#422 Add tests for StringViewer

test/ca/mcgill/cs/jetuml/views/TestStringViewer.java

@@ -0,0 +1,53 @@
+package ca.mcgill.cs.jetuml.views;
+
+import static ca.mcgill.cs.jetuml.testutils.GeometryUtils.osDependent;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotSame;
+import static org.junit.jupiter.api.Assertions.assertSame;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import ca.mcgill.cs.jetuml.geom.Dimension;
+import ca.mcgill.cs.jetuml.views.StringViewer.Alignment;
+import ca.mcgill.cs.jetuml.views.StringViewer.TextDecoration;
+
+public class TestStringViewer {
+
+	private StringViewer topCenter;
+	private StringViewer topCenterPadded;
+	private StringViewer topCenterBold;
+	private StringViewer bottomCenterPadded;
+
+	@BeforeEach
+	public void setup()
+	{
+		topCenter = StringViewer.get(Alignment.TOP_CENTER);
+		topCenterPadded = StringViewer.get(Alignment.TOP_CENTER, TextDecoration.PADDED);
+		topCenterBold = StringViewer.get(Alignment.TOP_CENTER, TextDecoration.BOLD);
+		bottomCenterPadded = StringViewer.get(Alignment.BOTTOM_CENTER, TextDecoration.PADDED);
+	}
+
+
+	@Test
+	public void testFlyweightProperty()
+	{
+		StringViewer stringViewer = StringViewer.get(Alignment.TOP_CENTER);
+
+		assertNotSame(topCenterPadded, stringViewer);
+		assertNotSame(bottomCenterPadded, stringViewer);
+		assertSame(topCenter, stringViewer);
+	}
+
+	@Test
+	public void testDimensionEmptyPaddedNoPaddedBold()
+	{
+		assertEquals(topCenter.getDimension(""), new Dimension(0, 0));
+		assertEquals(topCenterPadded.getDimension(""), new Dimension(0, 0));
+		assertEquals(topCenter.getDimension("Display String"), new Dimension(osDependent(69, 69, 69), osDependent(12, 12, 12)));
+		assertEquals(topCenterBold.getDimension("Display String"), new Dimension(osDependent(69, 69, 69), osDependent(12, 12, 12)));
+		assertEquals(topCenterPadded.getDimension("Display String"), new Dimension(osDependent(83, 83, 83), osDependent(26, 26, 26)));
+	}
+
+
+}