Fri, 24 Apr 2020 03:58:51 +0100
Merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | import com.sun.tools.javac.util.*; |
aoqi@0 | 25 | import com.sun.tools.javac.api.*; |
aoqi@0 | 26 | import com.sun.tools.javac.file.*; |
aoqi@0 | 27 | import java.io.*; |
aoqi@0 | 28 | import java.util.*; |
aoqi@0 | 29 | import javax.tools.*; |
aoqi@0 | 30 | |
aoqi@0 | 31 | // More general parameter limit testing framework, and designed so |
aoqi@0 | 32 | // that it could be expanded into a general limits-testing framework |
aoqi@0 | 33 | // in the future. |
aoqi@0 | 34 | public class NumArgsTest { |
aoqi@0 | 35 | |
aoqi@0 | 36 | private static final NumArgsTest.NestingDef[] NO_NESTING = {}; |
aoqi@0 | 37 | |
aoqi@0 | 38 | // threshold is named as such because "threshold" args is expected |
aoqi@0 | 39 | // to pass, and "threshold" + 1 args is expected to fail. |
aoqi@0 | 40 | private final int threshold; |
aoqi@0 | 41 | private final boolean isStaticMethod; |
aoqi@0 | 42 | private final String result; |
aoqi@0 | 43 | private final String testName; |
aoqi@0 | 44 | private final String methodName; |
aoqi@0 | 45 | private final NestingDef[] nesting; |
aoqi@0 | 46 | private final File testdir; |
aoqi@0 | 47 | private final JavacTool tool = JavacTool.create(); |
aoqi@0 | 48 | private final JavacFileManager fm = |
aoqi@0 | 49 | tool.getStandardFileManager(null, null, null); |
aoqi@0 | 50 | private int errors = 0; |
aoqi@0 | 51 | |
aoqi@0 | 52 | public NumArgsTest(final int threshold, |
aoqi@0 | 53 | final boolean isStaticMethod, |
aoqi@0 | 54 | final String result, |
aoqi@0 | 55 | final String methodName, |
aoqi@0 | 56 | final String testName, |
aoqi@0 | 57 | final NestingDef[] nesting) { |
aoqi@0 | 58 | this.threshold = threshold; |
aoqi@0 | 59 | this.isStaticMethod = isStaticMethod; |
aoqi@0 | 60 | this.result = result; |
aoqi@0 | 61 | this.methodName = methodName; |
aoqi@0 | 62 | this.testName = testName; |
aoqi@0 | 63 | this.nesting = nesting; |
aoqi@0 | 64 | testdir = new File(testName); |
aoqi@0 | 65 | testdir.mkdir(); |
aoqi@0 | 66 | } |
aoqi@0 | 67 | |
aoqi@0 | 68 | public NumArgsTest(final int threshold, |
aoqi@0 | 69 | final boolean isStaticMethod, |
aoqi@0 | 70 | final String result, |
aoqi@0 | 71 | final String methodName, |
aoqi@0 | 72 | final String testName) { |
aoqi@0 | 73 | this(threshold, isStaticMethod, result, methodName, |
aoqi@0 | 74 | testName, NO_NESTING); |
aoqi@0 | 75 | } |
aoqi@0 | 76 | |
aoqi@0 | 77 | public NumArgsTest(final int threshold, |
aoqi@0 | 78 | final String result, |
aoqi@0 | 79 | final String methodName, |
aoqi@0 | 80 | final String testName, |
aoqi@0 | 81 | final NestingDef[] nesting) { |
aoqi@0 | 82 | this(threshold, false, result, methodName, testName, nesting); |
aoqi@0 | 83 | } |
aoqi@0 | 84 | |
aoqi@0 | 85 | public NumArgsTest(final int threshold, |
aoqi@0 | 86 | final String result, |
aoqi@0 | 87 | final String methodName, |
aoqi@0 | 88 | final String testName) { |
aoqi@0 | 89 | this(threshold, false, result, methodName, testName, NO_NESTING); |
aoqi@0 | 90 | } |
aoqi@0 | 91 | |
aoqi@0 | 92 | public NumArgsTest(final int threshold, |
aoqi@0 | 93 | final String testName, |
aoqi@0 | 94 | final NestingDef[] nesting) { |
aoqi@0 | 95 | this(threshold, null, null, testName, nesting); |
aoqi@0 | 96 | } |
aoqi@0 | 97 | |
aoqi@0 | 98 | public NumArgsTest(final int threshold, |
aoqi@0 | 99 | final String testName) { |
aoqi@0 | 100 | this(threshold, null, null, testName, NO_NESTING); |
aoqi@0 | 101 | } |
aoqi@0 | 102 | |
aoqi@0 | 103 | public NumArgsTest(final int threshold, |
aoqi@0 | 104 | final String testName, |
