Cover AreaBreakRenderer with unit tests

DEVSIX-3865

Author: BlackEgoist

layout/src/test/java/com/itextpdf/layout/renderer/AreaBreakRendererUnitTest.java

@@ -0,0 +1,169 @@
+package com.itextpdf.layout.renderer;
+
+import com.itextpdf.io.source.ByteArrayOutputStream;
+import com.itextpdf.kernel.PdfException;
+import com.itextpdf.kernel.pdf.PdfDocument;
+import com.itextpdf.kernel.pdf.PdfWriter;
+import com.itextpdf.layout.element.AreaBreak;
+import com.itextpdf.layout.element.Text;
+import com.itextpdf.layout.layout.LayoutContext;
+import com.itextpdf.layout.layout.LayoutResult;
+import com.itextpdf.layout.property.Property;
+import com.itextpdf.test.ExtendedITextTest;
+import com.itextpdf.test.annotations.type.UnitTest;
+import org.junit.Assert;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.rules.ExpectedException;
+
+@Category(UnitTest.class)
+public class AreaBreakRendererUnitTest extends ExtendedITextTest {
+
+    @Rule
+    public ExpectedException junitExpectedException = ExpectedException.none();
+
+    @Test
+    public void addChildTestUnsupported() {
+        junitExpectedException.expect(RuntimeException.class);
+
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertNull(areaBreakRenderer.getChildRenderers());
+
+        areaBreakRenderer.addChild(new TextRenderer(new Text("Test")));
+    }
+
+    @Test
+    public void drawTestUnsupported() {
+        junitExpectedException.expect(UnsupportedOperationException.class);
+
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        areaBreakRenderer.draw(new DrawContext(new PdfDocument(new PdfWriter(new ByteArrayOutputStream())), null));
+    }
+
+    @Test
+    public void getOccupiedAreaTestUnsupported() {
+        junitExpectedException.expect(UnsupportedOperationException.class);
+
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        areaBreakRenderer.getOccupiedArea();
+    }
+
+    @Test
+    //Properties are not supported for AbstractRenderer, and it's expected that the result is false for all the properties.
+    //The BORDER property is chosen without any specific intention. It could be replaced with any other property.
+    public void hasPropertyTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertFalse(areaBreakRenderer.hasProperty(Property.BORDER));
+    }
+
+    @Test
+    //Properties are not supported for AbstractRenderer, and it's expected that the result is false for all the properties.
+    //The BORDER property is chosen without any specific intention. It could be replaced with any other property.
+    public void hasOwnPropertyTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertFalse(areaBreakRenderer.hasProperty(Property.BORDER));
+    }
+
+    @Test
+    //Properties are not supported for AbstractRenderer, and it's expected that the result is null for all the properties.
+    //The BORDER property is chosen without any specific intention. It could be replaced with any other property.
+    public void getPropertyTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertNull(areaBreakRenderer.<Property>getProperty(Property.BORDER));
+    }
+
+    @Test
+    //Properties are not supported for AbstractRenderer, and it's expected that the result is null for all the properties.
+    //The BORDER property is chosen without any specific intention. It could be replaced with any other property.
+    public void getOwnPropertyTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertNull(areaBreakRenderer.<Property>getOwnProperty(Property.BORDER));
+    }
+
+    @Test
+    //Properties are not supported for AbstractRenderer, and it's expected that the result is null for all the properties.
+    //The BORDER property is chosen without any specific intention. It could be replaced with any other property.
+    public void getDefaultPropertyTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertNull(areaBreakRenderer.<Property>getDefaultProperty(Property.BORDER));
+    }
+
+    @Test
+    //The BORDER_RADIUS property is chosen without any specific intention. It could be replaced with any other property.
+    public void getPropertyWithDefaultValueTestUnsupported() {
+        junitExpectedException.expect(UnsupportedOperationException.class);
+
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        areaBreakRenderer.getProperty(Property.BORDER_RADIUS, 3);
+    }
+
+    @Test
+    //The BORDER_RADIUS property is chosen without any specific intention. It could be replaced with any other property.
+    public void setPropertyTestUnsupported() {
+        junitExpectedException.expect(UnsupportedOperationException.class);
+
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        areaBreakRenderer.setProperty(Property.BORDER_RADIUS, 5);
+    }
+
+    @Test
+    //The BORDER property is chosen without any specific intention. It could be replaced with any other property.
+    //Here we just check that no exception has been thrown.
+    public void deleteOwnProperty() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        areaBreakRenderer.deleteOwnProperty(Property.BORDER);
+        Assert.assertTrue(true);
+    }
+
+    @Test
+    public void getModelElementTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertNull(areaBreakRenderer.getModelElement());
+    }
+
+    @Test
+    public void getParentTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertNull(areaBreakRenderer.getParent());
+    }
+
+    @Test
+    public void setParentTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertEquals(areaBreakRenderer, areaBreakRenderer.setParent(new AreaBreakRenderer(new AreaBreak())));
+    }
+
+    @Test
+    public void isFlushedTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertFalse(areaBreakRenderer.isFlushed());
+    }
+
+    @Test
+    public void moveTestUnsupported() {
+        junitExpectedException.expect(UnsupportedOperationException.class);
+
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        areaBreakRenderer.move(2.0f, 2.0f);
+    }
+
+    @Test
+    public void getNextRendererTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        Assert.assertNull(areaBreakRenderer.getNextRenderer());
+    }
+
+    @Test
+    public void layoutTest() {
+        AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
+        LayoutResult layoutResult = areaBreakRenderer.layout(new LayoutContext(null));
+        Assert.assertEquals(LayoutResult.NOTHING, layoutResult.getStatus());
+        Assert.assertNull(layoutResult.getOccupiedArea());
+        Assert.assertNull(layoutResult.getSplitRenderer());
+        Assert.assertNull(layoutResult.getOverflowRenderer());
+        Assert.assertEquals(areaBreakRenderer, layoutResult.getCauseOfNothing());
+        Assert.assertEquals(areaBreakRenderer.areaBreak, layoutResult.getAreaBreak());
+    }
+
+}