| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| // |
| // Dart test program for testing typed data. |
| |
| // Library tag to be able to run in html test framework. |
| library ByteDataTest; |
| |
| import "package:expect/expect.dart"; |
| import 'dart:typed_data'; |
| |
| testGetters() { |
| bool host_is_little_endian = |
| (new Uint8List.view(new Uint16List.fromList([1]).buffer))[0] == 1; |
| |
| var list = new Uint8List(8); |
| list[0] = 0xf1; |
| list[1] = 0xf2; |
| list[2] = 0xf3; |
| list[3] = 0xf4; |
| list[4] = 0xf5; |
| list[5] = 0xf6; |
| list[6] = 0xf7; |
| list[7] = 0xf8; |
| var ba = list.buffer; |
| |
| ByteData bd = new ByteData.view(ba); |
| var value; |
| int expected_value_be = -3598; |
| int expected_value_le = -3343; |
| |
| value = bd.getInt16(0); // Default is big endian access. |
| Expect.equals(expected_value_be, value); |
| value = bd.getInt16(0, Endian.big); |
| Expect.equals(expected_value_be, value); |
| value = bd.getInt16(0, Endian.little); |
| Expect.equals(expected_value_le, value); |
| value = bd.getInt16(0, Endian.host); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| Expect.equals(expected_value_le, value); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| Expect.equals(expected_value_be, value); |
| } |
| |
| value = bd.getUint16(0); // Default is big endian access. |
| Expect.equals(0xf1f2, value); |
| value = bd.getUint16(0, Endian.big); |
| Expect.equals(0xf1f2, value); |
| value = bd.getUint16(0, Endian.little); |
| Expect.equals(0xf2f1, value); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| Expect.equals(0xf2f1, value); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| Expect.equals(0xf1f2, value); |
| } |
| |
| expected_value_be = -235736076; |
| expected_value_le = -185339151; |
| |
| value = bd.getInt32(0); // Default is big endian access. |
| Expect.equals(expected_value_be, value); |
| value = bd.getInt32(0, Endian.big); |
| Expect.equals(expected_value_be, value); |
| value = bd.getInt32(0, Endian.little); |
| Expect.equals(expected_value_le, value); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| Expect.equals(expected_value_le, value); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| Expect.equals(expected_value_be, value); |
| } |
| |
| value = bd.getUint32(0); // Default is big endian access. |
| Expect.equals(0xf1f2f3f4, value); |
| value = bd.getUint32(0, Endian.big); |
| Expect.equals(0xf1f2f3f4, value); |
| value = bd.getUint32(0, Endian.little); |
| Expect.equals(0xf4f3f2f1, value); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| Expect.equals(0xf4f3f2f1, value); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| Expect.equals(0xf1f2f3f4, value); |
| } |
| |
| expected_value_be = -1012478732780767240; |
| expected_value_le = -506664896818842895; |
| |
| value = bd.getInt64(0); // Default is big endian access. |
| Expect.equals(expected_value_be, value); |
| value = bd.getInt64(0, Endian.big); |
| Expect.equals(expected_value_be, value); |
| value = bd.getInt64(0, Endian.little); |
| Expect.equals(expected_value_le, value); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| Expect.equals(expected_value_le, value); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| Expect.equals(expected_value_be, value); |
| } |
| |
| value = bd.getUint64(0); // Default is big endian access. |
| Expect.equals(0xf1f2f3f4f5f6f7f8, value); |
| value = bd.getUint64(0, Endian.big); |
| Expect.equals(0xf1f2f3f4f5f6f7f8, value); |
| value = bd.getUint64(0, Endian.little); |
| Expect.equals(0xf8f7f6f5f4f3f2f1, value); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| Expect.equals(0xf8f7f6f5f4f3f2f1, value); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| Expect.equals(0xf1f2f3f4f5f6f7f8, value); |
| } |
| |
| double expected_be_value = -2.4060893954673178e+30; |
| double expected_le_value = -1.5462104171572421e+32; |
| value = bd.getFloat32(0); // Default is big endian access. |
| Expect.equals(expected_be_value, value); |
| value = bd.getFloat32(0, Endian.big); |
| Expect.equals(expected_be_value, value); |
| value = bd.getFloat32(0, Endian.little); |
| Expect.equals(expected_le_value, value); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| Expect.equals(expected_le_value, value); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| Expect.equals(expected_be_value, value); |
| } |
| |
| expected_be_value = -7.898661740976602e+240; |
| expected_le_value = -5.185705956736366e+274; |
| value = bd.getFloat64(0); // Default is big endian access. |
| Expect.equals(expected_be_value, value); |
| value = bd.getFloat64(0, Endian.big); |
| Expect.equals(expected_be_value, value); |
| value = bd.getFloat64(0, Endian.little); |
| Expect.equals(expected_le_value, value); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| Expect.equals(expected_le_value, value); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| Expect.equals(expected_be_value, value); |
| } |
| } |
| |
| validate16be(var list) { |
| Expect.equals(0xf1, list[0]); |
| Expect.equals(0xf2, list[1]); |
| } |
| |
| validate16le(var list) { |
