[jsinterp] Mozilla-central test first try

This commit is contained in:
sulyi 2016-12-10 16:25:51 +01:00
parent f942bb3fa6
commit 9b5e55a45a

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@ -547,6 +547,31 @@ class TestJSInterpreterParser(unittest.TestCase):
]
self.assertEqual(list(jsi.statements()), ast)
def test_unshift(self):
# https://hg.mozilla.org/mozilla-central/file/tip/js/src/tests/ecma_5/Array/unshift-01.js
jsi = JSInterpreter(
'''var MAX_LENGTH = 0xffffffff;
var a = {};
a.length = MAX_LENGTH + 1;
assertEq([].unshift.call(a), MAX_LENGTH);
assertEq(a.length, MAX_LENGTH);
function testGetSet(len, expected) {
var newlen;
var a = { get length() { return len; }, set length(v) { newlen = v; } };
var res = [].unshift.call(a);
assertEq(res, expected);
assertEq(newlen, expected);
}
testGetSet(0, 0);
testGetSet(10, 10);
testGetSet("1", 1);
testGetSet(null, 0);
testGetSet(MAX_LENGTH + 2, MAX_LENGTH);
testGetSet(-5, 0);''')
jsi.statements()
if __name__ == '__main__':
unittest.main()