private static byte[] getVerifiedPatchedData(final AsmCodeGenerator codeGenerator) {
byte[] patchedData = codeGenerator.getPatchedData();
FormErrorInfo[] errors = codeGenerator.getErrors();
FormErrorInfo[] warnings = codeGenerator.getWarnings();
if (errors.length == 0 && warnings.length == 0) {
assertNotNull("Class patching failed but no errors or warnings were returned", patchedData);
} else if (errors.length > 0) {
assertTrue(errors[0].getErrorMessage(), false);
} else {
assertTrue(warnings[0].getErrorMessage(), false);
}
return patchedData;
}
private AsmCodeGenerator initCodeGenerator(
final String formFileName, final String className, final String testDataPath)
throws Exception {
String tmpPath = FileUtil.getTempDirectory();
String formPath = testDataPath + formFileName;
String javaPath = testDataPath + className + ".java";
final int rc = Main.compile(new String[] {"-d", tmpPath, javaPath});
assertEquals(0, rc);
final String classPath = tmpPath + "/" + className + ".class";
final File classFile = new File(classPath);
assertTrue(classFile.exists());
final LwRootContainer rootContainer = loadFormData(formPath);
final AsmCodeGenerator codeGenerator =
new AsmCodeGenerator(
rootContainer,
myClassFinder,
myNestedFormLoader,
false,
new ClassWriter(ClassWriter.COMPUTE_FRAMES));
final FileInputStream classStream = new FileInputStream(classFile);
try {
codeGenerator.patchClass(classStream);
} finally {
classStream.close();
FileUtil.delete(classFile);
final File[] inners =
new File(tmpPath)
.listFiles(
new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.startsWith(className + "$") && name.endsWith(".class");
}
});
if (inners != null) {
for (File file : inners) FileUtil.delete(file);
}
}
return codeGenerator;
}
public void testIncompatibleTypeField() throws Exception {
AsmCodeGenerator generator = initCodeGenerator("TestIncompatibleTypeField.form", "BindingTest");
assertEquals(
"Cannot bind: Incompatible types. Cannot assign javax.swing.JPanel to field BindingTest.myStringField",
generator.getErrors()[0].getErrorMessage());
}
public void testPrimitiveField() throws Exception {
AsmCodeGenerator generator = initCodeGenerator("TestPrimitiveField.form", "BindingTest");
assertEquals(
"Cannot bind: field is of primitive type: BindingTest.myIntField",
generator.getErrors()[0].getErrorMessage());
}
public void testFinalField() throws Exception {
AsmCodeGenerator generator = initCodeGenerator("TestFinalField.form", "BindingTest");
assertEquals(
"Cannot bind: field is final: BindingTest.myFinalField",
generator.getErrors()[0].getErrorMessage());
}
public void testNoSuchField() throws Exception {
AsmCodeGenerator generator = initCodeGenerator("TestNoSuchField.form", "BindingTest");
assertEquals(
"Cannot bind: field does not exist: BindingTest.myNoSuchField",
generator.getErrors()[0].getErrorMessage());
}