Mercurial > hg > truffle
annotate test/compiler/6896617/Test6896617.java @ 18067:1e657b902392
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author | asaha |
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date | Tue, 10 Jun 2014 14:52:20 -0700 |
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1 /* |
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 6896617 |
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27 * @summary Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() with SSE instructions on x86 |
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28 * @run main/othervm/timeout=1200 -Xbatch -Xmx256m Test6896617 |
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29 * |
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30 */ |
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31 |
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32 import java.util.*; |
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33 import java.nio.*; |
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34 import java.nio.charset.*; |
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35 |
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36 public class Test6896617 { |
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37 final static int SIZE = 256; |
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38 |
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39 public static void main(String[] args) { |
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40 String csn = "ISO-8859-1"; |
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41 Charset cs = Charset.forName(csn); |
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42 CharsetEncoder enc = cs.newEncoder(); |
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43 enc.onMalformedInput(CodingErrorAction.REPLACE) |
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44 .onUnmappableCharacter(CodingErrorAction.REPLACE); |
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45 CharsetDecoder dec = cs.newDecoder(); |
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46 dec.onMalformedInput(CodingErrorAction.REPLACE) |
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47 .onUnmappableCharacter(CodingErrorAction.REPLACE); |
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48 |
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49 byte repl = (byte)'?'; |
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50 enc.replaceWith(new byte[] { repl }); |
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51 |
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52 // Use internal API for tests. |
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53 sun.nio.cs.ArrayEncoder arrenc = (sun.nio.cs.ArrayEncoder)enc; |
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54 sun.nio.cs.ArrayDecoder arrdec = (sun.nio.cs.ArrayDecoder)dec; |
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55 |
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56 // Populate char[] with chars which can be encoded by ISO_8859_1 (<= 0xFF) |
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57 Random rnd = new Random(0); |
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58 int maxchar = 0xFF; |
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59 char[] a = new char[SIZE]; |
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60 byte[] b = new byte[SIZE]; |
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61 char[] at = new char[SIZE]; |
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62 byte[] bt = new byte[SIZE]; |
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63 for (int i = 0; i < SIZE; i++) { |
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64 char c = (char) rnd.nextInt(maxchar); |
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65 if (!enc.canEncode(c)) { |
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66 System.out.printf("Something wrong: can't encode c=%03x\n", (int)c); |
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67 System.exit(97); |
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68 } |
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69 a[i] = c; |
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70 b[i] = (byte)c; |
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71 at[i] = (char)-1; |
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72 bt[i] = (byte)-1; |
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73 } |
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74 if (arrenc.encode(a, 0, SIZE, bt) != SIZE || !Arrays.equals(b, bt)) { |
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75 System.out.println("Something wrong: ArrayEncoder.encode failed"); |
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76 System.exit(97); |
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77 } |
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78 if (arrdec.decode(b, 0, SIZE, at) != SIZE || !Arrays.equals(a, at)) { |
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79 System.out.println("Something wrong: ArrayDecoder.decode failed"); |
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80 System.exit(97); |
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81 } |
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82 for (int i = 0; i < SIZE; i++) { |
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83 at[i] = (char)-1; |
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84 bt[i] = (byte)-1; |
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85 } |
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86 |
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87 ByteBuffer bb = ByteBuffer.wrap(b); |
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88 CharBuffer ba = CharBuffer.wrap(a); |
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89 ByteBuffer bbt = ByteBuffer.wrap(bt); |
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90 CharBuffer bat = CharBuffer.wrap(at); |
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91 if (!enc.encode(ba, bbt, true).isUnderflow() || !Arrays.equals(b, bt)) { |
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92 System.out.println("Something wrong: Encoder.encode failed"); |
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93 System.exit(97); |
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94 } |
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95 if (!dec.decode(bb, bat, true).isUnderflow() || !Arrays.equals(a, at)) { |
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96 System.out.println("Something wrong: Decoder.decode failed"); |
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97 System.exit(97); |
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98 } |
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99 for (int i = 0; i < SIZE; i++) { |
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100 at[i] = (char)-1; |
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101 bt[i] = (byte)-1; |
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102 } |
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103 |
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104 // Warm up |
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105 boolean failed = false; |
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106 int result = 0; |
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107 for (int i = 0; i < 10000; i++) { |
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108 result += arrenc.encode(a, 0, SIZE, bt); |
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109 result -= arrdec.decode(b, 0, SIZE, at); |
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110 } |
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111 for (int i = 0; i < 10000; i++) { |
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112 result += arrenc.encode(a, 0, SIZE, bt); |
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113 result -= arrdec.decode(b, 0, SIZE, at); |
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114 } |
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115 for (int i = 0; i < 10000; i++) { |
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116 result += arrenc.encode(a, 0, SIZE, bt); |
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117 result -= arrdec.decode(b, 0, SIZE, at); |
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118 } |
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119 if (result != 0 || !Arrays.equals(b, bt) || !Arrays.equals(a, at)) { |
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120 failed = true; |
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121 System.out.println("Failed: ArrayEncoder.encode char[" + SIZE + "] and ArrayDecoder.decode byte[" + SIZE + "]"); |
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122 } |
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123 for (int i = 0; i < SIZE; i++) { |
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124 at[i] = (char)-1; |
