1 files changed, 120 insertions, 0 deletions
diff --git a/velocity-engine-core/src/test/java/org/apache/velocity/test/DefineTestCase.java b/velocity-engine-core/src/test/java/org/apache/velocity/test/DefineTestCase.java
new file mode 100755
index 00000000..1c66ced8
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+++ b/velocity-engine-core/src/test/java/org/apache/velocity/test/DefineTestCase.java
@@ -0,0 +1,120 @@
+package org.apache.velocity.test;
+
+/*
+ * 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.
+ */
+
+
+/**
+ * This class tests the #define directive
+ */
+public class DefineTestCase extends BaseTestCase
+{
+    public DefineTestCase(String name)
+    {
+       super(name);
+    }
+
+    protected String defAndEval(String block)
+    {
+        return defAndEval("def", block);
+    }
+
+    protected String defAndEval(String key, String block)
+    {
+        return evaluate("#define( $"+key+" )"+block+"#end$"+key);
+    }
+
+    public void testSimple()
+    {
+        assertEquals("abc", defAndEval("abc"));
+        assertEvalEquals("abc abc abc", "#define( $a )abc#end$a $a $a");
+    }
+
+    public void testNotSimple()
+    {
+        assertEquals("true", defAndEval("#if( $def )true#end"));
+        assertEquals("123", defAndEval("#foreach( $i in [1..3] )$i#end"));
+        assertEquals("hello world", defAndEval("#macro( test )hello world#end#test()"));
+    }
+
+    public void testOverridingDefinitionInternally()
+    {
+        assertEvalEquals("truefalse", "#define( $or )true#set( $or = false )#end$or$or");
+    }
+
+    public void testLateBinding()
+    {
+        context.put("baz", "foo");
+        assertEvalEquals("foobar", "#define( $lb )$baz#end${lb}#set( $baz = 'bar' )${lb}");
+    }
+
+    public void testRerendering()
+    {
+        context.put("inc", new Inc());
+        assertEvalEquals("1 2 3", "#define( $i )$inc#end$i $i $i");
+    }
+
+    public void testAssignation()
+    {
+        assertEvalEquals("[][hello]","#define( $orig )hello#end[#set( $assig = $orig )][$assig]");
+    }
+
+    public void testNonRenderingUsage()
+    {
+        String template = "#define($foo)\n" +
+                          " foo_contents\n" +
+                          "#end\n" +
+                          "#if ($foo)\n" +
+                          " found foo\n" +
+                          "#end";
+        assertEvalEquals(" found foo\n", template);
+    }
+
+    public void testRecursionLimit()
+    {
+        try
+        {
+            assertEvalEquals("$r", "#define( $r )$r#end$r");
+        }
+        catch (Exception t)
+        {
+            fail("Recursion should not have thrown an exception");
+        }
+        catch (Error e)
+        {
+            fail("Infinite recursion should not be possible.");
+        }
+    }
+
+    public void testThingsOfQuestionableMorality()
+    {
+        // redefining $foo within $foo
+        assertEquals("foobar", defAndEval("foo", "foo#define( $foo )bar#end$foo"));
+    }
+
+
+    public static class Inc
+    {
+        int foo = 1;
+        public String toString()
+        {
+            return String.valueOf(foo++);
+        }
+    }
+}