Quality: add unit tests for method calls with "var args"

abego · abego · commit 758449dc6bc5 · 2017-07-13T20:41:31.000+02:00
diff --git a/tests/net.sf.j2s.test.junit/src/net/sf/j2s/test/junit/basic/VarArgsTest.java b/tests/net.sf.j2s.test.junit/src/net/sf/j2s/test/junit/basic/VarArgsTest.java
@@ -0,0 +1,89 @@
+/*******************************************************************************
+ * Copyright (c) 2017 java2script.org and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Udo Borkowski - initial implementation
+ *******************************************************************************/
+
+package net.sf.j2s.test.junit.basic;
+
+import junit.framework.TestCase;
+import net.sf.j2s.test.junit.sample.C;
+import net.sf.j2s.test.junit.sample.C2;
+import net.sf.j2s.test.junit.sample.CF;
+import net.sf.j2s.test.junit.sample.CF1;
+import net.sf.j2s.test.junit.sample.CVarArgs;
+import net.sf.j2s.test.junit.util.Output;
+
+public class VarArgsTest extends TestCase {
+
+	/**
+	 * Call a varArgs method with not arguments.
+	 */
+	public void testVarArgsEmpty() {
+		String s = new CVarArgs().fVarArgsInt();
+		assertEquals("ints: ", s);
+	}
+
+	/**
+	 * Call a varArgs method with some arguments.
+	 */
+	public void testVarArgsNotEmpty() {
+		String s = new CVarArgs().fVarArgsInt(4,7,9);
+		assertEquals("ints: 4 7 9 ", s);
+	}
+	
+	/**
+	 * Call a varArgs method with some arguments (via array).
+	 */
+	public void testVarArgsNotEmptyViaArray() {
+		int[] args = new int[]{4,7,9};
+		String s = new CVarArgs().fVarArgsInt(args);
+		assertEquals("ints: 4 7 9 ", s);
+	}
+	
+	/**
+	 * Call a varArgs method with a mandatory arguments and no optional arguments.
+	 */
+	public void testStringPlusVarArgsEmpty() {
+		String s = new CVarArgs().fStringVarArgsInt("demo ");
+		assertEquals("demo ", s);
+	}
+
+	/**
+	 * Call a varArgs method with a mandatory arguments and no optional arguments.
+	 */
+	public void testStringPlusVarArgsNotEmpty() {
+		String s = new CVarArgs().fStringVarArgsInt("demo ", 4, 7);
+		assertEquals("demo 4 7 ", s);
+	}
+	
+	/**
+	 * Call a varArgs method of array type (here int[]) with not arguments.
+	 */
+	public void testIntArrVarArgsEmpty() {
+		String s = new CVarArgs().fIntArr();
+		assertEquals("intss ", s);
+	}
+
+	/**
+	 * Call a varArgs method of array type (here int[]) with some arguments.
+	 */
+	public void testIntArrVarArgsNotEmpty() {
+		String s = new CVarArgs().fIntArr(new int[]{3,5,7}, new int[]{2,4});
+		assertEquals("intss [3 5 7 ] [2 4 ] ", s);
+	}
+
+	/**
+	 * Call a varArgs method of array type (here int[]) with some arguments  (via array).
+	 */
+	public void testIntArrVarArgsNotEmptyViaArray() {
+		int[][] args = new int[][]{new int[]{3,5,7}, new int[]{2,4}};
+		String s = new CVarArgs().fIntArr(args );
+		assertEquals("intss [3 5 7 ] [2 4 ] ", s);
+	}
+}
diff --git a/tests/net.sf.j2s.test.junit/src/net/sf/j2s/test/junit/sample/CVarArgs.java b/tests/net.sf.j2s.test.junit/src/net/sf/j2s/test/junit/sample/CVarArgs.java
@@ -0,0 +1,32 @@
+package net.sf.j2s.test.junit.sample;
+
+public class CVarArgs {
+	public String fVarArgsInt(int... ns) {
+		String result = "ints: ";
+		for (int i = 0; i < ns.length; i++) {
+			result += ns[i] + " ";
+		}
+		return result;
+	}
+	
+	public String fStringVarArgsInt(String s, int... ns) {
+		String result = s;
+		for (int i = 0; i < ns.length; i++) {
+			result += ns[i] + " ";
+		}
+		return result;
+	}
+	
+	public String fIntArr(int[]... nss) {
+		String result = "intss ";
+		for (int j = 0; j < nss.length; j++) {
+			int[] ns = nss[j];
+			result += "[";
+			for (int i = 0; i < ns.length; i++) {
+				result += ns[i] + " ";
+			}
+			result += "] ";
+		}
+		return result;
+	}
+}
