS map.set(false, 1) threw exception TypeError: Attempted to set a non-object key in a WeakMap.
PASS map.set(null, 1) threw exception TypeError: Attempted to set a non-object key in a WeakMap.
PASS map.set(undefined, 1) threw exception TypeError: Attempted to set a non-object key in a WeakMap.
PASS map.get(0) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.get(0.5) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.get('foo') threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.get(true) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.get(false) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.get(null) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.get(undefined) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.has(0) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.has(0.5) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.has('foo') threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.has(true) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.has(false) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.has(null) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.has(undefined) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.delete(0) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.delete(0.5) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.delete('foo') threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.delete(true) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.delete(false) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.delete(null) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.delete(undefined) threw exception TypeError: A WeakMap cannot have a non-object key.
PASS map.set(new String('foo'), 'foo') is map
PASS map.get(new String('foo')) is undefined
PASS map.has(new String('foo')) is false
PASS Math.abs(currentObjectCount - keyLessObjectCount) < 100 is true
PASS (keyLessObjectCount - valueLessObjectCount) > 1500 is true
PASS successfullyParsed is true

TEST COMPLETE