jdk-24/test/langtools/tools/javac/patterns/ConditionalTest.java
Jan Lahoda 235488215b 8250768: javac should be adapted to changes in JEP 12
Reviewed-by: mcimadamore, erikj, jjg, ihse
2021-01-11 10:10:47 +00:00

136 lines
5.0 KiB
Java

/*
* Copyright (c) 2019, 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 8236670
* @summary Verify proper scope of binding related to loops and breaks.
* @library /tools/lib /tools/javac/lib
* @modules
* jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.file
* jdk.compiler/com.sun.tools.javac.main
* jdk.compiler/com.sun.tools.javac.util
* @build toolbox.ToolBox toolbox.JavacTask
* @build combo.ComboTestHelper
* @compile ConditionalTest.java
* @run main ConditionalTest
*/
import combo.ComboInstance;
import combo.ComboParameter;
import combo.ComboTask;
import combo.ComboTestHelper;
import java.nio.file.Path;
import java.nio.file.Paths;
import toolbox.ToolBox;
public class ConditionalTest extends ComboInstance<ConditionalTest> {
protected ToolBox tb;
ConditionalTest() {
super();
tb = new ToolBox();
}
public static void main(String... args) throws Exception {
new ComboTestHelper<ConditionalTest>()
.withDimension("COND", (x, cond) -> x.cond = cond, Pattern.values())
.withDimension("TRUE", (x, trueSec) -> x.trueSec = trueSec, Pattern.values())
.withDimension("FALSE", (x, falseSec) -> x.falseSec = falseSec, Pattern.values())
.run(ConditionalTest::new);
}
private Pattern cond;
private Pattern trueSec;
private Pattern falseSec;
private static final String MAIN_TEMPLATE =
"""
public class Test {
public static boolean doTest(Object o, boolean b) {
return #{COND} ? #{TRUE} : #{FALSE}
}
}
""";
@Override
protected void doWork() throws Throwable {
Path base = Paths.get(".");
ComboTask task = newCompilationTask()
.withSourceFromTemplate(MAIN_TEMPLATE, pname -> switch (pname) {
case "COND" -> cond;
case "TRUE" -> trueSec;
case "FALSE" -> falseSec;
default -> throw new UnsupportedOperationException(pname);
});
task.analyze(result -> {
boolean shouldPass;
if (cond == Pattern.TRUE && (trueSec == Pattern.TRUE || trueSec == Pattern.FALSE)) { //6 cases covered
shouldPass = false; //already in scope in true section
} else if (cond == Pattern.FALSE && (falseSec == Pattern.TRUE || falseSec == Pattern.FALSE)) { //6 cases covered
shouldPass = false; //already in scope in false section
} else if (cond == Pattern.TRUE && falseSec == Pattern.TRUE) {
shouldPass = false; //JLS 6.3.1.4
} else if (cond == Pattern.FALSE && trueSec == Pattern.TRUE) {
shouldPass = false; //JLS 6.3.1.4
} else if (trueSec == Pattern.TRUE && falseSec == Pattern.TRUE) {
shouldPass = false; //JLS 6.3.1.4
} else if (trueSec == Pattern.TRUE && falseSec == Pattern.TRUE) {
shouldPass = false; //JLS 6.3.1.4
} else if (cond == Pattern.TRUE && falseSec == Pattern.FALSE) {
shouldPass = false; //JLS 6.3.1.4
} else if (cond == Pattern.FALSE && trueSec == Pattern.FALSE) {
shouldPass = false; //JLS 6.3.1.4
} else if (trueSec == Pattern.FALSE && falseSec == Pattern.FALSE) {
shouldPass = false; //JLS 6.3.1.4
} else {
shouldPass = true;
}
if (!shouldPass) {
result.containsKey("Blabla");
}
});
}
public enum Pattern implements ComboParameter {
NONE("b"),
TRUE("o instanceof String s"),
FALSE("!(o instanceof String s)");
private final String code;
private Pattern(String code) {
this.code = code;
}
@Override
public String expand(String optParameter) {
return code;
}
}
}