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1 /* |
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2 * Copyright (c) 2010, 2011, 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 6996914 7020044 |
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27 * @summary Diamond inference: problem when accessing protected constructor |
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28 * @run main T6996914a |
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29 */ |
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30 |
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31 import com.sun.source.util.JavacTask; |
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32 import java.net.URI; |
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33 import java.util.Arrays; |
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34 import javax.tools.Diagnostic; |
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35 import javax.tools.DiagnosticListener; |
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36 import javax.tools.JavaCompiler; |
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37 import javax.tools.JavaFileObject; |
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38 import javax.tools.SimpleJavaFileObject; |
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39 import javax.tools.ToolProvider; |
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40 |
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41 public class T6996914a { |
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42 |
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43 enum PackageKind { |
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44 DEFAULT("", ""), |
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45 A("package a;", "import a.*;"); |
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46 |
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47 String pkgDecl; |
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48 String importDecl; |
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49 |
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50 PackageKind(String pkgDecl, String importDecl) { |
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51 this.pkgDecl = pkgDecl; |
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52 this.importDecl = importDecl; |
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53 } |
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54 } |
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55 |
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56 enum ConstructorKind { |
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57 PACKAGE(""), |
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58 PROTECTED("protected"), |
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59 PRIVATE("private"), |
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60 PUBLIC("public"); |
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61 |
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62 String mod; |
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63 |
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64 ConstructorKind(String mod) { |
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65 this.mod = mod; |
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66 } |
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67 } |
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68 |
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69 static class FooClass extends SimpleJavaFileObject { |
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70 |
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71 final static String sourceStub = |
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72 "#P\n" + |
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73 "public class Foo<X> {\n" + |
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74 " #M Foo() {}\n" + |
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75 "}\n"; |
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76 |
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77 String source; |
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78 |
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79 public FooClass(PackageKind pk, ConstructorKind ck) { |
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80 super(URI.create("myfo:/" + (pk != PackageKind.DEFAULT ? "a/Foo.java" : "Foo.java")), |
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81 JavaFileObject.Kind.SOURCE); |
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82 source = sourceStub.replace("#P", pk.pkgDecl).replace("#M", ck.mod); |
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83 } |
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84 |
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85 @Override |
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86 public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
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87 return source; |
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88 } |
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89 } |
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90 |
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91 static class ClientClass extends SimpleJavaFileObject { |
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92 |
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93 final static String sourceStub = |
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94 "#I\n" + |
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95 "class Test {\n" + |
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96 " Foo<String> fs = new Foo<>();\n" + |
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97 "}\n"; |
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98 |
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99 String source; |
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100 |
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101 public ClientClass(PackageKind pk) { |
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102 super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
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103 source = sourceStub.replace("#I", pk.importDecl); |
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104 } |
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105 |
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106 @Override |
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107 public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
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108 return source; |
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109 } |
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110 } |
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111 |
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112 public static void main(String... args) throws Exception { |
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113 for (PackageKind pk : PackageKind.values()) { |
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114 for (ConstructorKind ck : ConstructorKind.values()) { |
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115 compileAndCheck(pk, ck); |
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116 } |
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117 } |
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118 } |
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119 |
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120 static void compileAndCheck(PackageKind pk, ConstructorKind ck) throws Exception { |
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121 FooClass foo = new FooClass(pk, ck); |
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122 ClientClass client = new ClientClass(pk); |
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123 final JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); |
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124 ErrorListener el = new ErrorListener(); |
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125 JavacTask ct = (JavacTask)tool.getTask(null, null, el, |
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126 null, null, Arrays.asList(foo, client)); |
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127 ct.analyze(); |
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128 if (el.errors > 0 == check(pk, ck)) { |
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129 String msg = el.errors > 0 ? |
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130 "Error compiling files" : |
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131 "No error when compiling files"; |
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132 throw new AssertionError(msg + ": \n" + foo.source + "\n" + client.source); |
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133 } |
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134 } |
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135 |
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136 static boolean check(PackageKind pk, ConstructorKind ck) { |
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137 switch (pk) { |
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138 case A: return ck == ConstructorKind.PUBLIC; |
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139 case DEFAULT: return ck != ConstructorKind.PRIVATE; |
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140 default: throw new AssertionError("Unknown package kind"); |
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141 } |
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142 } |
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143 |
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144 /** |
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145 * DiagnosticListener to count any errors that occur |
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146 */ |
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147 private static class ErrorListener implements DiagnosticListener<JavaFileObject> { |
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148 |
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149 public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
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150 switch (diagnostic.getKind()) { |
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151 case ERROR: |
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152 errors++; |
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153 } |
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154 } |
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155 int errors; |
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156 } |
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157 } |