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The following commit(s) were added to refs/heads/master by this push:
new af73a2ff Tests and coverage for Utility class (#16) (#175)
af73a2ff is described below
commit af73a2ff8fdc0a9b98ccc5adf349a3802d09f20c
Author: nbauma109 <[email protected]>
AuthorDate: Sat Nov 26 22:06:48 2022 +0100
Tests and coverage for Utility class (#16) (#175)
* UtilityTestCase - testCodeToString - use verbose = false
* Utility - removed unused equals
* PLSETestCase - encode/decode with compress true/false
---
.../java/org/apache/bcel/classfile/Utility.java | 13 -------
src/test/java/org/apache/bcel/PLSETestCase.java | 16 +++++---
.../org/apache/bcel/classfile/UtilityTestCase.java | 43 ++++++++++++++++++++++
3 files changed, 54 insertions(+), 18 deletions(-)
diff --git a/src/main/java/org/apache/bcel/classfile/Utility.java
b/src/main/java/org/apache/bcel/classfile/Utility.java
index 4d2bc084..4dcf0690 100644
--- a/src/main/java/org/apache/bcel/classfile/Utility.java
+++ b/src/main/java/org/apache/bcel/classfile/Utility.java
@@ -702,19 +702,6 @@ public abstract class Utility {
return caw.toString();
}
- static boolean equals(final byte[] a, final byte[] b) {
- int size;
- if ((size = a.length) != b.length) {
- return false;
- }
- for (int i = 0; i < size; i++) {
- if (a[i] != b[i]) {
- return false;
- }
- }
- return true;
- }
-
/**
* Fillup char with up to length characters with char 'fill' and justify
it left or right.
*
diff --git a/src/test/java/org/apache/bcel/PLSETestCase.java
b/src/test/java/org/apache/bcel/PLSETestCase.java
index 9e5fe484..edb2b0e3 100644
--- a/src/test/java/org/apache/bcel/PLSETestCase.java
+++ b/src/test/java/org/apache/bcel/PLSETestCase.java
@@ -19,6 +19,7 @@ package org.apache.bcel;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
import java.util.stream.Stream;
@@ -38,6 +39,8 @@ import org.apache.bcel.generic.InvokeInstruction;
import org.apache.bcel.generic.MethodGen;
import org.apache.bcel.generic.Type;
import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
public class PLSETestCase extends AbstractTestCase {
/**
@@ -137,8 +140,9 @@ public class PLSETestCase extends AbstractTestCase {
/**
* Test to improve BCEL tests code coverage for classfile/Utility.java.
*/
- @Test
- public void testCoverage() throws ClassNotFoundException,
java.io.IOException {
+ @ParameterizedTest
+ @ValueSource(booleans = { true, false })
+ public void testCoverage(final boolean compress) throws
ClassNotFoundException, java.io.IOException {
// load a class with a wide variety of byte codes - including
tableswitch and lookupswitch
final JavaClass clazz = getTestJavaClass(PACKAGE_BASE_NAME +
".data.ConstantPoolX");
for (final Method m : clazz.getMethods()) {
@@ -146,10 +150,12 @@ public class PLSETestCase extends AbstractTestCase {
Utility.methodTypeToSignature(Utility.methodSignatureReturnType(signature),
Utility.methodSignatureArgumentTypes(signature)); // discard result
final Code code = m.getCode();
if (code != null) {
- final String encoded = Utility.encode(code.getCode(), true);
+ // TODO: need for real assertions here
+ final String encoded = Utility.encode(code.getCode(),
compress);
+ assertNotNull(encoded);
// following statement will throw exeception without
classfile/Utility.encode fix
- Utility.decode(encoded, true); // discard result
- code.toString(); // discard result
+ assertNotNull(Utility.decode(encoded, compress));
+ assertNotNull(code.toString());
}
}
}
diff --git a/src/test/java/org/apache/bcel/classfile/UtilityTestCase.java
b/src/test/java/org/apache/bcel/classfile/UtilityTestCase.java
index ec635256..0829e749 100644
--- a/src/test/java/org/apache/bcel/classfile/UtilityTestCase.java
+++ b/src/test/java/org/apache/bcel/classfile/UtilityTestCase.java
@@ -19,10 +19,13 @@ package org.apache.bcel.classfile;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.apache.bcel.Const;
+import org.apache.bcel.Repository;
import org.junit.jupiter.api.Test;
+import java.util.Arrays;
public class UtilityTestCase {
@@ -128,4 +131,44 @@ public class UtilityTestCase {
assertEquals("<K extends Object, V extends Object> extends Object",
Utility.signatureToString("<K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;"),
"class signature");
}
+
+ @Test
+ public void testCodeToString() throws Exception {
+ class CodeToString {
+ int[][] a = new int[0][0];
+
+ CodeToString() {
+ if (a instanceof int[][]) {
+ System.out.print(Arrays.asList(a).size());
+ }
+ }
+ }
+ final JavaClass javaClass = Repository.lookupClass(CodeToString.class);
+ assertNotNull(javaClass);
+ for (final Method method : javaClass.getMethods()) {
+ assertEquals("<init>", method.getName());
+ final String code = method.getCode().toString(false);
+ assertTrue(code.contains("0: aload_0"), code);
+ assertTrue(code.contains("1: aload_1"), code);
+ assertTrue(code.contains("2:
putfield\t\torg.apache.bcel.classfile.UtilityTestCase$1CodeToString.this$0
Lorg/apache/bcel/classfile/UtilityTestCase;"), code);
+ assertTrue(code.contains("5: aload_0"), code);
+ assertTrue(code.contains("6:
invokespecial\tjava.lang.Object.<init> ()V"), code);
+ assertTrue(code.contains("9: aload_0"), code);
+ assertTrue(code.contains("10: iconst_0"), code);
+ assertTrue(code.contains("11: iconst_0"), code);
+ assertTrue(code.contains("12: multianewarray\t<[[I>\t2"), code);
+ assertTrue(code.contains("16:
putfield\t\torg.apache.bcel.classfile.UtilityTestCase$1CodeToString.a [[I"),
code);
+ assertTrue(code.contains("19: aload_0"), code);
+ assertTrue(code.contains("20:
getfield\t\torg.apache.bcel.classfile.UtilityTestCase$1CodeToString.a [[I"),
code);
+ assertTrue(code.contains("23: instanceof\t<[[I>"), code);
+ assertTrue(code.contains("26: ifeq\t\t#47"), code);
+ assertTrue(code.contains("29: getstatic\t\tjava.lang.System.out
Ljava/io/PrintStream;"), code);
+ assertTrue(code.contains("32: aload_0"), code);
+ assertTrue(code.contains("33:
getfield\t\torg.apache.bcel.classfile.UtilityTestCase$1CodeToString.a [[I"),
code);
+ assertTrue(code.contains("36:
invokestatic\tjava.util.Arrays.asList ([Ljava/lang/Object;)Ljava/util/List;"),
code);
+ assertTrue(code.contains("39:
invokeinterface\tjava.util.List.size ()I1\t0"), code);
+ assertTrue(code.contains("44:
invokevirtual\tjava.io.PrintStream.print (I)V"), code);
+ assertTrue(code.contains("47: return"), code);
+ }
+ }
}
