[2/5] groovy git commit: findbugs: impossible cast

[jw...@apache.org]

findbugs: impossible cast

removed cast that would always fail and added some basic tests.


Project: http://git-wip-us.apache.org/repos/asf/groovy/repo
Commit: http://git-wip-us.apache.org/repos/asf/groovy/commit/4f328a19
Tree: http://git-wip-us.apache.org/repos/asf/groovy/tree/4f328a19
Diff: http://git-wip-us.apache.org/repos/asf/groovy/diff/4f328a19

Branch: refs/heads/master
Commit: 4f328a19ae8e827cbe3f11a0b97911ba6875716a
Parents: bf398af
Author: John Wagenleitner <jw...@apache.org>
Authored: Sun Aug 21 15:25:41 2016 -0700
Committer: John Wagenleitner <jw...@apache.org>
Committed: Mon Aug 22 19:11:09 2016 -0700

----------------------------------------------------------------------
 .../runtime/typehandling/ShortTypeHandling.java |  1 -
 .../typehandling/ShortTypeHandlingTest.groovy   | 64 ++++++++++++++++++++
 2 files changed, 64 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/groovy/blob/4f328a19/src/main/org/codehaus/groovy/runtime/typehandling/ShortTypeHandling.java
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diff --git a/src/main/org/codehaus/groovy/runtime/typehandling/ShortTypeHandling.java b/src/main/org/codehaus/groovy/runtime/typehandling/ShortTypeHandling.java
index 44c0276..f45ca0c 100644
--- a/src/main/org/codehaus/groovy/runtime/typehandling/ShortTypeHandling.java
+++ b/src/main/org/codehaus/groovy/runtime/typehandling/ShortTypeHandling.java
@@ -41,7 +41,6 @@ public class ShortTypeHandling {
 
     public static String castToString(Object object) {
         if (object==null) return null;
-        if (object instanceof Class) return (String) object;
         return object.toString();
     }
 

http://git-wip-us.apache.org/repos/asf/groovy/blob/4f328a19/src/test/org/codehaus/groovy/runtime/typehandling/ShortTypeHandlingTest.groovy
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diff --git a/src/test/org/codehaus/groovy/runtime/typehandling/ShortTypeHandlingTest.groovy b/src/test/org/codehaus/groovy/runtime/typehandling/ShortTypeHandlingTest.groovy
new file mode 100644
index 0000000..6eba4fa
--- /dev/null
+++ b/src/test/org/codehaus/groovy/runtime/typehandling/ShortTypeHandlingTest.groovy
@@ -0,0 +1,64 @@
+/*
+ *  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.codehaus.groovy.runtime.typehandling
+
+import static org.codehaus.groovy.runtime.typehandling.ShortTypeHandling.castToClass
+import static org.codehaus.groovy.runtime.typehandling.ShortTypeHandling.castToString
+import static org.codehaus.groovy.runtime.typehandling.ShortTypeHandling.castToChar
+import static org.codehaus.groovy.runtime.typehandling.ShortTypeHandling.castToEnum
+
+class ShortTypeHandlingTest extends GroovyTestCase {
+
+    void testCastToClass() {
+        assert castToClass(null) == null
+        assert castToClass(Integer.class) == Integer.class
+        assert castToClass('java.lang.String') == String.class
+        shouldFail(GroovyCastException) {
+            castToClass(Collections.emptyList())
+        }
+    }
+
+    void testCastToString() {
+        assert castToString(null) == null
+        assert castToString(String.class) == 'class java.lang.String'
+        assert castToString(List.class) == 'interface java.util.List'
+    }
+
+    void testCastToCharacter() {
+        assert castToChar(null) == null
+        char c = (char)'c'
+        assert castToChar((Object)c) == c
+        assert castToChar(Integer.valueOf(99)) == c
+        assert castToChar("${c}") == c
+        assert castToChar('c') == c
+        shouldFail(GroovyCastException) {
+            castToChar(new Date())
+        }
+    }
+
+    void testCastToEnum() {
+        assert castToEnum(null, TestStages) == null
+        assert castToEnum((Object)TestStages.AFTER_CLASS, TestStages) == TestStages.AFTER_CLASS
+        assert castToEnum("BEFORE_TEST", TestStages) == TestStages.BEFORE_TEST
+    }
+
+    enum TestStages {
+        BEFORE_CLASS, BEFORE_TEST, TEST, AFTER_TEST, AFTER_CLASS
+    }
+}