aoqi@0 | 105 | final String constructorName, |
aoqi@0 | 106 | final NestingDef[] nesting) { |
aoqi@0 | 107 | this(threshold, null, constructorName, testName, nesting); |
aoqi@0 | 108 | } |
aoqi@0 | 109 | |
aoqi@0 | 110 | protected void writeArgs(final int num, final PrintWriter stream) |
aoqi@0 | 111 | throws IOException { |
aoqi@0 | 112 | stream.print("int x1"); |
aoqi@0 | 113 | for(int i = 1; i < num; i++) |
aoqi@0 | 114 | stream.print(", int x" + (i + 1)); |
aoqi@0 | 115 | } |
aoqi@0 | 116 | |
aoqi@0 | 117 | protected void writeMethod(final int num, |
aoqi@0 | 118 | final String name, |
aoqi@0 | 119 | final PrintWriter stream) |
aoqi@0 | 120 | throws IOException { |
aoqi@0 | 121 | stream.write("public "); |
aoqi@0 | 122 | if (isStaticMethod) stream.write("static "); |
aoqi@0 | 123 | if (result == null) |
aoqi@0 | 124 | stream.write(""); |
aoqi@0 | 125 | else { |
aoqi@0 | 126 | stream.write(result); |
aoqi@0 | 127 | stream.write(" "); |
aoqi@0 | 128 | } |
aoqi@0 | 129 | stream.write(name); |
aoqi@0 | 130 | stream.write("("); |
aoqi@0 | 131 | writeArgs(num, stream); |
aoqi@0 | 132 | stream.write(") {}\n"); |
aoqi@0 | 133 | } |
aoqi@0 | 134 | |
aoqi@0 | 135 | protected void writeJavaFile(final int num, |
aoqi@0 | 136 | final boolean pass, |
aoqi@0 | 137 | final PrintWriter stream) |
aoqi@0 | 138 | throws IOException { |
aoqi@0 | 139 | final String fullName = testName + (pass ? "Pass" : "Fail"); |
aoqi@0 | 140 | stream.write("public class "); |
aoqi@0 | 141 | stream.write(fullName); |
aoqi@0 | 142 | stream.write(" {\n"); |
aoqi@0 | 143 | for(int i = 0; i < nesting.length; i++) |
aoqi@0 | 144 | nesting[i].writeBefore(stream); |
aoqi@0 | 145 | if (null == methodName) |
aoqi@0 | 146 | writeMethod(num, fullName, stream); |
aoqi@0 | 147 | else |
aoqi@0 | 148 | writeMethod(num, methodName, stream); |
aoqi@0 | 149 | for(int i = nesting.length - 1; i >= 0; i--) |
aoqi@0 | 150 | nesting[i].writeAfter(stream); |
aoqi@0 | 151 | stream.write("}\n"); |
aoqi@0 | 152 | } |
aoqi@0 | 153 | |
aoqi@0 | 154 | public void runTest() throws Exception { |
aoqi@0 | 155 | // Run the pass test |
aoqi@0 | 156 | final String passTestName = testName + "Pass.java"; |
aoqi@0 | 157 | final StringWriter passBody = new StringWriter(); |
aoqi@0 | 158 | final PrintWriter passStream = new PrintWriter(passBody); |
aoqi@0 | 159 | final File passFile = new File(testdir, passTestName); |
aoqi@0 | 160 | final FileWriter passWriter = new FileWriter(passFile); |
aoqi@0 | 161 | |
aoqi@0 | 162 | writeJavaFile(threshold, true, passStream); |
aoqi@0 | 163 | passStream.close(); |
aoqi@0 | 164 | passWriter.write(passBody.toString()); |
aoqi@0 | 165 | passWriter.close(); |
aoqi@0 | 166 | |
aoqi@0 | 167 | final StringWriter passSW = new StringWriter(); |
aoqi@0 | 168 | final String[] passArgs = { passFile.toString() }; |
aoqi@0 | 169 | final Iterable<? extends JavaFileObject> passFiles = |
aoqi@0 | 170 | fm.getJavaFileObjectsFromFiles(Arrays.asList(passFile)); |
aoqi@0 | 171 | final JavaCompiler.CompilationTask passTask = |
aoqi@0 | 172 | tool.getTask(passSW, fm, null, null, null, passFiles); |
aoqi@0 | 173 | |
aoqi@0 | 174 | if (!passTask.call()) { |
aoqi@0 | 175 | errors++; |
aoqi@0 | 176 | System.err.println("Compilation unexpectedly failed. Body:\n" + |
aoqi@0 | 177 | passBody); |
aoqi@0 | 178 | System.err.println("Output:\n" + passSW.toString()); |
aoqi@0 | 179 | } |
aoqi@0 | 180 | |
aoqi@0 | 181 | // Run the fail test |
aoqi@0 | 182 | final String failTestName = testName + "Fail.java"; |
aoqi@0 | 183 | final StringWriter failBody = new StringWriter(); |
aoqi@0 | 184 | final PrintWriter failStream = new PrintWriter(failBody); |
