author | amurillo |
Mon, 11 Apr 2016 20:38:38 -0700 (2016-04-12) | |
changeset 37298 | 8df0cc9da41e |
parent 34560 | b6a567b677f7 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 6838467 |
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* @summary JSR199 FileObjects don't obey general contract of equals. |
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* @modules jdk.compiler/com.sun.tools.javac.file |
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* jdk.compiler/com.sun.tools.javac.util |
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*/ |
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import java.io.*; |
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import java.util.*; |
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import java.util.zip.*; |
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import javax.tools.*; |
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import javax.tools.JavaFileManager.Location; |
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import com.sun.tools.javac.file.JavacFileManager; |
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import com.sun.tools.javac.util.Context; |
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public class T6838467 { |
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enum FileKind { |
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DIR("dir"), |
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ZIP("zip"); |
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FileKind(String path) { |
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file = new File(path); |
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} |
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final File file; |
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}; |
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enum CompareKind { |
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SAME { |
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@Override |
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File other(File f) { return f; } |
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}, |
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ABSOLUTE { |
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@Override |
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File other(File f) { return f.getAbsoluteFile(); } |
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}, |
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DIFFERENT { |
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@Override |
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File other(File f) { return new File("not_" + f.getPath()); } |
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}, |
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CASEEQUIV { |
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@Override |
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File other(File f) { return new File(f.getPath().toUpperCase()); } |
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}; |
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abstract File other(File f); |
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}; |
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String[] paths = { "p/A.java", "p/B.java", "p/C.java" }; |
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public static void main(String... args) throws Exception { |
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new T6838467().run(); |
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} |
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void run() throws Exception { |
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boolean fileNameIsCaseSignificant = isFileNameCaseSignificant(); |
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boolean fileLookupIsCaseSignificant = isFileLookupCaseSignificant(); |
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String osName = System.getProperty("os.name"); |
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System.err.println("OS: " + osName); |
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System.err.println("fileNameIsCaseSignificant:" + fileNameIsCaseSignificant); |
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System.err.println("fileLookupIsCaseSignificant:" + fileLookupIsCaseSignificant); |
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// on Windows, verify file system is not case significant |
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if ((osName.startsWith("windows")) && fileNameIsCaseSignificant) { |
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error("fileNameIsCaseSignificant is set on " + osName + "."); |
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} |
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// create a set of directories and zip files to compare |
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createTestDir(new File("dir"), paths); |
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createTestDir(new File("not_dir"), paths); |
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createTestZip(new File("zip"), paths); |
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createTestZip(new File("not_zip"), paths); |
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if (fileNameIsCaseSignificant || fileLookupIsCaseSignificant) { |
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createTestDir(new File("DIR"), paths); |
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createTestZip(new File("ZIP"), paths); |
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} |
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// test the various sorts of file objects that can be obtained from |
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// the file manager, and for various values that may or may not match. |
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for (FileKind fk: FileKind.values()) { |
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for (CompareKind ck: CompareKind.values()) { |
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test(fk, ck); |
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} |
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} |
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// verify that the various different types of file object were all |
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// tested |
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Set<String> expectClasses = new HashSet<>(Arrays.asList( |
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"DirectoryFileObject", |
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"JarFileObject" )); |
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if (!foundClasses.equals(expectClasses)) { |
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error("expected fileobject classes not found\n" |
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+ "expected: " + expectClasses + "\n" |
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+ "found: " + foundClasses); |
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} |
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if (errors > 0) |
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throw new Exception(errors + " errors"); |
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} |
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void test(FileKind fk, CompareKind ck) throws IOException { |
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try (StandardJavaFileManager fm = createFileManager()) { |
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File f1 = fk.file; |
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Location l1 = createLocation(fm, "l1", f1); |
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File f2 = ck.other(fk.file); |
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Location l2 = createLocation(fm, "l2", f2); |
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|
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// If the directories or zip files match, we expect "n" matches in |
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// the "n-squared" comparisons to come, where "n" is the number of |
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// entries in the the directories or zip files. |
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// If the directories or zip files don't themselves match, |
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// we obviously don't expect any of their contents to match either. |
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int expectEqualCount = (f1.getCanonicalFile().equals(f2.getCanonicalFile()) ? paths.length : 0); |
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|
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System.err.println("test " + (++count) + " " + fk + " " + ck + " " + f1 + " " + f2); |
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test(fm, l1, l2, expectEqualCount); |
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} |
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} |
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145 |
|
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// For a pair of file managers that may or may not have similar entries |
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// on the classpath, compare all files returned from one against all files |
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// returned from the other. For each pair of files, verify that if they |
