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Diffstat (limited to 'asm-commons/src/test/java/org/objectweb/asm/commons/LocalVariablesSorterTest.java')
-rw-r--r-- | asm-commons/src/test/java/org/objectweb/asm/commons/LocalVariablesSorterTest.java | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/asm-commons/src/test/java/org/objectweb/asm/commons/LocalVariablesSorterTest.java b/asm-commons/src/test/java/org/objectweb/asm/commons/LocalVariablesSorterTest.java new file mode 100644 index 00000000..bafcedb7 --- /dev/null +++ b/asm-commons/src/test/java/org/objectweb/asm/commons/LocalVariablesSorterTest.java @@ -0,0 +1,248 @@ +// ASM: a very small and fast Java bytecode manipulation framework +// Copyright (c) 2000-2011 INRIA, France Telecom +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// 3. Neither the name of the copyright holders nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF +// THE POSSIBILITY OF SUCH DAMAGE. +package org.objectweb.asm.commons; + +import static org.junit.jupiter.api.Assertions.assertDoesNotThrow; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertThrows; +import static org.junit.jupiter.api.Assertions.assertTrue; + +import java.io.FileNotFoundException; +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Paths; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.function.Executable; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.MethodSource; +import org.objectweb.asm.ClassReader; +import org.objectweb.asm.ClassVisitor; +import org.objectweb.asm.ClassWriter; +import org.objectweb.asm.MethodVisitor; +import org.objectweb.asm.Opcodes; +import org.objectweb.asm.Type; +import org.objectweb.asm.test.AsmTest; +import org.objectweb.asm.test.ClassFile; +import org.objectweb.asm.tree.MethodNode; + +/** + * Unit tests forĀ {@link LocalVariablesSorter}. + * + * @author Eric Bruneton + */ +class LocalVariablesSorterTest extends AsmTest { + + @Test + void testConstructor() { + MethodNode methodNode = new MethodNode(); + + assertDoesNotThrow(() -> new LocalVariablesSorter(Opcodes.ACC_PUBLIC, "()V", methodNode)); + assertThrows( + IllegalStateException.class, + () -> new LocalVariablesSorter(Opcodes.ACC_PUBLIC, "()V", methodNode) {}); + } + + @Test + void testVisitFrame_emptyFrame() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_PUBLIC, "()V", new MethodNode()); + + Executable visitFrame = () -> localVariablesSorter.visitFrame(Opcodes.F_NEW, 0, null, 0, null); + + assertDoesNotThrow(visitFrame); + } + + @Test + void testVisitFrame_invalidFrameType() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_PUBLIC, "()V", new MethodNode()); + + Executable visitFrame = () -> localVariablesSorter.visitFrame(Opcodes.F_FULL, 0, null, 0, null); + + Exception exception = assertThrows(IllegalArgumentException.class, visitFrame); + assertEquals( + "LocalVariablesSorter only accepts expanded frames (see ClassReader.EXPAND_FRAMES)", + exception.getMessage()); + } + + @Test + void testNewLocal_boolean() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_STATIC, "()V", new MethodNode()); + + localVariablesSorter.newLocal(Type.BOOLEAN_TYPE); + + assertEquals(1, localVariablesSorter.nextLocal); + } + + @Test + void testNewLocal_byte() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_STATIC, "()V", new MethodNode()); + + localVariablesSorter.newLocal(Type.BYTE_TYPE); + + assertEquals(1, localVariablesSorter.nextLocal); + } + + @Test + void testNewLocal_char() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_STATIC, "()V", new MethodNode()); + + localVariablesSorter.newLocal(Type.CHAR_TYPE); + + assertEquals(1, localVariablesSorter.nextLocal); + } + + @Test + void testNewLocal_short() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_STATIC, "()V", new