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comparison: testing/xpcshell/example/unit/test_do_check_matches.js
testing/xpcshell/example/unit/test_do_check_matches.js
- changeset 2
- 7e26c7da4463
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 function run_test() { | |
| 5 do_check_matches({x:1}, {x:1}); // pass | |
| 6 todo_check_matches({x:1}, {}); // fail: all pattern props required | |
| 7 todo_check_matches({x:1}, {x:2}); // fail: values must match | |
| 8 do_check_matches({x:1}, {x:1, y:2}); // pass: extra props tolerated | |
| 9 | |
| 10 // Property order is irrelevant. | |
| 11 do_check_matches({x:"foo", y:"bar"}, {y:"bar", x:"foo"});// pass | |
| 12 | |
| 13 do_check_matches({x:undefined}, {x:1});// pass: 'undefined' is wildcard | |
| 14 do_check_matches({x:undefined}, {x:2}); | |
| 15 todo_check_matches({x:undefined}, {y:2});// fail: 'x' must still be there | |
| 16 | |
| 17 // Patterns nest. | |
| 18 do_check_matches({a:1, b:{c:2,d:undefined}}, {a:1, b:{c:2,d:3}}); | |
| 19 | |
| 20 // 'length' property counts, even if non-enumerable. | |
| 21 do_check_matches([3,4,5], [3,4,5]); // pass | |
| 22 todo_check_matches([3,4,5], [3,5,5]); // fail; value doesn't match | |
| 23 todo_check_matches([3,4,5], [3,4,5,6]);// fail; length doesn't match | |
| 24 | |
| 25 // functions in patterns get applied. | |
| 26 do_check_matches({foo:function (v) v.length == 2}, {foo:"hi"});// pass | |
| 27 todo_check_matches({foo:function (v) v.length == 2}, {bar:"hi"});// fail | |
| 28 todo_check_matches({foo:function (v) v.length == 2}, {foo:"hello"});// fail | |
| 29 | |
| 30 // We don't check constructors, prototypes, or classes. However, if | |
| 31 // pattern has a 'length' property, we require values to match that as | |
| 32 // well, even if 'length' is non-enumerable in the pattern. So arrays | |
| 33 // are useful as patterns. | |
| 34 do_check_matches({0:0, 1:1, length:2}, [0,1]); // pass | |
| 35 do_check_matches({0:1}, [1,2]); // pass | |
| 36 do_check_matches([0], {0:0, length:1}); // pass | |
| 37 } |
