Merge pull request #138 from epics-base/unit_test_ivtable

Unit test for IVTable

Author: shroffk

epics-vtype/vtype/src/test/java/org/epics/vtype/VTableTest.java

@@ -0,0 +1,44 @@
+package org.epics.vtype;
+
+import org.epics.util.array.ArrayDouble;
+import org.epics.util.array.ArrayFloat;
+import org.epics.util.array.ArrayInteger;
+import org.junit.Test;
+
+import java.util.Arrays;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+public class VTableTest {
+
+	/**
+	 * ignore the types and labels when determining the column count
+	 */
+    @Test
+    public void testIVTableColumnCount() {
+        VTable vTable = new IVTable(Arrays.asList(VInt.class, VDouble.class),
+                Arrays.asList("int"),
+                Arrays.asList(ArrayInteger.of(1, 2, 3), ArrayDouble.of(1.0, 2.0, 3.0), ArrayFloat.of(1.0f, 2.0f, 3.0f)));
+
+        // Assert that column count is based on values data.
+        assertEquals(3, vTable.getColumnCount());
+
+        assertEquals(3, vTable.getRowCount());
+        assertTrue(vTable.getColumnType(0).isAssignableFrom(VInt.class));
+        assertTrue(vTable.getColumnType(1).isAssignableFrom(VDouble.class));
+        assertEquals("int", vTable.getColumnName(0));
+    }
+    
+    /**
+     * NTTables support columns with different row counts, the table should return the max number of rows
+     */
+    @Test
+    public void testIVTableRowCount() {
+        VTable vTable = new IVTable(Arrays.asList(),
+                Arrays.asList("int"),
+                Arrays.asList(ArrayInteger.of(1, 2, 3), ArrayDouble.of(1.0, 2.0), ArrayFloat.of(1.0f)));
+
+        assertEquals(3, vTable.getRowCount());
+    }
+}