105 lines
3.8 KiB
Java
105 lines
3.8 KiB
Java
/*
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* Copyright (c) 2022, 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 8292756
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* @summary Verify the Scope can be safely and correctly resized to accommodate pattern binding variables
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* when the Scope for a guard is constructed.
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* @library /tools/lib /tools/javac/lib
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* @modules
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* jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.file
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* jdk.compiler/com.sun.tools.javac.main
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* jdk.compiler/com.sun.tools.javac.util
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* @build toolbox.ToolBox toolbox.JavacTask
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* @build combo.ComboTestHelper
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* @compile ScopeResizeTest.java
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* @run main ScopeResizeTest
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*/
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import combo.ComboInstance;
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import combo.ComboParameter;
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import combo.ComboTask;
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import combo.ComboTestHelper;
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import java.util.stream.Stream;
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import toolbox.ToolBox;
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public class ScopeResizeTest extends ComboInstance<ScopeResizeTest> {
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protected ToolBox tb;
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ScopeResizeTest() {
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super();
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tb = new ToolBox();
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}
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public static void main(String... args) throws Exception {
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int variantsSize = 17;
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PredefinedVariables[] variants = Stream.iterate(0, i -> i + 1)
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.limit(variantsSize)
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.map(s -> new PredefinedVariables(s))
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.toArray(s -> new PredefinedVariables[s]);
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new ComboTestHelper<ScopeResizeTest>()
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.withDimension("PREDEFINED_VARIABLES", (x, predefinedVariables) -> x.predefinedVariables = predefinedVariables, variants)
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.run(ScopeResizeTest::new);
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}
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private PredefinedVariables predefinedVariables;
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private static final String MAIN_TEMPLATE =
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"""
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public class Test {
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public static void test(Object o) {
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#{PREDEFINED_VARIABLES}
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switch (o) {
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case String s when s.isEmpty() -> {}
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default -> {}
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}
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}
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}
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""";
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@Override
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protected void doWork() throws Throwable {
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ComboTask task = newCompilationTask()
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.withSourceFromTemplate(MAIN_TEMPLATE, pname -> switch (pname) {
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case "PREDEFINED_VARIABLES" -> predefinedVariables;
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default -> throw new UnsupportedOperationException(pname);
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});
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task.analyze(result -> {});
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}
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public record PredefinedVariables(int size) implements ComboParameter {
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@Override
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public String expand(String optParameter) {
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StringBuilder variables = new StringBuilder();
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for (int i = 0; i < size(); i++) {
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variables.append("int i" + i + ";\n");
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}
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return variables.toString();
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}
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}
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}
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