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comparison: js/src/jit-test/tests/basic/withSourceHook.js
js/src/jit-test/tests/basic/withSourceHook.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:ca4c850379cb |
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| 1 // Check that withSourceHook passes URLs, propagates exceptions, and | |
| 2 // properly restores the original source hooks. | |
| 3 | |
| 4 load(libdir + 'asserts.js'); | |
| 5 | |
| 6 // withSourceHook isn't defined if you pass the shell the --fuzzing-safe | |
| 7 // option. Skip this test silently, to avoid spurious failures. | |
| 8 if (typeof withSourceHook != 'function') | |
| 9 quit(0); | |
| 10 | |
| 11 var log = ''; | |
| 12 | |
| 13 // Establish an outermost source hook. | |
| 14 withSourceHook(function (url) { | |
| 15 log += 'o'; | |
| 16 assertEq(url, 'outer'); | |
| 17 return '(function outer() { 3; })'; | |
| 18 }, function () { | |
| 19 log += 'O'; | |
| 20 // Verify that withSourceHook propagates exceptions thrown by source hooks. | |
| 21 assertThrowsValue(function () { | |
| 22 // Establish a source hook that throws. | |
| 23 withSourceHook(function (url) { | |
| 24 log += 'm'; | |
| 25 assertEq(url, 'middle'); | |
| 26 throw 'borborygmus'; // middle | |
| 27 }, function () { | |
| 28 log += 'M'; | |
| 29 // Establish an innermost source hook that does not throw, | |
| 30 // and verify that it is in force. | |
| 31 assertEq(withSourceHook(function (url) { | |
| 32 log += 'i'; | |
| 33 assertEq(url, 'inner'); | |
| 34 return '(function inner() { 1; })'; | |
| 35 }, function () { | |
| 36 log += 'I'; | |
| 37 return evaluate('(function inner() { 2; })', | |
| 38 { fileName: 'inner', sourceIsLazy: true }) | |
| 39 .toSource(); | |
| 40 }), | |
| 41 '(function inner() { 1; })'); | |
| 42 // Verify that the source hook that throws has been reinstated. | |
| 43 evaluate('(function middle() { })', | |
| 44 { fileName: 'middle', sourceIsLazy: true }) | |
| 45 .toSource(); | |
| 46 }); | |
| 47 }, 'borborygmus'); | |
| 48 | |
| 49 // Verify that the outermost source hook has been restored. | |
| 50 assertEq(evaluate('(function outer() { 4; })', | |
| 51 { fileName: 'outer', sourceIsLazy: true }) | |
| 52 .toSource(), | |
| 53 '(function outer() { 3; })'); | |
| 54 }); | |
| 55 | |
| 56 assertEq(log, 'OMIimo'); |
