Add Promises/A+ Compliance Test Suite.

Add Promises/A+ Compliance Test Suite.

This CL introduces Promises/A+ tests[1].
This CL doesn't contain the test itself: it will be downloaded by test cfg.py.
This CL includes some helper JS functions to run the test in d8 shell.

[1]: https://github.com/promises-aplus/promises-tests

BUG=347095
LOG=Y
R=rossberg@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=19973

[rossberg, 2014-03-14 13:10:51]

LGTM. Thanks!

[rossberg, 2014-03-17 10:03:10]

Committed patchset #3 manually as r19973 (presubmit successful).

[Jakob Kummerow, 2014-04-24 14:14:53]

https://codereview.chromium.org/196733002/diff/40001/test/promises-aplus/test...
File test/promises-aplus/testcfg.py (right):

https://codereview.chromium.org/196733002/diff/40001/test/promises-aplus/test...
test/promises-aplus/testcfg.py:88: return 'print("FAIL: fail");'
I don't think this is working as intended ;-)

[yhirano, 2014-04-24 14:35:38]

https://codereview.chromium.org/196733002/diff/40001/test/promises-aplus/test...
File test/promises-aplus/testcfg.py (right):

https://codereview.chromium.org/196733002/diff/40001/test/promises-aplus/test...
test/promises-aplus/testcfg.py:88: return 'print("FAIL: fail");'
On 2014/04/24 14:14:53, Jakob wrote:
> I don't think this is working as intended ;-)

Oh thanks, you are right. It may be a remnant of printf debug...

[yhirano, 2014-04-25 06:31:24]

https://codereview.chromium.org/258763002/