Unit test

test/org/jetbrains/java/decompiler/SingleClassesTest.java

@@ -15,6 +15,9 @@
  */
 package org.jetbrains.java.decompiler;
 
+import java.util.HashMap;
+
+import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences;
 import org.junit.Test;
 
 public class SingleClassesTest extends SingleClassesTestBase {
@@ -36,4 +39,10 @@ public class SingleClassesTest extends SingleClassesTestBase {
   @Test public void testInvalidMethodSignature() { doTest("InvalidMethodSignature"); }
   @Test public void testInnerClassConstructor() { doTest("pkg/TestInnerClassConstructor"); }
   @Test public void testInnerClassConstructor11() { doTest("v11/TestInnerClassConstructor"); }
+  @Test
+  public void testSimpleBytecodeMapping() {
+    doTest("pkg/TestClassSimpleBytecodeMapping", new HashMap<String, Object>(){{
+                                                 put(IFernflowerPreferences.BYTECODE_SOURCE_MAPPING, "1");}});
+  }
+
 }

test/org/jetbrains/java/decompiler/SingleClassesTestBase.java

@@ -15,21 +15,24 @@
  */
 package org.jetbrains.java.decompiler;
 
-import org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler;
-import org.jetbrains.java.decompiler.util.InterpreterUtil;
-import org.junit.After;
-import org.junit.Before;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 import java.io.File;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import org.jetbrains.java.decompiler.main.DecompilerContext;
+import org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler;
+import org.jetbrains.java.decompiler.util.InterpreterUtil;
+import org.junit.After;
+import org.junit.Before;
 
 public abstract class SingleClassesTestBase {
   private DecompilerTestFixture fixture;
@@ -51,12 +54,24 @@ public abstract class SingleClassesTestBase {
   }
 
   protected void doTest(String testFile) {
+    doTest(testFile, null);
+  }
+
+  protected void doTest(String testFile, Map<String, Object> options) {
+
     try {
       File classFile = new File(fixture.getTestDataDir(), "/classes/" + testFile + ".class");
       assertTrue(classFile.isFile());
       String testName = classFile.getName().substring(0, classFile.getName().length() - 6);
 
       ConsoleDecompiler decompiler = fixture.getDecompiler();
+      if(options != null) {
+        for(Entry<String, Object> option : options.entrySet()) {
+          // overwrite with user-supplied value
+          DecompilerContext.setProperty(option.getKey(), option.getValue());
+        }
+      }
+
       for (File file : collectClasses(classFile)) decompiler.addSpace(file, true);
       decompiler.decompileContext();
 

testData/results/TestClassSimpleBytecodeMapping.dec

@@ -13,7 +13,7 @@ public class TestClassSimpleBytecodeMapping {
    }
 }
 
-class test/TestClassSimpleBytecodeMapping{
+class pkg/TestClassSimpleBytecodeMapping{
    method test ()I{
       0      4
       3      4