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The following commit(s) were added to refs/heads/master by this push:
new 5b43e639 Added signature test cases for class/method, and bad
signatures (#182)
5b43e639 is described below
commit 5b43e639b0ae24547dcb052b9afc60a1822fa567
Author: nbauma109 <[email protected]>
AuthorDate: Sat Apr 8 18:02:45 2023 +0200
Added signature test cases for class/method, and bad signatures (#182)
* added signature test cases for class/method, and bad signatures
* added tests for Type.getSignature
* Tests signatures, including primitives, generics, and bad signatures for
exceptions.
---------
Co-authored-by: nbauma109 <[email protected]>
Co-authored-by: Gary Gregory <[email protected]>
---
.../apache/bcel/classfile/SignatureTestCase.java | 83 ++++++++++++++++++++++
1 file changed, 83 insertions(+)
diff --git a/src/test/java/org/apache/bcel/classfile/SignatureTestCase.java
b/src/test/java/org/apache/bcel/classfile/SignatureTestCase.java
new file mode 100644
index 00000000..43c835ff
--- /dev/null
+++ b/src/test/java/org/apache/bcel/classfile/SignatureTestCase.java
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.bcel.classfile;
+
+import org.apache.bcel.AbstractTestCase;
+import org.apache.bcel.Repository;
+import org.apache.bcel.generic.Type;
+import org.junit.jupiter.api.Test;
+
+import java.io.DataInput;
+import java.util.Map;
+import java.util.Optional;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrowsExactly;
+
+/**
+ * Tests signatures, including primitives, generics, and bad signatures for
exceptions.
+ */
+public class SignatureTestCase extends AbstractTestCase {
+
+ void testMethod(final JavaClass jc, final String expected, final Class<?>
clazz, final String methodName, final Class<?>... paramTypes) throws Exception {
+ final Method method = jc.getMethod(clazz.getMethod(methodName,
paramTypes));
+ final String methodSignature =
Optional.ofNullable(method.getGenericSignature()).orElse(method.getSignature());
+ final String translatedMethodSignature =
Signature.translate(methodSignature);
+ assertEquals(expected, translatedMethodSignature);
+ }
+
+ @Test
+ public void testString() throws Exception {
+ final JavaClass jc = Repository.lookupClass(String.class);
+ final Signature classSignature = (Signature)
findAttribute("Signature", jc.getAttributes());
+ final String translatedSignature =
Signature.translate(classSignature.getSignature());
+ assertEquals("java.lang.Object", translatedSignature);
+ testMethod(jc, "()java.lang.String", String.class, "trim");
+
+ }
+
+ @Test
+ public void testMap() throws Exception {
+ final JavaClass jc = Repository.lookupClass(Map.class);
+ final Signature classSignature = (Signature)
findAttribute("Signature", jc.getAttributes());
+ final String translatedSignature =
Signature.translate(classSignature.getSignature());
+ assertEquals("<K, V>java.lang.Object", translatedSignature);
+ testMethod(jc, "(java.lang.Object)V", Map.class, "get", Object.class);
+ testMethod(jc, "(K, V)V", Map.class, "put", Object.class,
Object.class);
+ }
+
+ @Test
+ public void testBadSignatures() throws Exception {
+ assertThrowsExactly(IllegalArgumentException.class, () ->
Signature.translate("<"));
+ assertThrowsExactly(IllegalArgumentException.class, () ->
Signature.translate("<>"));
+ }
+
+ @Test
+ public void testType() throws Exception {
+ assertEquals("(I)I", Type.getSignature(Math.class.getMethod("abs",
int.class)));
+ assertEquals("(J)J", Type.getSignature(Math.class.getMethod("abs",
long.class)));
+ assertEquals("(D)D", Type.getSignature(Math.class.getMethod("abs",
double.class)));
+ assertEquals("(F)F", Type.getSignature(Math.class.getMethod("abs",
float.class)));
+ assertEquals("(Ljava/lang/String;)[Ljava/lang/String;",
Type.getSignature(String.class.getMethod("split", String.class)));
+ assertEquals("(I)C",
Type.getSignature(String.class.getMethod("charAt", int.class)));
+ assertEquals("()Ljava/lang/String;",
Type.getSignature(String.class.getMethod("trim")));
+ assertEquals("()V",
Type.getSignature(Object.class.getMethod("notify")));
+ assertEquals("(Ljava/lang/Object;)Z",
Type.getSignature(Object.class.getMethod("equals", Object.class)));
+ assertEquals("()B",
Type.getSignature(DataInput.class.getMethod("readByte")));
+ assertEquals("()S",
Type.getSignature(DataInput.class.getMethod("readShort")));
+ }
+}