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125 bt[i] = (byte)-1; |
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126 } |
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127 |
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128 boolean is_underflow = true; |
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129 for (int i = 0; i < 10000; i++) { |
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130 ba.clear(); bb.clear(); bat.clear(); bbt.clear(); |
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131 boolean enc_res = enc.encode(ba, bbt, true).isUnderflow(); |
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132 boolean dec_res = dec.decode(bb, bat, true).isUnderflow(); |
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133 is_underflow = is_underflow && enc_res && dec_res; |
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134 } |
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135 for (int i = 0; i < SIZE; i++) { |
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136 at[i] = (char)-1; |
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137 bt[i] = (byte)-1; |
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138 } |
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139 for (int i = 0; i < 10000; i++) { |
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140 ba.clear(); bb.clear(); bat.clear(); bbt.clear(); |
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141 boolean enc_res = enc.encode(ba, bbt, true).isUnderflow(); |
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142 boolean dec_res = dec.decode(bb, bat, true).isUnderflow(); |
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143 is_underflow = is_underflow && enc_res && dec_res; |
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144 } |
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145 for (int i = 0; i < SIZE; i++) { |
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146 at[i] = (char)-1; |
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147 bt[i] = (byte)-1; |
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148 } |
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149 for (int i = 0; i < 10000; i++) { |
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150 ba.clear(); bb.clear(); bat.clear(); bbt.clear(); |
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151 boolean enc_res = enc.encode(ba, bbt, true).isUnderflow(); |
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152 boolean dec_res = dec.decode(bb, bat, true).isUnderflow(); |
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153 is_underflow = is_underflow && enc_res && dec_res; |
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154 } |
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155 if (!is_underflow || !Arrays.equals(b, bt) || !Arrays.equals(a, at)) { |
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156 failed = true; |
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157 System.out.println("Failed: Encoder.encode char[" + SIZE + "] and Decoder.decode byte[" + SIZE + "]"); |
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158 } |
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159 |
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160 // Test encoder with different source and destination sizes |
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161 System.out.println("Testing different source and destination sizes"); |
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162 for (int i = 1; i <= SIZE; i++) { |
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163 for (int j = 1; j <= SIZE; j++) { |
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164 bt = new byte[j]; |
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165 // very source's SIZE |
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166 result = arrenc.encode(a, 0, i, bt); |
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167 int l = Math.min(i, j); |
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168 if (result != l) { |
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169 failed = true; |
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170 System.out.println("Failed: encode char[" + i + "] to byte[" + j + "]: result = " + result + ", expected " + l); |
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171 } |
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172 for (int k = 0; k < l; k++) { |
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173 if (bt[k] != b[k]) { |
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174 failed = true; |
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175 System.out.println("Failed: encoded byte[" + k + "] (" + bt[k] + ") != " + b[k]); |
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176 } |
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177 } |
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178 // very source's offset |
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179 int sz = SIZE - i + 1; |
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180 result = arrenc.encode(a, i-1, sz, bt); |
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181 l = Math.min(sz, j); |
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182 if (result != l) { |
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183 failed = true; |
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184 System.out.println("Failed: encode char[" + sz + "] to byte[" + j + "]: result = " + result + ", expected " + l); |
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185 } |
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186 for (int k = 0; k < l; k++) { |
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187 if (bt[k] != b[i+k-1]) { |
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188 failed = true; |
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189 System.out.println("Failed: encoded byte[" + k + "] (" + bt[k] + ") != " + b[i+k-1]); |
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190 } |
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191 } |
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192 } |
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193 } |
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194 |
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195 // Test encoder with char > 0xFF |
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196 System.out.println("Testing big char"); |
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197 |
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198 byte orig = (byte)'A'; |
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199 bt = new byte[SIZE]; |
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200 for (int i = 1; i <= SIZE; i++) { |
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201 for (int j = 0; j < i; j++) { |
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202 a[j] += 0x100; |
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203 // make sure to replace a different byte |
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204 bt[j] = orig; |
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205 result = arrenc.encode(a, 0, i, bt); |
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206 if (result != i) { |
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207 failed = true; |
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208 System.out.println("Failed: encode char[" + i + "] to byte[" + i + "]: result = " + result + ", expected " + i); |
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209 } |
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210 if (bt[j] != repl) { |
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211 failed = true; |
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212 System.out.println("Failed: encoded replace byte[" + j + "] (" + bt[j] + ") != " + repl); |
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213 } |
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214 bt[j] = b[j]; // Restore to compare whole array |
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215 for (int k = 0; k < i; k++) { |
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216 if (bt[k] != b[k]) { |
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217 failed = true; |
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218 System.out.println("Failed: encoded byte[" + k + "] (" + bt[k] + ") != " + b[k]); |
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219 } |
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220 } |
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221 a[j] -= 0x100; // Restore |
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222 } |
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223 } |
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224 |
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225 // Test sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() performance. |
