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1 /* |
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2 * Copyright (c) 2012, 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. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 /** |
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27 * @test |
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28 * @bug 8003639 |
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29 * @summary convert lambda testng tests to jtreg and add them |
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30 * @run testng MethodReferenceTestFDCCE |
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31 */ |
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32 |
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33 import org.testng.annotations.Test; |
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34 import java.lang.reflect.Array; |
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35 |
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36 import static org.testng.Assert.assertEquals; |
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37 import static org.testng.Assert.assertTrue; |
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38 import static org.testng.Assert.fail; |
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39 |
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40 /** |
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41 * Method references and raw types. |
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42 * @author Robert Field |
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43 */ |
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44 |
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45 @Test |
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46 @SuppressWarnings({"rawtypes", "unchecked"}) |
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47 public class MethodReferenceTestFDCCE { |
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48 |
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49 static void assertCCE(Throwable t) { |
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50 assertEquals(t.getClass().getName(), "java.lang.ClassCastException"); |
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51 } |
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52 |
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53 interface Pred<T> { boolean accept(T x); } |
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54 |
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55 interface Ps { boolean accept(short x); } |
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56 |
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57 interface Oo { Object too(int x); } |
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58 |
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59 interface Reto<T> { T m(); } |
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60 |
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61 class A {} |
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62 class B extends A {} |
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63 |
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64 static boolean isMinor(int x) { |
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65 return x < 18; |
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66 } |
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67 |
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68 static boolean tst(A x) { |
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69 return true; |
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70 } |
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71 |
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72 static Object otst(Object x) { |
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73 return x; |
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74 } |
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75 |
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76 static boolean stst(Short x) { |
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77 return x < 18; |
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78 } |
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79 |
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80 static short ritst() { |
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81 return 123; |
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82 } |
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83 |
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84 public void testMethodReferenceFDPrim1() { |
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85 Pred<Byte> p = MethodReferenceTestFDCCE::isMinor; |
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86 Pred p2 = p; |
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87 assertTrue(p2.accept((Byte)(byte)15)); |
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88 } |
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89 |
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90 public void testMethodReferenceFDPrim2() { |
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91 Pred<Byte> p = MethodReferenceTestFDCCE::isMinor; |
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92 Pred p2 = p; |
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93 assertTrue(p2.accept((byte)15)); |
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94 } |
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95 |
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96 public void testMethodReferenceFDPrimICCE() { |
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97 Pred<Byte> p = MethodReferenceTestFDCCE::isMinor; |
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98 Pred p2 = p; |
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99 try { |
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100 p2.accept(15); // should throw CCE |
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101 fail("Exception should have been thrown"); |
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102 } catch (Throwable t) { |
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103 assertCCE(t); |
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104 } |
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105 } |
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106 |
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107 public void testMethodReferenceFDPrimOCCE() { |
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108 Pred<Byte> p = MethodReferenceTestFDCCE::isMinor; |
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109 Pred p2 = p; |
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110 try { |
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111 p2.accept(new Object()); // should throw CCE |
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112 fail("Exception should have been thrown"); |
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113 } catch (Throwable t) { |
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114 assertCCE(t); |
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115 } |
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116 } |
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117 |
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118 public void testMethodReferenceFDRef() { |
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119 Pred<B> p = MethodReferenceTestFDCCE::tst; |
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120 Pred p2 = p; |
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121 assertTrue(p2.accept(new B())); |
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122 } |
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123 |
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124 public void testMethodReferenceFDRefCCE() { |
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125 Pred<B> p = MethodReferenceTestFDCCE::tst; |
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126 Pred p2 = p; |
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127 try { |
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128 p2.accept(new A()); // should throw CCE |
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129 fail("Exception should have been thrown"); |
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130 } catch (Throwable t) { |
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131 assertCCE(t); |
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132 } |
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133 } |
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134 |
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135 public void testMethodReferenceFDPrimPrim() { |
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136 Ps p = MethodReferenceTestFDCCE::isMinor; |
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137 assertTrue(p.accept((byte)15)); |
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138 } |
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139 |
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140 public void testMethodReferenceFDPrimBoxed() { |
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141 Ps p = MethodReferenceTestFDCCE::stst; |
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142 assertTrue(p.accept((byte)15)); |
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143 } |
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144 |
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145 public void testMethodReferenceFDPrimRef() { |
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146 Oo p = MethodReferenceTestFDCCE::otst; |
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147 assertEquals(p.too(15).getClass().getName(), "java.lang.Integer"); |
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148 } |
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149 |
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150 public void testMethodReferenceFDRet1() { |
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151 Reto<Short> p = MethodReferenceTestFDCCE::ritst; |
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152 assertEquals(p.m(), (Short)(short)123); |
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153 } |
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154 } |