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comparison: js/src/jit-test/tests/collections/Map-set-undefined.js
js/src/jit-test/tests/collections/Map-set-undefined.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:6ac168cd349a |
|---|---|
| 1 // Setting a Map key to undefined, or a missing argument, isn't the same as deleting it. | |
| 2 | |
| 3 var m = new Map; | |
| 4 m.set(42, undefined); | |
| 5 assertEq(m.has(42), true); | |
| 6 assertEq(m.get(42), undefined); | |
| 7 | |
| 8 m.set(42, "wrong"); | |
| 9 m.set(42); | |
| 10 assertEq(m.has(42), true); | |
| 11 assertEq(m.get(42), undefined); | |
| 12 | |
| 13 m.set(); | |
| 14 assertEq(m.has(undefined), true); | |
| 15 assertEq(m.get(undefined), undefined); |