| Expect.equals(0xf2, list[0]); |
| Expect.equals(0xf1, list[1]); |
| } |
| |
| validate32be(var list) { |
| Expect.equals(0xf1, list[0]); |
| Expect.equals(0xf2, list[1]); |
| Expect.equals(0xf3, list[2]); |
| Expect.equals(0xf4, list[3]); |
| } |
| |
| validate32le(var list) { |
| Expect.equals(0xf4, list[0]); |
| Expect.equals(0xf3, list[1]); |
| Expect.equals(0xf2, list[2]); |
| Expect.equals(0xf1, list[3]); |
| } |
| |
| validate64be(var list) { |
| Expect.equals(0xf1, list[0]); |
| Expect.equals(0xf2, list[1]); |
| Expect.equals(0xf3, list[2]); |
| Expect.equals(0xf4, list[3]); |
| Expect.equals(0xf5, list[4]); |
| Expect.equals(0xf6, list[5]); |
| Expect.equals(0xf7, list[6]); |
| Expect.equals(0xf8, list[7]); |
| } |
| |
| validate64le(var list) { |
| Expect.equals(0xf8, list[0]); |
| Expect.equals(0xf7, list[1]); |
| Expect.equals(0xf6, list[2]); |
| Expect.equals(0xf5, list[3]); |
| Expect.equals(0xf4, list[4]); |
| Expect.equals(0xf3, list[5]); |
| Expect.equals(0xf2, list[6]); |
| Expect.equals(0xf1, list[7]); |
| } |
| |
| testSetters() { |
| bool host_is_little_endian = |
| (new Uint8List.view(new Uint16List.fromList([1]).buffer))[0] == 1; |
| |
| var list = new Uint8List(8); |
| for (int i = 0; i < list.length; i++) { |
| list[i] = 0; |
| } |
| var ba = list.buffer; |
| ByteData bd = new ByteData.view(ba); |
| |
| bd.setInt16(0, 0xf1f2); // Default is big endian access. |
| validate16be(list); |
| bd.setInt16(0, 0xf1f2, Endian.big); |
| validate16be(list); |
| bd.setInt16(0, 0xf1f2, Endian.little); |
| validate16le(list); |
| bd.setInt16(0, 0xf1f2, Endian.host); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| validate16le(list); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| validate16be(list); |
| } |
| |
| bd.setUint16(0, 0xf1f2); // Default is big endian access. |
| validate16be(list); |
| bd.setUint16(0, 0xf1f2, Endian.big); |
| validate16be(list); |
| bd.setUint16(0, 0xf1f2, Endian.little); |
| validate16le(list); |
| bd.setUint16(0, 0xf1f2, Endian.host); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| validate16le(list); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| validate16be(list); |
| } |
| |
| bd.setInt32(0, 0xf1f2f3f4); // Default is big endian access. |
| validate32be(list); |
| bd.setInt32(0, 0xf1f2f3f4, Endian.big); |
| validate32be(list); |
| bd.setInt32(0, 0xf1f2f3f4, Endian.little); |
| validate32le(list); |
| bd.setInt32(0, 0xf1f2f3f4, Endian.host); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| validate32le(list); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| validate32be(list); |
| } |
| |
| bd.setUint32(0, 0xf1f2f3f4); // Default is big endian access. |
| validate32be(list); |
| bd.setUint32(0, 0xf1f2f3f4, Endian.big); |
| validate32be(list); |
| bd.setUint32(0, 0xf1f2f3f4, Endian.little); |
| validate32le(list); |
| bd.setUint32(0, 0xf1f2f3f4, Endian.host); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| validate32le(list); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| validate32be(list); |
| } |
| |
| bd.setInt64(0, 0xf1f2f3f4f5f6f7f8); // Default is big endian access. |
| validate64be(list); |
| bd.setInt64(0, 0xf1f2f3f4f5f6f7f8, Endian.big); |
| validate64be(list); |
| bd.setInt64(0, 0xf1f2f3f4f5f6f7f8, Endian.little); |
| validate64le(list); |
| bd.setInt64(0, 0xf1f2f3f4f5f6f7f8, Endian.host); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| validate64le(list); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| validate64be(list); |
| } |
| |
| bd.setUint64(0, 0xf1f2f3f4f5f6f7f8); // Default is big endian access. |
| validate64be(list); |
| bd.setUint64(0, 0xf1f2f3f4f5f6f7f8, Endian.big); |
| validate64be(list); |
| bd.setUint64(0, 0xf1f2f3f4f5f6f7f8, Endian.little); |
| validate64le(list); |
| bd.setUint64(0, 0xf1f2f3f4f5f6f7f8, Endian.host); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| validate64le(list); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| validate64be(list); |
| } |
| |
| bd.setFloat32(0, -2.4060893954673178e+30); // Default is big endian access. |
| validate32be(list); |
| bd.setFloat32(0, -2.4060893954673178e+30, Endian.big); |
| validate32be(list); |
| bd.setFloat32(0, -2.4060893954673178e+30, Endian.little); |
| validate32le(list); |
| bd.setFloat32(0, -2.4060893954673178e+30, Endian.host); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| validate32le(list); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| validate32be(list); |
| } |
| |
| bd.setFloat64(0, -7.898661740976602e+240); // Default is big endian access. |
| validate64be(list); |
| bd.setFloat64(0, -7.898661740976602e+240, Endian.big); |
| validate64be(list); |
| bd.setFloat64(0, -7.898661740976602e+240, Endian.little); |
| validate64le(list); |
| bd.setFloat64(0, -7.898661740976602e+240, Endian.host); |
| if (host_is_little_endian) { |
| Expect.isTrue(identical(Endian.host, Endian.little)); |
| validate64le(list); |
| } else { |
| Expect.isTrue(identical(Endian.host, Endian.big)); |
| validate64be(list); |
| } |
| } |
| |
| main() { |
| testGetters(); |
| testSetters(); |
| } |