The Tor Browser / file comparison
comparison: js/src/jit-test/tests/basic/constant-folding-1.js
js/src/jit-test/tests/basic/constant-folding-1.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:d55a456e668a |
|---|---|
| 1 function bytecode(f) { | |
| 2 if (typeof disassemble !== "function") | |
| 3 return "unavailable"; | |
| 4 var d = disassemble(f); | |
| 5 return d.slice(d.indexOf("main:"), d.indexOf("\n\n")); | |
| 6 } | |
| 7 assertEq(bytecode(() => "hello" + "world"), | |
| 8 bytecode(() => "helloworld")); | |
| 9 assertEq(bytecode(() => 2 + "2" + "2"), | |
| 10 bytecode(() => "222")); | |
| 11 assertEq(bytecode(() => "x" + "3"), | |
| 12 bytecode(() => "x3")); | |
| 13 | |
| 14 var s = "hoge"; | |
| 15 assertEq(bytecode(() => "fo" + "o" + s + "ba" + "r"), | |
| 16 bytecode(() => "foo" + s + "bar")); | |
| 17 assertEq(bytecode(() => "fo" + "o" + 1 + s + 1 + "ba" + "r"), | |
| 18 bytecode(() => "foo1" + s + "1bar")); | |
| 19 assertEq(bytecode(() => 1 + (2 * 2) + "x"), | |
| 20 bytecode(() => 5 + "x")); | |
| 21 assertEq(s + 1 + 2, "hoge12"); | |
| 22 assertEq((() => s + 1 + 2)(), "hoge12"); | |
| 23 | |
| 24 // SpiderMonkey knows that 1 + 1 == "11". | |
| 25 assertEq(bytecode(() => "x" + s + 1 + 1), | |
| 26 bytecode(() => "x" + s + "11")); | |
| 27 | |
| 28 var n = 5; | |
| 29 assertEq(1 + n + 1 + "ba" + "r", "7bar"); | |
| 30 assertEq(1 + 2 + {valueOf: () => 3, toString: () => 'x'} + 4 + 5,15); | |
| 31 assertEq(1+2+n,8); | |
| 32 assertEq(bytecode(() => 1 + 2 + n + 1 + 2), | |
| 33 bytecode(() => 3 + n + 1 + 2)); | |
| 34 assertEq(1 + 2 + n + 1 + 2, 11); | |
| 35 assertEq(bytecode(() => 1 + 2 + s + 1 + 2), | |
| 36 bytecode(() => 3 + s + 1 + 2)); | |
| 37 assertEq(1 + 2 + s + 1 + 2, "3hoge12"); | |
| 38 | |
| 39 assertEq(bytecode(() => ["a" + "b" + n]), | |
| 40 bytecode(() => ["ab" + n])); | |
| 41 var a = ["a" + "b" + n]; | |
| 42 assertEq(a[0], "ab5"); | |
| 43 |