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// are equal, the hashcode is equal as well, and finally verify that the |
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// expected number of matches was found. |
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void test(JavaFileManager fm, Location l1, Location l2, int expectEqualCount) throws IOException { |
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boolean foundFiles1 = false; |
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boolean foundFiles2 = false; |
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int foundEqualCount = 0; |
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Set<JavaFileObject.Kind> kinds = EnumSet.allOf(JavaFileObject.Kind.class); |
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for (FileObject fo1: fm.list(l1, "p", kinds, false)) { |
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foundFiles1 = true; |
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foundClasses.add(fo1.getClass().getSimpleName()); |
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for (FileObject fo2: fm.list(l2, "p", kinds, false)) { |
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foundFiles2 = true; |
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foundClasses.add(fo2.getClass().getSimpleName()); |
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System.err.println("compare " + fo1 + " " + fo2); |
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if (fo1.equals(fo2)) { |
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foundEqualCount++; |
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int hash1 = fo1.hashCode(); |
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int hash2 = fo2.hashCode(); |
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if (hash1 != hash2) |
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error("hashCode error: " + fo1 + " [" + hash1 + "] " |
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+ fo2 + " [" + hash2 + "]"); |
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} |
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171 |
} |
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172 |
} |
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if (!foundFiles1) |
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error("no files found for location " + l1); |
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if (!foundFiles2) |
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error("no files found for location " + l2); |
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177 |
// verify the expected number of matches were found |
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|
178 |
if (foundEqualCount != expectEqualCount) |
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|
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error("expected matches not found: expected " + expectEqualCount + ", found " + foundEqualCount); |
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180 |
} |
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|
181 |
|
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182 |
// create and initialize a location to test a FileKind, with a given directory |
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183 |
// or zip file placed on the path |
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184 |
Location createLocation(StandardJavaFileManager fm, String name, File classpath) throws IOException { |
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185 |
Location l = new Location() { |
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186 |
@Override |
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187 |
public String getName() { |
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|
188 |
return name; |
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|
189 |
} |
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|
190 |
|
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|
191 |
@Override |
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|
192 |
public boolean isOutputLocation() { |
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|
193 |
return false; |
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|
194 |
} |
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|
195 |
|
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|
196 |
}; |
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|
197 |
fm.setLocation(l, Arrays.asList(classpath)); |
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|
198 |
return l; |
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|
199 |
} |
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|
200 |
|
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|
201 |
JavacFileManager createFileManager() { |
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|
202 |
Context ctx = new Context(); |
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|
203 |
return new JavacFileManager(ctx, false, null); |
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|
204 |
} |
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|
205 |
|
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206 |
// create a directory containing a given set of paths |
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|
207 |
void createTestDir(File dir, String[] paths) throws IOException { |
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|
208 |
for (String p: paths) { |
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|
209 |
File file = new File(dir, p); |
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|
210 |
file.getParentFile().mkdirs(); |
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|
211 |
try (FileWriter out = new FileWriter(file)) { |
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|
212 |
out.write(p); |
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|
213 |
} |
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|
214 |
} |
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|
215 |
} |
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|
216 |
|
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217 |
// create a zip file containing a given set of entries |
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|
218 |
void createTestZip(File zip, String[] paths) throws IOException { |
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|
219 |
if (zip.getParentFile() != null) |
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|
220 |
zip.getParentFile().mkdirs(); |
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|
221 |
try (ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zip))) { |
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|
222 |
for (String p: paths) { |
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|
223 |
ZipEntry ze = new ZipEntry(p); |
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|
224 |
zos.putNextEntry(ze); |
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|
225 |
byte[] bytes = p.getBytes(); |
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|
226 |
zos.write(bytes, 0, bytes.length); |
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|
227 |
zos.closeEntry(); |
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|
228 |
} |
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|
229 |
} |
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|
230 |
} |
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|
231 |
|
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|
232 |
void error(String msg) { |
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|
233 |
System.err.println("Error: " + msg); |
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|
234 |
errors++; |
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|
235 |
} |
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|
236 |
|
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|
237 |
boolean isFileNameCaseSignificant() { |
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|
238 |
File lower = new File("test.txt"); |
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|
239 |
File upper = new File(lower.getPath().toUpperCase()); |
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|
240 |
return !lower.equals(upper); |
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|
241 |
} |
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|
242 |
|
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|
243 |
boolean isFileLookupCaseSignificant() throws IOException { |
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|
244 |
File lower = new File("test.txt"); |
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|
245 |
File upper = new File(lower.getPath().toUpperCase()); |
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|
246 |
if (upper.exists()) { |
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|
247 |
upper.delete(); |
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|
248 |
} |
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|
249 |
try (FileWriter out = new FileWriter(lower)) { } |
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|
250 |
return !upper.exists(); |
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|
251 |
} |
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|
252 |
|
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|
253 |
int count; |
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|
254 |
int errors; |
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|
255 |
Set<String> foundClasses = new HashSet<>(); |
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|
256 |
} |
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|
257 |