tests/language/vm/unaligned_integer_access_literal_index_test.dart - Issue 2473553002: Fix unaligned access to TypedData from native code.

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Issue 2473553002: Fix unaligned access to TypedData from native code. (Closed)

Patch Set: . Created 4 years, 1 month ago

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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file	1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a	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.	3 // BSD-style license that can be found in the LICENSE file.

4 // VMOptions=--optimization_counter_threshold=10 --no-background_compilation	4 // VMOptions=--optimization_counter_threshold=10 --no-background_compilation

5	5

6 import 'dart:typed_data';	6 import 'dart:typed_data';

7 import 'package:expect/expect.dart';	7 import 'package:expect/expect.dart';

8	8

9 unalignedUint16() {	9 unalignedUint16() {

10 var bytes = new ByteData(64);	10 var bytes = new ByteData(64);

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79 bytes.setInt64(4, -0x12341234);	79 bytes.setInt64(4, -0x12341234);

80 Expect.equals(-0x12341234, bytes.getInt64(4));	80 Expect.equals(-0x12341234, bytes.getInt64(4));

81 bytes.setInt64(5, -0x23452345);	81 bytes.setInt64(5, -0x23452345);

82 Expect.equals(-0x23452345, bytes.getInt64(5));	82 Expect.equals(-0x23452345, bytes.getInt64(5));

83 bytes.setInt64(6, -0x12341234);	83 bytes.setInt64(6, -0x12341234);

84 Expect.equals(-0x12341234, bytes.getInt64(6));	84 Expect.equals(-0x12341234, bytes.getInt64(6));

85 bytes.setInt64(7, -0x23452345);	85 bytes.setInt64(7, -0x23452345);

86 Expect.equals(-0x23452345, bytes.getInt64(7));	86 Expect.equals(-0x23452345, bytes.getInt64(7));

87 }	87 }

88	88

89 unalignedFloat32() {

90 var bytes = new ByteData(64);

91 bytes.setFloat32(0, 16.25);

92 Expect.equals(16.25, bytes.getFloat32(0));

93 bytes.setFloat32(1, 32.125);

94 Expect.equals(32.125, bytes.getFloat32(1));

95 bytes.setFloat32(2, 16.25);

96 Expect.equals(16.25, bytes.getFloat32(2));

97 bytes.setFloat32(3, 32.125);

98 Expect.equals(32.125, bytes.getFloat32(3));

99 }

100

101 unalignedFloat64() {

102 var bytes = new ByteData(64);

103 bytes.setFloat64(0, 16.25);

104 Expect.equals(16.25, bytes.getFloat64(0));

105 bytes.setFloat64(1, 32.125);

106 Expect.equals(32.125, bytes.getFloat64(1));

107 bytes.setFloat64(2, 16.25);

108 Expect.equals(16.25, bytes.getFloat64(2));

109 bytes.setFloat64(3, 32.125);

110 Expect.equals(32.125, bytes.getFloat64(3));

111 bytes.setFloat64(4, 16.25);

112 Expect.equals(16.25, bytes.getFloat64(4));

113 bytes.setFloat64(5, 32.125);

114 Expect.equals(32.125, bytes.getFloat64(5));

115 bytes.setFloat64(6, 16.25);

116 Expect.equals(16.25, bytes.getFloat64(6));

117 bytes.setFloat64(7, 32.125);

118 Expect.equals(32.125, bytes.getFloat64(7));

119 }

120

121 main() {	89 main() {

122 for (var i = 0; i < 20; i++) {	90 for (var i = 0; i < 20; i++) {

123 unalignedUint16();	91 unalignedUint16();

124 unalignedInt16();	92 unalignedInt16();

125 unalignedUint32();	93 unalignedUint32();

126 unalignedInt32();	94 unalignedInt32();

127 unalignedUint64();	95 unalignedUint64();

128 unalignedInt64();	96 unalignedInt64();

129 unalignedFloat32();

130 unalignedFloat64();

131 }	97 }

132 }	98 }

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