js/src/jit-test/tests/jaeger/inline/stringCharAt.js@6474c204b198 (annotated)
js/src/jit-test/tests/jaeger/inline/stringCharAt.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | |
| michael@0 | 2 | assertEq("foo".charAt(-123), ""); |
| michael@0 | 3 | assertEq("foo".charAt(-1), ""); |
| michael@0 | 4 | assertEq("foo".charAt(0), "f"); |
| michael@0 | 5 | assertEq("foo".charAt(1), "o"); |
| michael@0 | 6 | assertEq("foo".charAt(2), "o"); |
| michael@0 | 7 | assertEq("foo".charAt(3.4), ""); |
| michael@0 | 8 | assertEq("foo".charAt(), "f"); |
| michael@0 | 9 | assertEq("".charAt(), ""); |
| michael@0 | 10 | assertEq("".charAt(0), ""); |
| michael@0 | 11 | assertEq("abc\u9123".charAt(3), "\u9123"); // char without unit string |
| michael@0 | 12 | |
| michael@0 | 13 | /* Inferred as string.charAt(int). */ |
| michael@0 | 14 | function charAt1(x) { |
| michael@0 | 15 | return "abc".charAt(x); |
| michael@0 | 16 | } |
| michael@0 | 17 | assertEq(charAt1(-1), ""); |
| michael@0 | 18 | assertEq(charAt1(0), "a"); |
| michael@0 | 19 | assertEq(charAt1(1), "b"); |
| michael@0 | 20 | assertEq(charAt1(2), "c"); |
| michael@0 | 21 | assertEq(charAt1(3), ""); |
| michael@0 | 22 | assertEq(charAt1(1234), ""); |
| michael@0 | 23 | |
| michael@0 | 24 | /* Inferred as string.charAt(double). */ |
| michael@0 | 25 | function charAt2(x) { |
| michael@0 | 26 | return "abc".charAt(x); |
| michael@0 | 27 | } |
| michael@0 | 28 | assertEq(charAt2(-1.3), ""); |
| michael@0 | 29 | assertEq(charAt2(-0), "a"); |
| michael@0 | 30 | assertEq(charAt2(2), "c"); |
| michael@0 | 31 | assertEq(charAt2(2.3), "c"); |
| michael@0 | 32 | assertEq(charAt2(3.14), ""); |
| michael@0 | 33 | assertEq(charAt2(NaN), "a"); |
| michael@0 | 34 | |
| michael@0 | 35 | /* Test ropes. */ |
| michael@0 | 36 | function charAt3(s, i) { |
| michael@0 | 37 | var s2 = "abcdef" + s + "12345"; |
| michael@0 | 38 | return s2.charAt(i); |
| michael@0 | 39 | } |
| michael@0 | 40 | assertEq(charAt3("abcdef", 14), "3"); |
| michael@0 | 41 | assertEq(charAt3("a" + "b", 1), "b"); |
| michael@0 | 42 | assertEq(charAt3("abcdefg" + "hijklmnop", 10), "e"); |
| michael@0 | 43 | |
| michael@0 | 44 | /* Other 'this'. */ |
| michael@0 | 45 | var arr = [1, 2]; |
| michael@0 | 46 | arr.charAt = String.prototype.charAt; |
| michael@0 | 47 | assertEq(arr.charAt(1), ","); |
| michael@0 | 48 | |
| michael@0 | 49 |
