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comparison: js/src/jit-test/tests/jaeger/inline/stringCharAt.js
js/src/jit-test/tests/jaeger/inline/stringCharAt.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:a4f222e2db4a |
|---|---|
| 1 | |
| 2 assertEq("foo".charAt(-123), ""); | |
| 3 assertEq("foo".charAt(-1), ""); | |
| 4 assertEq("foo".charAt(0), "f"); | |
| 5 assertEq("foo".charAt(1), "o"); | |
| 6 assertEq("foo".charAt(2), "o"); | |
| 7 assertEq("foo".charAt(3.4), ""); | |
| 8 assertEq("foo".charAt(), "f"); | |
| 9 assertEq("".charAt(), ""); | |
| 10 assertEq("".charAt(0), ""); | |
| 11 assertEq("abc\u9123".charAt(3), "\u9123"); // char without unit string | |
| 12 | |
| 13 /* Inferred as string.charAt(int). */ | |
| 14 function charAt1(x) { | |
| 15 return "abc".charAt(x); | |
| 16 } | |
| 17 assertEq(charAt1(-1), ""); | |
| 18 assertEq(charAt1(0), "a"); | |
| 19 assertEq(charAt1(1), "b"); | |
| 20 assertEq(charAt1(2), "c"); | |
| 21 assertEq(charAt1(3), ""); | |
| 22 assertEq(charAt1(1234), ""); | |
| 23 | |
| 24 /* Inferred as string.charAt(double). */ | |
| 25 function charAt2(x) { | |
| 26 return "abc".charAt(x); | |
| 27 } | |
| 28 assertEq(charAt2(-1.3), ""); | |
| 29 assertEq(charAt2(-0), "a"); | |
| 30 assertEq(charAt2(2), "c"); | |
| 31 assertEq(charAt2(2.3), "c"); | |
| 32 assertEq(charAt2(3.14), ""); | |
| 33 assertEq(charAt2(NaN), "a"); | |
| 34 | |
| 35 /* Test ropes. */ | |
| 36 function charAt3(s, i) { | |
| 37 var s2 = "abcdef" + s + "12345"; | |
| 38 return s2.charAt(i); | |
| 39 } | |
| 40 assertEq(charAt3("abcdef", 14), "3"); | |
| 41 assertEq(charAt3("a" + "b", 1), "b"); | |
| 42 assertEq(charAt3("abcdefg" + "hijklmnop", 10), "e"); | |
| 43 | |
| 44 /* Other 'this'. */ | |
| 45 var arr = [1, 2]; | |
| 46 arr.charAt = String.prototype.charAt; | |
| 47 assertEq(arr.charAt(1), ","); | |
| 48 | |
| 49 |
