js/src/jit-test/tests/ion/throw.js@6474c204b198
js/src/jit-test/tests/ion/throw.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 thrower1(x) {
2 throw x + 2;
4 // Dead code, should be ignored.
5 throw ++x;
6 return x;
7 }
8 function test1() {
9 // If we ever inline functions containing JSOP_THROW,
10 // this shouldn't assert.
11 function f(x) {
12 thrower1(x + 1);
13 }
14 for (var i=0; i<11000; i++) {
15 try {
16 f(i);
17 assertEq(0, 1);
18 } catch(e) {
19 assertEq(e, i + 3);
20 }
21 }
22 }
23 test1();
25 // Test throwing from an uncompilable (interpreted) function.
26 function getException(f) {
27 try {
28 f();
29 assertEq(0, 1);
30 } catch(e) {
31 return e;
32 }
33 assertEq(0, 1);
34 }
36 function thrower2(x) {
37 if (x > 90)
38 throw x;
39 with ({}) {}; // Abort compilation...(?)
40 }
41 function test2() {
42 for (var i = 0; i < 100; i++) {
43 thrower2(i);
44 }
45 }
46 assertEq(getException(test2), 91);
48 // Throwing |this| from a constructor.
49 function thrower3(x) {
50 this.x = x;
51 if (x > 90)
52 throw this;
53 }
54 function test3() {
55 for (var i=0; i < 100; i++) {
56 new thrower3(i);
57 }
58 }
59 assertEq(getException(test3).x, 91);
61 // Throwing an exception in various loop blocks.
62 var count = 0;
63 function thrower4(x) {
64 throw count++;
65 count += 12345; // Shouldn't be executed.
66 }
67 function test4_1() {
68 var i = 0;
69 for (new thrower4(i); i < 100; i++) {
70 count += 2000; // Shouldn't be executed.
71 }
72 }
73 function test4_2() {
74 for (var i = 0; thrower4(i); i++) {
75 count += 3000; // Shouldn't be executed.
76 }
77 }
78 function test4_3() {
79 for (var i = 0; i < 100; thrower4(i)) {
80 count += 5;
81 }
82 }
83 function test4_4() {
84 for (var i = 0; i < 10; i++) {
85 if (i > 8)
86 thrower4();
87 count += i;
88 }
89 }
90 for (var i = 0; i < 100; i++) {
91 assertEq(getException(test4_1), count-1);
92 assertEq(getException(test4_2), count-1);
93 assertEq(getException(test4_3), count-1);
94 assertEq(getException(test4_4), count-1);
95 }
96 assertEq(count, 4500);
