Added testcase for MRESOURCES-18. This should really go into

the resources-plugin itself using the new framework, but 
committing anyway for future reference and regression testing.


git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@398452 13f79535-47bb-0310-9956-ffa450edef68

maven-core-it/it0105/cli-options.txt

@@ -0,0 +1 @@
+-Dparam=PARAM

maven-core-it/it0105/expected-results.txt

@@ -0,0 +1 @@
+target/classes/test.properties

maven-core-it/it0105/goals.txt

@@ -0,0 +1 @@
+test

maven-core-it/it0105/pom.xml

@@ -0,0 +1,34 @@
+<project xmlns="http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>testing</groupId>
+  <artifactId>maven-core-it-it0105</artifactId>
+  <version>1.0</version>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.1</version>
+      <type>jar</type>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  
+  <build>
+		<!-- Enabling this will fix the problem for
+			maven-resources-plugin 2.2-20060403.015736-1 and earlier.
+		<filters>
+			<filter>filter.properties</filter>
+		</filters>
+		-->
+		<resources>
+		<resource>
+			<directory>src/main/resources</directory>
+			<filtering>true</filtering>
+		</resource>
+		</resources>
+  </build>
+ 
+	<properties>
+  	<my.property>foo</my.property>
+	</properties>
+</project>

maven-core-it/it0105/src/main/resources/test.properties

@@ -0,0 +1,3 @@
+systemProperty=${user.home}
+param=${param}
+pom.property=${my.property}

maven-core-it/it0105/src/test/java/org/apache/maven/it0105/FilterTest.java

@@ -0,0 +1,49 @@
+package org.apache.maven.it0105;
+
+import junit.framework.TestCase;
+
+import java.util.Properties;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+public class FilterTest
+    extends TestCase
+{
+    private String basedir;
+
+    private Properties properties;
+
+    protected void setUp()
+        throws Exception
+    {
+        basedir = System.getProperty( "basedir" );
+
+        properties = new Properties();
+
+        File testPropertiesFile = new File( basedir, "target/classes/test.properties" );
+
+        assertTrue( testPropertiesFile.exists() );
+
+        properties.load( new FileInputStream( testPropertiesFile ) );
+    }
+    
+    public void testSystemPropertyInterpolation()
+        throws IOException
+    {
+        assertEquals( "System property", System.getProperty( "user.home" ), properties.getProperty( "systemProperty" ) );
+    }    
+
+    public void testParameterInterpolation()
+        throws IOException
+    {
+        assertEquals( "Parameter", System.getProperty( "parameter" ), properties.getProperty( "parameter" ) );
+    }    
+
+    public void testPomPropertyInterpolation()
+        throws IOException
+    {
+        assertEquals( "Pom Property", "foo", properties.getProperty( "pom.property" ) );
+    }    
+
+}