1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit-test/tests/jaeger/inline/stringCharAt.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,49 @@
1.4 +
1.5 +assertEq("foo".charAt(-123), "");
1.6 +assertEq("foo".charAt(-1), "");
1.7 +assertEq("foo".charAt(0), "f");
1.8 +assertEq("foo".charAt(1), "o");
1.9 +assertEq("foo".charAt(2), "o");
1.10 +assertEq("foo".charAt(3.4), "");
1.11 +assertEq("foo".charAt(), "f");
1.12 +assertEq("".charAt(), "");
1.13 +assertEq("".charAt(0), "");
1.14 +assertEq("abc\u9123".charAt(3), "\u9123"); // char without unit string
1.15 +
1.16 +/* Inferred as string.charAt(int). */
1.17 +function charAt1(x) {
1.18 + return "abc".charAt(x);
1.19 +}
1.20 +assertEq(charAt1(-1), "");
1.21 +assertEq(charAt1(0), "a");
1.22 +assertEq(charAt1(1), "b");
1.23 +assertEq(charAt1(2), "c");
1.24 +assertEq(charAt1(3), "");
1.25 +assertEq(charAt1(1234), "");
1.26 +
1.27 +/* Inferred as string.charAt(double). */
1.28 +function charAt2(x) {
1.29 + return "abc".charAt(x);
1.30 +}
1.31 +assertEq(charAt2(-1.3), "");
1.32 +assertEq(charAt2(-0), "a");
1.33 +assertEq(charAt2(2), "c");
1.34 +assertEq(charAt2(2.3), "c");
1.35 +assertEq(charAt2(3.14), "");
1.36 +assertEq(charAt2(NaN), "a");
1.37 +
1.38 +/* Test ropes. */
1.39 +function charAt3(s, i) {
1.40 + var s2 = "abcdef" + s + "12345";
1.41 + return s2.charAt(i);
1.42 +}
1.43 +assertEq(charAt3("abcdef", 14), "3");
1.44 +assertEq(charAt3("a" + "b", 1), "b");
1.45 +assertEq(charAt3("abcdefg" + "hijklmnop", 10), "e");
1.46 +
1.47 +/* Other 'this'. */
1.48 +var arr = [1, 2];
1.49 +arr.charAt = String.prototype.charAt;
1.50 +assertEq(arr.charAt(1), ",");
1.51 +
1.52 +
