Bug 361056: fn:abs - typeError on sequence

https://bugs.eclipse.org/bugs/show_bug.cgi?id=361056

tests/org.eclipse.wst.xml.xpath2.processor.tests/src/org/eclipse/wst/xml/xpath2/processor/test/TestBugs.java

diff --git a/tests/org.eclipse.wst.xml.xpath2.processor.tests/src/org/eclipse/wst/xml/xpath2/processor/test/TestBugs.java b/tests/org.eclipse.wst.xml.xpath2.processor.tests/src/org/eclipse/wst/xml/xpath2/processor/test/TestBugs.java
index 251cc43..dbb03fd 100644
--- a/tests/org.eclipse.wst.xml.xpath2.processor.tests/src/org/eclipse/wst/xml/xpath2/processor/test/TestBugs.java
+++ b/tests/org.eclipse.wst.xml.xpath2.processor.tests/src/org/eclipse/wst/xml/xpath2/processor/test/TestBugs.java
@@ -1829,6 +1829,30 @@
 		assertEquals("true", actual);
 	}
 	
+	public void testFunctionAtomization() throws Exception {
+		// Bug 318313
+		URL fileURL = bundle.getEntry("/bugTestFiles/bug318313.xml");
+		URL schemaURL = bundle.getEntry("/bugTestFiles/bug318313.xsd");
+
+		loadDOMDocument(fileURL, schemaURL);
+
+		// Get XSModel object for the Schema
+		XSModel schema = getGrammar(schemaURL);
+
+		setupDynamicContext(schema);
+
+		String xpath = "abs(X)";
+          compileXPath(xpath);
+          ResultSequence rs = evaluate(domDoc);
+
+
+          XSInteger result = (XSInteger) rs.first();
+
+		String actual = result.getStringValue();
+
+		assertEquals("100", actual);
+	}
+	
 	public void testTypedValueEnhancement_Bug323900_1() throws Exception {
 		// Bug 323900
 		URL fileURL = bundle.getEntry("/bugTestFiles/bug323900_1.xml");