aoqi@0 | 185 | final File failFile = new File(testdir, failTestName); |
aoqi@0 | 186 | final FileWriter failWriter = new FileWriter(failFile); |
aoqi@0 | 187 | |
aoqi@0 | 188 | writeJavaFile(threshold + 1, false, failStream); |
aoqi@0 | 189 | failStream.close(); |
aoqi@0 | 190 | failWriter.write(failBody.toString()); |
aoqi@0 | 191 | failWriter.close(); |
aoqi@0 | 192 | |
aoqi@0 | 193 | final StringWriter failSW = new StringWriter(); |
aoqi@0 | 194 | final TestDiagnosticHandler failDiag = |
aoqi@0 | 195 | new TestDiagnosticHandler("compiler.err.limit.parameters"); |
aoqi@0 | 196 | final Iterable<? extends JavaFileObject> failFiles = |
aoqi@0 | 197 | fm.getJavaFileObjectsFromFiles(Arrays.asList(failFile)); |
aoqi@0 | 198 | final JavaCompiler.CompilationTask failTask = |
aoqi@0 | 199 | tool.getTask(failSW, |
aoqi@0 | 200 | tool.getStandardFileManager(null, null, null), |
aoqi@0 | 201 | failDiag, |
aoqi@0 | 202 | null, |
aoqi@0 | 203 | null, |
aoqi@0 | 204 | failFiles); |
aoqi@0 | 205 | |
aoqi@0 | 206 | if (failTask.call()) { |
aoqi@0 | 207 | errors++; |
aoqi@0 | 208 | System.err.println("Compilation unexpectedly succeeded."); |
aoqi@0 | 209 | System.err.println("Input:\n" + failBody); |
aoqi@0 | 210 | } |
aoqi@0 | 211 | |
aoqi@0 | 212 | if (!failDiag.sawError) { |
aoqi@0 | 213 | errors++; |
aoqi@0 | 214 | System.err.println("Did not see expected compile error."); |
aoqi@0 | 215 | } |
aoqi@0 | 216 | |
aoqi@0 | 217 | if (errors != 0) |
aoqi@0 | 218 | throw new RuntimeException("Test failed with " + |
aoqi@0 | 219 | errors + " errors"); |
aoqi@0 | 220 | } |
aoqi@0 | 221 | |
aoqi@0 | 222 | public static NestingDef classNesting(final String name) { |
aoqi@0 | 223 | return new NestedClassBuilder(name, false); |
aoqi@0 | 224 | } |
aoqi@0 | 225 | |
aoqi@0 | 226 | public static NestingDef classNesting(final String name, |
aoqi@0 | 227 | final boolean isStatic) { |
aoqi@0 | 228 | return new NestedClassBuilder(name, isStatic); |
aoqi@0 | 229 | } |
aoqi@0 | 230 | |
aoqi@0 | 231 | protected interface NestingDef { |
aoqi@0 | 232 | public abstract void writeBefore(final PrintWriter stream); |
aoqi@0 | 233 | public abstract void writeAfter(final PrintWriter stream); |
aoqi@0 | 234 | } |
aoqi@0 | 235 | |
aoqi@0 | 236 | private static class NestedClassBuilder implements NestingDef { |
aoqi@0 | 237 | private final String name; |
aoqi@0 | 238 | private final boolean isStatic; |
aoqi@0 | 239 | public NestedClassBuilder(final String name, final boolean isStatic) { |
aoqi@0 | 240 | this.name = name; |
aoqi@0 | 241 | this.isStatic = isStatic; |
aoqi@0 | 242 | } |
aoqi@0 | 243 | public void writeBefore(final PrintWriter stream) { |
aoqi@0 | 244 | stream.write("public "); |
aoqi@0 | 245 | if (isStatic) stream.write("static"); |
aoqi@0 | 246 | stream.write(" class "); |
aoqi@0 | 247 | stream.write(name); |
aoqi@0 | 248 | stream.write(" {\n"); |
aoqi@0 | 249 | } |
aoqi@0 | 250 | public void writeAfter(final PrintWriter stream) { |
aoqi@0 | 251 | stream.write("}\n"); |
aoqi@0 | 252 | } |
aoqi@0 | 253 | } |
aoqi@0 | 254 | |
aoqi@0 | 255 | public class TestDiagnosticHandler<T> implements DiagnosticListener<T> { |
aoqi@0 | 256 | public boolean sawError; |
aoqi@0 | 257 | public final String target; |
aoqi@0 | 258 | |
aoqi@0 | 259 | public TestDiagnosticHandler(final String target) { |
aoqi@0 | 260 | this.target = target; |
aoqi@0 | 261 | } |
aoqi@0 | 262 | |
aoqi@0 | 263 | public void report(final Diagnostic<? extends T> diag) { |
aoqi@0 | 264 | if (diag.getCode().equals(target)) |
aoqi@0 | 265 | sawError = true; |
aoqi@0 | 266 | } |
aoqi@0 | 267 | } |
aoqi@0 | 268 | |
aoqi@0 | 269 | } |