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226 |
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227 int itrs = Integer.getInteger("iterations", 1000000); |
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228 int size = Integer.getInteger("size", 256); |
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229 a = new char[size]; |
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230 b = new byte[size]; |
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231 bt = new byte[size]; |
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232 for (int i = 0; i < size; i++) { |
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233 char c = (char) rnd.nextInt(maxchar); |
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234 if (!enc.canEncode(c)) { |
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235 System.out.printf("Something wrong: can't encode c=%03x\n", (int)c); |
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236 System.exit(97); |
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237 } |
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238 a[i] = c; |
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239 b[i] = (byte)-1; |
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240 bt[i] = (byte)c; |
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241 } |
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242 ba = CharBuffer.wrap(a); |
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243 bb = ByteBuffer.wrap(b); |
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244 boolean enc_res = enc.encode(ba, bb, true).isUnderflow(); |
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245 if (!enc_res || !Arrays.equals(b, bt)) { |
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246 failed = true; |
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247 System.out.println("Failed 1: Encoder.encode char[" + size + "]"); |
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248 } |
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249 for (int i = 0; i < size; i++) { |
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250 b[i] = (byte)-1; |
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251 } |
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252 |
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253 // Make sure to recompile method if needed before performance run. |
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254 for (int i = 0; i < 10000; i++) { |
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255 ba.clear(); bb.clear(); |
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256 enc_res = enc_res && enc.encode(ba, bb, true).isUnderflow(); |
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257 } |
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258 for (int i = 0; i < size; i++) { |
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259 b[i] = (byte)-1; |
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260 } |
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261 for (int i = 0; i < 10000; i++) { |
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262 ba.clear(); bb.clear(); |
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263 enc_res = enc_res && enc.encode(ba, bb, true).isUnderflow(); |
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264 } |
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265 if (!enc_res || !Arrays.equals(b, bt)) { |
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266 failed = true; |
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267 System.out.println("Failed 2: Encoder.encode char[" + size + "]"); |
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268 } |
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269 for (int i = 0; i < size; i++) { |
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270 b[i] = (byte)-1; |
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271 } |
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272 |
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273 System.out.println("Testing ISO_8859_1$Encode.encodeArrayLoop() performance"); |
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274 long start = System.currentTimeMillis(); |
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275 for (int i = 0; i < itrs; i++) { |
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276 ba.clear(); bb.clear(); |
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277 enc_res = enc_res && enc.encode(ba, bb, true).isUnderflow(); |
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278 } |
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279 long end = System.currentTimeMillis(); |
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280 if (!enc_res || !Arrays.equals(b, bt)) { |
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281 failed = true; |
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282 System.out.println("Failed 3: Encoder.encode char[" + size + "]"); |
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283 } else { |
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284 System.out.println("size: " + size + " time: " + (end - start)); |
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285 } |
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286 |
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287 // Test sun.nio.cs.ISO_8859_1$Encode.encode() performance. |
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288 |
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289 // Make sure to recompile method if needed before performance run. |
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290 result = 0; |
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291 for (int i = 0; i < size; i++) { |
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292 b[i] = (byte)-1; |
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293 } |
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294 for (int i = 0; i < 10000; i++) { |
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295 result += arrenc.encode(a, 0, size, b); |
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296 } |
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297 for (int i = 0; i < size; i++) { |
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298 b[i] = (byte)-1; |
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299 } |
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300 for (int i = 0; i < 10000; i++) { |
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301 result += arrenc.encode(a, 0, size, b); |
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302 } |
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303 if (result != size*20000 || !Arrays.equals(b, bt)) { |
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304 failed = true; |
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305 System.out.println("Failed 1: ArrayEncoder.encode char[" + SIZE + "]"); |
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306 } |
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307 for (int i = 0; i < size; i++) { |
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308 b[i] = (byte)-1; |
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309 } |
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310 |
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311 System.out.println("Testing ISO_8859_1$Encode.encode() performance"); |
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312 result = 0; |
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313 start = System.currentTimeMillis(); |
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314 for (int i = 0; i < itrs; i++) { |
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315 result += arrenc.encode(a, 0, size, b); |
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316 } |
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317 end = System.currentTimeMillis(); |
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318 if (!Arrays.equals(b, bt)) { |
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319 failed = true; |
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320 System.out.println("Failed 2: ArrayEncoder.encode char[" + size + "]"); |
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321 } else { |
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322 System.out.println("size: " + size + " time: " + (end - start)); |
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323 } |
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324 |
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325 if (failed) { |
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326 System.out.println("FAILED"); |
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327 System.exit(97); |
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328 } |
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329 System.out.println("PASSED"); |
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330 } |
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331 } |