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8292756: java.lang.AssertionError at at jdk.compiler/com.sun.tools.ja…
…vac.code.Scope$ScopeImpl.leave(Scope.java:386) Reviewed-by: vromero
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104 changes: 104 additions & 0 deletions
104
test/langtools/tools/javac/patterns/ScopeResizeTest.java
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/* | ||
* Copyright (c) 2022, 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 8292756 | ||
* @summary Verify the Scope can be safely and correctly resized to accommodate pattern binding variables | ||
* when the Scope for a guard is constructed. | ||
* @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 ScopeResizeTest.java | ||
* @run main ScopeResizeTest | ||
*/ | ||
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import combo.ComboInstance; | ||
import combo.ComboParameter; | ||
import combo.ComboTask; | ||
import combo.ComboTestHelper; | ||
import java.util.stream.Stream; | ||
import toolbox.ToolBox; | ||
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public class ScopeResizeTest extends ComboInstance<ScopeResizeTest> { | ||
protected ToolBox tb; | ||
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ScopeResizeTest() { | ||
super(); | ||
tb = new ToolBox(); | ||
} | ||
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public static void main(String... args) throws Exception { | ||
int variantsSize = 17; | ||
PredefinedVariables[] variants = Stream.iterate(0, i -> i + 1) | ||
.limit(variantsSize) | ||
.map(s -> new PredefinedVariables(s)) | ||
.toArray(s -> new PredefinedVariables[s]); | ||
new ComboTestHelper<ScopeResizeTest>() | ||
.withDimension("PREDEFINED_VARIABLES", (x, predefinedVariables) -> x.predefinedVariables = predefinedVariables, variants) | ||
.run(ScopeResizeTest::new); | ||
} | ||
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private PredefinedVariables predefinedVariables; | ||
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private static final String MAIN_TEMPLATE = | ||
""" | ||
public class Test { | ||
public static void test(Object o) { | ||
#{PREDEFINED_VARIABLES} | ||
switch (o) { | ||
case String s when s.isEmpty() -> {} | ||
default -> {} | ||
} | ||
} | ||
} | ||
"""; | ||
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@Override | ||
protected void doWork() throws Throwable { | ||
ComboTask task = newCompilationTask() | ||
.withSourceFromTemplate(MAIN_TEMPLATE, pname -> switch (pname) { | ||
case "PREDEFINED_VARIABLES" -> predefinedVariables; | ||
default -> throw new UnsupportedOperationException(pname); | ||
}); | ||
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task.analyze(result -> {}); | ||
} | ||
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public record PredefinedVariables(int size) implements ComboParameter { | ||
@Override | ||
public String expand(String optParameter) { | ||
StringBuilder variables = new StringBuilder(); | ||
for (int i = 0; i < size(); i++) { | ||
variables.append("int i" + i + ";\n"); | ||
} | ||
return variables.toString(); | ||
} | ||
} | ||
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} |
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