js/src/jit-test/tests/basic/constant-folding-1.js@6474c204b198
js/src/jit-test/tests/basic/constant-folding-1.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.
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"));
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");
24 // SpiderMonkey knows that 1 + 1 == "11".
25 assertEq(bytecode(() => "x" + s + 1 + 1),
26 bytecode(() => "x" + s + "11"));
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");
39 assertEq(bytecode(() => ["a" + "b" + n]),
40 bytecode(() => ["ab" + n]));
41 var a = ["a" + "b" + n];
42 assertEq(a[0], "ab5");
