original

[gb-231r1-is01/GB_2.3_IS01.git] / cts / tools / dx-tests / src / dxc / junit / DxUtil.java

diff --git a/cts/tools/dx-tests/src/dxc/junit/DxUtil.java b/cts/tools/dx-tests/src/dxc/junit/DxUtil.java
new file mode 100644 (file)
index 0000000..f1c90b3
--- /dev/null
+++ b/cts/tools/dx-tests/src/dxc/junit/DxUtil.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed 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 dxc.junit;
+
+public class DxUtil {
+    private static boolean isDalvik = false;
+    
+    static {
+        /**
+         * whether in case of a failure, also ClassNotFoundException is accepted.
+         * this makes sense for invalid classes that got rejected by the dx tools
+         * and thus do not exist in .dex format, so that this class missing means a
+         * the expected verify error (though at the dx tool level)
+         */
+//        String acnfS = System.getProperty("acceptCNF");
+//        isDalvik = (acnfS != null && acnfS.equals("true"));
+        //System.out.println("@DX:DxUtil:isDalik="+isDalvik);
+    }
+    
+    public static void checkVerifyException(Throwable t) {
+        // the dalvik vm and other vm handle verify errors differently (see the dalvik verifier)
+        // the dalvik vm only throws a VerifyError, whereas other vm can throw all subclasses of
+        // LinkageError:
+        // - ClassCircularityError
+        // - ClassFormatError
+        // - ExceptionInInitializerError
+        // - IncompatibleClassChangeError
+        // - NoClassDefFoundError
+        // - UnsatisfiedLinkError
+        // - VerifyError
+
+        // in case we are testing the dalvik, we also accept a ClassNotFoundException, 
+        // since that may happen when a verify error was thrown by the dx tool and thus no
+        // classes.dex was written at all. 
+        //System.out.println("@dx:debug:isDalvik:"+isDalvik);
+        /*
+        if ((t instanceof VerifyError || 
+                (isDalvik && t instanceof ClassNotFoundException) || 
+                (!isDalvik && !(t instanceof NoClassDefFoundError) 
+                        && t instanceof LinkageError))) {
+                // ok, this is what we expected
+            System.out.println("@dx:debug:vfe-ok: vfe was:"+t.getClass().getName()+", msg:"+t.getMessage());
+            return;
+        } else {
+            throw new RuntimeException("test did not cause the expected verify error, but:"+t.getClass().getName()+", msg:"+t.getMessage());
+        }
+*/
+        if (t instanceof VerifyError || t instanceof ClassNotFoundException || t instanceof LinkageError) {
+                if (t instanceof VerifyError) {
+                    if (((VerifyError)t).getMessage().contains("Main_")) {
+                        System.out.print("verify failed on Main_");
+                    }
+                }
+                // ok, this is what we expected
+        } else {
+            throw new RuntimeException("Verify error expected", t);
+        }
+
+    }
+}