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// for-of does not trigger the JS 1.7 for-in destructuring special case.
var data = [[1, 2, 3], [4, 5, 6, 7]];
function test(vars, expr, result) {
var s = '';
eval("for (" + vars + " of data) s += (" + expr + ") + ';';");
assertEq(s, result);
}
for (var prefix of ["var ", "let ", ""]) {
test(prefix + "[a, b, c]",
"a + ',' + b + ',' + c",
"1,2,3;4,5,6;");
}
test("var [a]", "a", "1;4;");
test("var {length: len}", "len", "3;4;");
test("var {length}", "length", "3;4;");
test("{}", "0", "0;0;");