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/*
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 8268896
* @summary Verify source level checks are performed properly
* @library /tools/lib
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* jdk.compiler/com.sun.tools.javac.util
* @build toolbox.ToolBox toolbox.JavacTask
* @run main SourceLevelChecks
*/
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import toolbox.TestRunner;
import toolbox.JavacTask;
import toolbox.Task;
import toolbox.ToolBox;
public class SourceLevelChecks extends TestRunner {
private static final String JAVA_VERSION = System.getProperty("java.specification.version");
ToolBox tb;
public static void main(String... args) throws Exception {
new SourceLevelChecks().runTests();
}
SourceLevelChecks() {
super(System.err);
tb = new ToolBox();
}
public void runTests() throws Exception {
runTests(m -> new Object[] { Paths.get(m.getName()) });
}
@Test
public void testPattern(Path base) throws Exception {
doTest(base,
"""
package test;
public class Test {
private void test(Integer i) {
switch (i) {
case Integer d:
}
}
}
""",
"Test.java:5:18: compiler.err.preview.feature.disabled.plural: (compiler.misc.feature.pattern.switch)",
"1 error");
}
@Test
public void testParenthesizedPatternIf(Path base) throws Exception {
doTest(base,
"""
package test;
public class Test {
private void test(Object o) {
if (o instanceof (Integer d)) {
}
}
}
""",
"Test.java:4:26: compiler.err.preview.feature.disabled.plural: (compiler.misc.feature.pattern.switch)",
"1 error");
}
@Test
public void testParenthesizedPatternSwitch(Path base) throws Exception {
doTest(base,
"""
package test;
public class Test {
private void test(Integer i) {
switch (i) {
case (Integer d):
}
}
}
""",
"Test.java:5:18: compiler.err.preview.feature.disabled.plural: (compiler.misc.feature.pattern.switch)",
"1 error");
}
@Test
public void testCaseDefault(Path base) throws Exception {
doTest(base,
"""
package test;
public class Test {
private void test(Integer i) {
switch (i) {
case default:
}
}
}
""",
"Test.java:5:18: compiler.err.preview.feature.disabled.plural: (compiler.misc.feature.pattern.switch)",
"1 error");
}
private void doTest(Path base, String testCode, String... expectedErrors) throws IOException {
Path current = base.resolve(".");
Path src = current.resolve("src");
Path classes = current.resolve("classes");
tb.writeJavaFiles(src, testCode);
Files.createDirectories(classes);
var log =
new JavacTask(tb)
.options("-source", "11",
"-Xlint:-options",
"-XDrawDiagnostics")
.outdir(classes)
.files(tb.findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
if (!List.of(expectedErrors).equals(log)) {
throw new AssertionError("Incorrect errors, expected: " + List.of(expectedErrors) +
", actual: " + log);
}
}
}
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