94 lines
3.1 KiB
Java
94 lines
3.1 KiB
Java
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/*
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* @test /nodynamiccopyright/
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* @bug 7144981
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* @summary javac should ignore ignorable characters in input
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* @modules jdk.compiler
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* @run main IgnoreIgnorableCharactersInInput
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*/
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import com.sun.source.util.JavacTask;
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import java.io.File;
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import java.net.URI;
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import java.util.Arrays;
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import java.util.Set;
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import java.util.TreeSet;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import javax.tools.ToolProvider;
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public class IgnoreIgnorableCharactersInInput {
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public static void main(String... args) throws Exception {
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new IgnoreIgnorableCharactersInInput().run();
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}
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void run() throws Exception {
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JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
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File classesDir = new File(System.getProperty("user.dir"), "classes");
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classesDir.mkdirs();
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JavaSource[] sources = new JavaSource[]{
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new JavaSource("TestOneIgnorableChar", "AA\\u0000BB"),
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new JavaSource("TestMultipleIgnorableChar", "AA\\u0000\\u0000\\u0000BB")};
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JavacTask ct = (JavacTask)comp.getTask(null, null, null,
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Arrays.asList("-d", classesDir.getPath()),
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null, Arrays.asList(sources));
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try {
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if (!ct.call()) {
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throw new AssertionError("Error thrown when compiling test cases");
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}
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} catch (Throwable ex) {
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throw new AssertionError("Error thrown when compiling test cases");
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}
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check(classesDir,
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"TestOneIgnorableChar.class",
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"TestOneIgnorableChar$AABB.class",
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"TestMultipleIgnorableChar.class",
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"TestMultipleIgnorableChar$AABB.class");
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if (errors > 0)
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throw new AssertionError("There are some errors in the test check the error output");
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}
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/**
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* Check that a directory contains the expected files.
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*/
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void check(File dir, String... paths) {
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Set<String> found = new TreeSet<String>(Arrays.asList(dir.list()));
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Set<String> expect = new TreeSet<String>(Arrays.asList(paths));
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if (found.equals(expect))
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return;
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for (String f: found) {
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if (!expect.contains(f))
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error("Unexpected file found: " + f);
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}
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for (String e: expect) {
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if (!found.contains(e))
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error("Expected file not found: " + e);
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}
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}
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int errors;
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void error(String msg) {
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System.err.println(msg);
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errors++;
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}
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class JavaSource extends SimpleJavaFileObject {
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String internalSource =
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"public class #O {public class #I {} }";
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public JavaSource(String outerClassName, String innerClassName) {
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super(URI.create(outerClassName + ".java"), JavaFileObject.Kind.SOURCE);
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internalSource =
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internalSource.replace("#O", outerClassName).replace("#I", innerClassName);
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return internalSource;
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}
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}
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}
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