MethodNode()); + + localVariablesSorter.newLocal(Type.SHORT_TYPE); + + assertEquals(1, localVariablesSorter.nextLocal); + } + + @Test + void testNewLocal_int() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_STATIC, "()V", new MethodNode()); + + localVariablesSorter.newLocal(Type.INT_TYPE); + + assertEquals(1, localVariablesSorter.nextLocal); + } + + @Test + void testNewLocal_float() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_STATIC, "()V", new MethodNode()); + + localVariablesSorter.newLocal(Type.FLOAT_TYPE); + + assertEquals(1, localVariablesSorter.nextLocal); + } + + @Test + void testNewLocal_long() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_STATIC, "()V", new MethodNode()); + + localVariablesSorter.newLocal(Type.LONG_TYPE); + assertEquals(2, localVariablesSorter.nextLocal); + } + + @Test + void testNewLocal_double() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_STATIC, "()V", new MethodNode()); + + localVariablesSorter.newLocal(Type.DOUBLE_TYPE); + + assertEquals(2, localVariablesSorter.nextLocal); + } + + @Test + void testNewLocal_object() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_STATIC, "()V", new MethodNode()); + + localVariablesSorter.newLocal(Type.getObjectType("pkg/Class")); + + assertEquals(1, localVariablesSorter.nextLocal); + } + + @Test + void testNewLocal_array() { + LocalVariablesSorter localVariablesSorter = + new LocalVariablesSorter(Opcodes.ACC_STATIC, "()V", new MethodNode()); + + localVariablesSorter.newLocal(Type.getType("[I")); + + assertEquals(1, localVariablesSorter.nextLocal); + } + + @ParameterizedTest + @MethodSource(ALL_CLASSES_AND_ALL_APIS) + void testAllMethods_precompiledClass( + final PrecompiledClass classParameter, final Api apiParameter) { + ClassReader classReader = new ClassReader(classParameter.getBytes()); + ClassWriter classWriter = new ClassWriter(0); + ClassVisitor localVariablesSorter = + new LocalVariablesSorterClassAdapter(apiParameter.value(), classWriter); + + Executable accept = () -> classReader.accept(localVariablesSorter, ClassReader.EXPAND_FRAMES); + + if (classParameter.isMoreRecentThan(apiParameter)) { + Exception exception = assertThrows(UnsupportedOperationException.class, accept); + assertTrue(exception.getMessage().matches(UNSUPPORTED_OPERATION_MESSAGE_PATTERN)); + } else { + assertDoesNotThrow(accept); + Executable newInstance = () -> new ClassFile(classWriter.toByteArray()).newInstance(); + if (classParameter.isNotCompatibleWithCurrentJdk()) { + assertThrows(UnsupportedClassVersionError.class, newInstance); + } else { + assertDoesNotThrow(newInstance); + } + } + } + + @Test + void testAllMethods_issue317586() throws FileNotFoundException, IOException { + ClassReader classReader = + new ClassReader(Files.newInputStream(Paths.get("src/test/resources/Issue317586.class"))); + ClassWriter classWriter = new ClassWriter(0); + ClassVisitor localVariablesSorter = + new LocalVariablesSorterClassAdapter(/* latest */ Opcodes.ASM10_EXPERIMENTAL, classWriter); + + classReader.accept(localVariablesSorter, ClassReader.EXPAND_FRAMES); + + assertDoesNotThrow(() -> new ClassFile(classWriter.toByteArray()).newInstance()); + } + + static class LocalVariablesSorterClassAdapter extends ClassVisitor { + + LocalVariablesSorterClassAdapter(final int api, final ClassVisitor classVisitor) { + super(api, classVisitor); + } + + @Override + public MethodVisitor visitMethod( + final int access, + final String name, + final String descriptor, + final String signature, + final String[] exceptions) { + MethodVisitor methodVisitor = + super.visitMethod(access, name, descriptor, signature, exceptions); + return new LocalVariablesSorter(api, access, descriptor, methodVisitor) {}; + } + } +} |