The Tor Browser: js/src/jit-test/tests/jaeger/inline/stringCharCodeAt.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     2 assertEq("foo".charCodeAt(-123), NaN);

     3 assertEq("foo".charCodeAt(-0), 102);

     4 assertEq("foo".charCodeAt(0), 102);

     5 assertEq("foo".charCodeAt(2), 111);

     6 assertEq("foo".charCodeAt(3.4), NaN);

     7 assertEq("foo".charCodeAt(), 102);

     8 assertEq("".charCodeAt(), NaN);

     9 assertEq("".charCodeAt(0), NaN);

    11 /* Inferred as string.charCodeAt(int). */

    12 function charCodeAt1(x) {

    13     return "abc".charCodeAt(x);

    14 }

    15 assertEq(charCodeAt1(-1), NaN);

    16 assertEq(charCodeAt1(0), 97);

    17 assertEq(charCodeAt1(1), 98);

    18 assertEq(charCodeAt1(2), 99);

    19 assertEq(charCodeAt1(3), NaN);

    20 assertEq(charCodeAt1(1234), NaN);

    22 /* Inferred as string.charCodeAt(double). */

    23 function charCodeAt2(x) {

    24     return "abc".charCodeAt(x);

    25 }

    26 assertEq(charCodeAt2(-1.3), NaN);

    27 assertEq(charCodeAt2(-0), 97);

    28 assertEq(charCodeAt2(2), 99);

    29 assertEq(charCodeAt2(2.3), 99);

    30 assertEq(charCodeAt2(3.14), NaN);

    31 assertEq(charCodeAt2(NaN), 97);

    33 /* Test ropes. */

    34 function charCodeAt3(s, i) {

    35     var s2 = "abcdef" + s + "12345";

    36     return s2.charCodeAt(i);

    37 }

    38 assertEq(charCodeAt3("abcdef", 14), 51);

    39 assertEq(charCodeAt3("a" + "b", 1), 98);

    40 assertEq(charCodeAt3("abcdefg" + "hijklmnop", 10), 101);

    42 /* Other 'this'. */

    43 var n = new Number(123);

    44 n.charCodeAt = String.prototype.charCodeAt;

    45 assertEq(n.charCodeAt(1), 50);

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