Examples with BinaryCompatibilityStatus org.apache.aries.versioning.utils.BinaryCompatibilityStatus used on opensource projects

Example 31 with BinaryCompatibilityStatus

use of org.apache.aries.versioning.utils.BinaryCompatibilityStatus in project aries by apache.

the class BinaryCompatibilityTest method test_jdk_chap13_4_15_1.

/**
     * Changing an instance method that is not final to be final is a binary compatibility change.
     */
@Test
public void test_jdk_chap13_4_15_1() {
    ClassWriter cw = new ClassWriter(0);
    cw.visit(V1_5, ACC_PUBLIC, "pkg/Test", null, "versioning/java/files/TestA", null);
    cw.visitMethod(ACC_PUBLIC, "getCooLen", "(Ljava/lang/String;)I", null, null).visitEnd();
    cw.visitEnd();
    byte[] oldBytes = cw.toByteArray();
    cw = new ClassWriter(0);
    cw.visit(V1_5, ACC_PUBLIC, "pkg/Test", null, "versioning/java/files/TestA", null);
    cw.visitField(ACC_PUBLIC + ACC_TRANSIENT, "aa", "Ljava/lang/String;", null, new String("newBar")).visitEnd();
    cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "getCooLen", "(Ljava/lang/String;)I", null, null).visitEnd();
    cw.visitEnd();
    byte[] newBytes = cw.toByteArray();
    SemanticVersioningClassVisitor oldCV = new SemanticVersioningClassVisitor(loader);
    SemanticVersioningClassVisitor newCV = new SemanticVersioningClassVisitor(loader);
    ClassReader newCR = new ClassReader(newBytes);
    ClassReader oldCR = new ClassReader(oldBytes);
    newCR.accept(newCV, 0);
    oldCR.accept(oldCV, 0);
    BinaryCompatibilityStatus bcs = newCV.getClassDeclaration().getBinaryCompatibleStatus((oldCV.getClassDeclaration()));
    assertEquals("The method int getCooLen(java.lang.String) was not final but has been changed to be final.", bcs.get(0));
    assertTrue("Changing an instance method from non-final to final will break binary compatibility.", bcs.size() == 1);
}

Example 32 with BinaryCompatibilityStatus

use of org.apache.aries.versioning.utils.BinaryCompatibilityStatus in project aries by apache.

the class BinaryCompatibilityTest method test_jdk_chap13_4_2_2.

/**
     * Test a binary compatibility where a class was final is changed to not final.
     */
@Test
public void test_jdk_chap13_4_2_2() {
    // construct original class
    ClassWriter cw = new ClassWriter(0);
    cw.visit(V1_5, ACC_PUBLIC + ACC_FINAL, "pkg/Test", null, "java/lang/Object", null);
    cw.visitEnd();
    byte[] oldBytes = cw.toByteArray();
    cw = new ClassWriter(0);
    cw.visit(V1_5, ACC_PUBLIC, "pkg/Test", null, "java/lang/Object", null);
    cw.visitEnd();
    byte[] newBytes = cw.toByteArray();
    SemanticVersioningClassVisitor oldCV = new SemanticVersioningClassVisitor(loader);
    SemanticVersioningClassVisitor newCV = new SemanticVersioningClassVisitor(loader);
    ClassReader newCR = new ClassReader(newBytes);
    ClassReader oldCR = new ClassReader(oldBytes);
    newCR.accept(newCV, 0);
    oldCR.accept(oldCV, 0);
    BinaryCompatibilityStatus bcs = newCV.getClassDeclaration().getBinaryCompatibleStatus((oldCV.getClassDeclaration()));
    assertTrue("When a class is changed from final to not final, this should not break binary compatibility.", bcs.isCompatible());
}

Example 33 with BinaryCompatibilityStatus

use of org.apache.aries.versioning.utils.BinaryCompatibilityStatus in project aries by apache.

the class BinaryCompatibilityTest method test_jdk_chap13_5_5_1.

/**
     * Changing a method return type in an interface should  break compatibility.
     */
@Test
public void test_jdk_chap13_5_5_1() {
    ClassWriter cw = new ClassWriter(0);
    cw.visit(V1_5, ACC_PUBLIC + ACC_ABSTRACT + ACC_INTERFACE, "pkg/Test", null, "java/lang/Object", new String[] { "versioning/java/files/TestB" });
    cw.visitMethod(ACC_PUBLIC, "getFoo", "()I", null, null).visitEnd();
    cw.visitEnd();
    byte[] oldBytes = cw.toByteArray();
    cw = new ClassWriter(0);
    cw.visit(V1_5, ACC_PUBLIC + ACC_ABSTRACT + ACC_INTERFACE, "pkg/Test", null, "java/lang/Object", new String[] { "versioning/java/files/TestB" });
    cw.visitMethod(ACC_PUBLIC, "getFoo", "(I)I", null, null).visitEnd();
    cw.visitMethod(ACC_PUBLIC, "getMoo", "()I", null, null).visitEnd();
    cw.visitEnd();
    byte[] newBytes = cw.toByteArray();
    SemanticVersioningClassVisitor oldCV = new SemanticVersioningClassVisitor(loader);
    SemanticVersioningClassVisitor newCV = new SemanticVersioningClassVisitor(loader);
    ClassReader newCR = new ClassReader(newBytes);
    ClassReader oldCR = new ClassReader(oldBytes);
    newCR.accept(newCV, 0);
    oldCR.accept(oldCV, 0);
    BinaryCompatibilityStatus bcs = newCV.getClassDeclaration().getBinaryCompatibleStatus((oldCV.getClassDeclaration()));
    assertEquals("The method int getFoo() has been deleted or its return type or parameter list has changed.", bcs.get(0));
    assertTrue("Changing a method return type in an interface should  break compatibility.", bcs.size() == 1);
}