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| 1 <!DOCTYPE html> |
| 2 <meta charset="utf-8"> |
| 3 <title>Key Generator behavior with explicit keys generator overflow</title> |
| 4 <link rel=help href="https://w3c.github.io/IndexedDB/#key-generator-construct"> |
| 5 <script src="/resources/testharness.js"></script> |
| 6 <script src="/resources/testharnessreport.js"></script> |
| 7 <script src="support.js"></script> |
| 8 <script> |
| 9 |
| 10 function big_key_test(key, description) { |
| 11 indexeddb_test( |
| 12 (t, db) => { |
| 13 assert_equals(indexedDB.cmp(key, key), 0, 'Key is valid'); |
| 14 |
| 15 db.createObjectStore('store', {autoIncrement: true}); |
| 16 }, |
| 17 (t, db) => { |
| 18 const tx = db.transaction('store', 'readwrite'); |
| 19 const store = tx.objectStore('store'); |
| 20 const value = 0; |
| 21 let request; |
| 22 |
| 23 request = store.put(value); |
| 24 request.onerror = t.unreached_func('put should succeed'); |
| 25 request.onsuccess = t.step_func(e => { |
| 26 assert_equals(e.target.result, 1, |
| 27 'Key generator should initially be 1'); |
| 28 }); |
| 29 |
| 30 request = store.put(value); |
| 31 request.onerror = t.unreached_func('put should succeed'); |
| 32 request.onsuccess = t.step_func(e => { |
| 33 assert_equals(e.target.result, 2, |
| 34 'Key generator should increment'); |
| 35 }); |
| 36 |
| 37 request = store.put(value, 1000); |
| 38 request.onerror = t.unreached_func('put should succeed'); |
| 39 request.onsuccess = t.step_func(e => { |
| 40 assert_equals(e.target.result, 1000, |
| 41 'Explicit key should be used'); |
| 42 }); |
| 43 |
| 44 request = store.put(value); |
| 45 request.onerror = t.unreached_func('put should succeed'); |
| 46 request.onsuccess = t.step_func(e => { |
| 47 assert_equals(e.target.result, 1001, |
| 48 'Key generator should have updated'); |
| 49 }); |
| 50 |
| 51 request = store.put(value, key); |
| 52 request.onerror = t.unreached_func('put should succeed'); |
| 53 request.onsuccess = t.step_func(e => { |
| 54 assert_equals(e.target.result, key, |
| 55 'Explicit key should be used'); |
| 56 }); |
| 57 |
| 58 if (key >= 0) { |
| 59 // Large positive values will max out the key generator, so it |
| 60 // can no longer produce keys. |
| 61 request = store.put(value); |
| 62 request.onsuccess = t.unreached_func('put should fail'); |
| 63 request.onerror = t.step_func(e => { |
| 64 e.preventDefault(); |
| 65 assert_equals(e.target.error.name, 'ConstraintError', |
| 66 'Key generator should have returned failure'); |
| 67 }); |
| 68 } else { |
| 69 // Large negative values are always lower than the key generator's |
| 70 // current number, so have no effect on the generator. |
| 71 request = store.put(value); |
| 72 request.onerror = t.unreached_func('put should succeed'); |
| 73 request.onsuccess = t.step_func(e => { |
| 74 assert_equals(e.target.result, 1002, |
| 75 'Key generator should have updated'); |
| 76 }); |
| 77 } |
| 78 |
| 79 request = store.put(value, 2000); |
| 80 request.onerror = t.unreached_func('put should succeed'); |
| 81 request.onsuccess = t.step_func(e => { |
| 82 assert_equals(e.target.result, 2000, |
| 83 'Explicit key should be used'); |
| 84 }); |
| 85 |
| 86 tx.onabort = t.step_func(() => { |
| 87 assert_unreached(`Transaction aborted: ${tx.error.message}`); |
| 88 }); |
| 89 tx.oncomplete = t.step_func(() => { t.done(); }); |
| 90 }, |
| 91 description); |
| 92 } |
| 93 |
| 94 [ |
| 95 { |
| 96 key: Number.MAX_SAFE_INTEGER + 1, |
| 97 description: '53 bits' |
| 98 }, |
| 99 { |
| 100 key: Math.pow(2, 60), |
| 101 description: 'greater than 53 bits, less than 64 bits' |
| 102 }, |
| 103 { |
| 104 key: -Math.pow(2, 60), |
| 105 description: 'greater than 53 bits, less than 64 bits (negative)' |
| 106 }, |
| 107 { |
| 108 key: Math.pow(2, 63), |
| 109 description: '63 bits' |
| 110 }, |
| 111 { |
| 112 key: -Math.pow(2, 63), |
| 113 description: '63 bits (negative)' |
| 114 }, |
| 115 { |
| 116 key: Math.pow(2, 64), |
| 117 description: '64 bits' |
| 118 }, |
| 119 { |
| 120 key: -Math.pow(2, 64), |
| 121 description: '64 bits (negative)' |
| 122 }, |
| 123 { |
| 124 key: Math.pow(2, 70), |
| 125 description: 'greater than 64 bits, but still finite' |
| 126 }, |
| 127 { |
| 128 key: -Math.pow(2, 70), |
| 129 description: 'greater than 64 bits, but still finite (negative)' |
| 130 }, |
| 131 { |
| 132 key: Infinity, |
| 133 description: 'equal to Infinity' |
| 134 }, |
| 135 { |
| 136 key: -Infinity, |
| 137 description: 'equal to -Infinity' |
| 138 } |
| 139 ].forEach(function(testCase) { |
| 140 big_key_test(testCase.key, |
| 141 `Key generator vs. explicit key ${testCase.description}`); |
| 142 }); |
| 143 |
| 144 |
| 145 |
| 146 </script> |
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Chromium Code Reviews
Issue 2735213002:
Indexed DB: Ensure large explicit keys consistently max out generator (Closed)
