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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 import "package:expect/expect.dart"; |
| 6 import "dart:typed_data"; |
| 7 |
| 8 // Test that optimized indexing and slow path indexing produce the same error. |
| 9 |
| 10 @NoInline() |
| 11 @AssumeDynamic() |
| 12 confuse(x) => x; |
| 13 |
| 14 class TooHigh { |
| 15 static load1() { |
| 16 var a = confuse(true) ? [10,11] : [10,11,12,13,14]; |
| 17 try { |
| 18 // dynamic receiver causes method to be called via interceptor. |
| 19 return confuse(a)[3]; |
| 20 } catch (e) { |
| 21 return e; |
| 22 } |
| 23 Expect.fail('unreached'); |
| 24 } |
| 25 |
| 26 static load2() { |
| 27 try { |
| 28 confuse(load2x)(3); |
| 29 } catch (e) { |
| 30 return e; |
| 31 } |
| 32 Expect.fail('unreached'); |
| 33 } |
| 34 static load2x(i) { |
| 35 var a = confuse(true) ? [10,11] : [10,11,12,13,14]; |
| 36 // 'a' is inferred as JSArray of unknown length so has optimized check. |
| 37 return a[i]; |
| 38 } |
| 39 |
| 40 static test() { |
| 41 var e1 = load1(); |
| 42 var e2 = load2(); |
| 43 Expect.equals('$e1', '$e2', '\n A: "$e1"\n B: "$e2"\n'); |
| 44 } |
| 45 } |
| 46 |
| 47 class Negative { |
| 48 static load1() { |
| 49 var a = confuse(true) ? [10,11] : [10,11,12,13,14]; |
| 50 try { |
| 51 // dynamic receiver causes method to be called via interceptor. |
| 52 return confuse(a)[-3]; |
| 53 } catch (e) { |
| 54 return e; |
| 55 } |
| 56 Expect.fail('unreached'); |
| 57 } |
| 58 |
| 59 static load2() { |
| 60 try { |
| 61 confuse(load2x)(-3); |
| 62 } catch (e) { |
| 63 return e; |
| 64 } |
| 65 Expect.fail('unreached'); |
| 66 } |
| 67 static load2x(i) { |
| 68 var a = confuse(true) ? [10,11] : [10,11,12,13,14]; |
| 69 // 'a' is inferred as JSArray of unknown length so has optimized check. |
| 70 return a[i]; |
| 71 } |
| 72 |
| 73 static test() { |
| 74 var e1 = load1(); |
| 75 var e2 = load2(); |
| 76 Expect.equals('$e1', '$e2', '\n A: "$e1"\n B: "$e2"\n'); |
| 77 } |
| 78 } |
| 79 |
| 80 class Empty { |
| 81 static load1() { |
| 82 var a = confuse(true) ? [] : [10,11,12,13,14]; |
| 83 try { |
| 84 // dynamic receiver causes method to be called via interceptor. |
| 85 return confuse(a)[-3]; |
| 86 } catch (e) { |
| 87 return e; |
| 88 } |
| 89 Expect.fail('unreached'); |
| 90 } |
| 91 |
| 92 static load2() { |
| 93 try { |
| 94 confuse(load2x)(-3); |
| 95 } catch (e) { |
| 96 return e; |
| 97 } |
| 98 Expect.fail('unreached'); |
| 99 } |
| 100 static load2x(i) { |
| 101 var a = confuse(true) ? [] : [10,11,12,13,14]; |
| 102 // 'a' is inferred as JSArray of unknown length so has optimized check. |
| 103 return a[i]; |
| 104 } |
| 105 |
| 106 static test() { |
| 107 var e1 = load1(); |
| 108 var e2 = load2(); |
| 109 Expect.equals('$e1', '$e2', '\n A: "$e1"\n B: "$e2"\n'); |
| 110 } |
| 111 } |
| 112 |
| 113 class BadType { |
| 114 static load1() { |
| 115 var a = confuse(true) ? [10,11] : [10,11,12,13,14]; |
| 116 try { |
| 117 // dynamic receiver causes method to be called via interceptor. |
| 118 return confuse(a)['a']; |
| 119 } catch (e) { |
| 120 return e; |
| 121 } |
| 122 Expect.fail('unreached'); |
| 123 } |
| 124 |
| 125 static load2() { |
| 126 try { |
| 127 confuse(load2x)('a'); |
| 128 } catch (e) { |
| 129 return e; |
| 130 } |
| 131 Expect.fail('unreached'); |
| 132 } |
| 133 static load2x(i) { |
| 134 var a = confuse(true) ? [10,11] : [10,11,12,13,14]; |
| 135 // 'a' is inferred as JSArray of unknown length so has optimized check. |
| 136 return a[i]; |
| 137 } |
| 138 |
| 139 static test() { |
| 140 var e1 = load1(); |
| 141 var e2 = load2(); |
| 142 Expect.equals('$e1', '$e2', '\n A: "$e1"\n B: "$e2"\n'); |
| 143 } |
| 144 } |
| 145 |
| 146 main() { |
| 147 TooHigh.test(); |
| 148 Negative.test(); |
| 149 Empty.test(); |
| 150 BadType.test(); |
| 151 } |
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