Add html tests after improve LayoutResult.NOTHING processing of the cells and a container itself and adding proper forced placement logic

DEVSIX-8329

Author: vitali-pr

src/main/java/com/itextpdf/html2pdf/attach/impl/tags/DisplayGridTagWorker.java

@@ -24,7 +24,9 @@ This file is part of the iText (R) project.
 
 import com.itextpdf.html2pdf.attach.ITagWorker;
 import com.itextpdf.html2pdf.attach.ProcessorContext;
+import com.itextpdf.layout.IPropertyContainer;
 import com.itextpdf.layout.element.GridContainer;
+import com.itextpdf.layout.element.IElement;
 import com.itextpdf.styledxmlparser.node.IElementNode;
 
 /**
@@ -41,4 +43,17 @@ public class DisplayGridTagWorker extends DivTagWorker {
     public DisplayGridTagWorker(IElementNode element, ProcessorContext context) {
         super(element, context, new GridContainer());
     }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean processTagChild(ITagWorker childTagWorker, ProcessorContext context) {
+        final IPropertyContainer element = childTagWorker.getElementResult();
+        if (childTagWorker instanceof BrTagWorker) {
+            return super.processTagChild(childTagWorker, context);
+        } else {
+            return addBlockChild((IElement) element);
+        }
+    }
 }

src/test/java/com/itextpdf/html2pdf/css/grid/GridTemplateColumnTest.java

@@ -39,8 +39,6 @@ public class GridTemplateColumnTest extends ExtendedHtmlConversionITextTest {
     public static final String DESTINATION_FOLDER = "./target/test/com/itextpdf/html2pdf/css/grid/GridTemplateColumnTest/";
 
 
-    //TODO DEVSIX-3340 change cmp files when GRID LAYOUT is supported
-
     @BeforeAll
     public static void beforeClass() {
         createOrClearDestinationFolder(DESTINATION_FOLDER);
@@ -113,9 +111,6 @@ public void templateColumnMixedTest() throws IOException, InterruptedException {
     }
 
     @Test
-    @LogMessages(messages = {
-            @LogMessage(messageTemplate = LayoutLogMessageConstant.ELEMENT_DOES_NOT_FIT_AREA)
-    })
     // TODO DEVSIX-8324
     public void templateColumnMultiPageTest() throws IOException, InterruptedException {
         runTest("template-cols-enormous-size");

src/test/java/com/itextpdf/html2pdf/css/grid/GridTemplateCombinedTest.java

@@ -35,8 +35,6 @@ public class GridTemplateCombinedTest extends ExtendedHtmlConversionITextTest {
     public static final String SOURCE_FOLDER = "./src/test/resources/com/itextpdf/html2pdf/css/grid/GridTemplateCombinedTest/";
     public static final String DESTINATION_FOLDER = "./target/test/com/itextpdf/html2pdf/css/grid/GridTemplateCombinedTest/";
 
-    //TODO DEVSIX-3340 change cmp files when GRID LAYOUT is supported
-
     @BeforeAll
     public static void beforeClass() {
         createOrClearDestinationFolder(DESTINATION_FOLDER);

src/test/java/com/itextpdf/html2pdf/css/grid/GridTemplateElementPropertyContainerTest.java

@@ -70,7 +70,6 @@ public void paddingAllToBigForWidthTest() throws IOException, InterruptedExcepti
     }
 
     @Test
-    @Ignore("DEVSIX-TODO")
     public void paddingOverflowX() throws IOException, InterruptedException {
         runTest("padding_overflow_x");
     }

src/test/java/com/itextpdf/html2pdf/css/grid/GridTemplateRowTest.java

@@ -35,8 +35,6 @@ public class GridTemplateRowTest extends ExtendedHtmlConversionITextTest {
     public static final String SOURCE_FOLDER = "./src/test/resources/com/itextpdf/html2pdf/css/grid/GridTemplateRowTest/";
     public static final String DESTINATION_FOLDER = "./target/test/com/itextpdf/html2pdf/css/grid/GridTemplateRowTest/";
 
-    //TODO DEVSIX-3340 change cmp files when GRID LAYOUT is supported
-
     @BeforeAll
     public static void beforeClass() {
         createOrClearDestinationFolder(DESTINATION_FOLDER);

src/test/java/com/itextpdf/html2pdf/css/grid/GridTemplatesTest.java

@@ -24,6 +24,10 @@ This file is part of the iText (R) project.
 
 import com.itextpdf.html2pdf.ConverterProperties;
 import com.itextpdf.html2pdf.ExtendedHtmlConversionITextTest;
+import com.itextpdf.layout.logs.LayoutLogMessageConstant;
+import com.itextpdf.test.LogLevelConstants;
+import com.itextpdf.test.annotations.LogMessage;
+import com.itextpdf.test.annotations.LogMessages;
 
 import java.io.IOException;
 import org.junit.jupiter.api.BeforeAll;
@@ -253,6 +257,79 @@ public void fixedTemplatesAndCellDoesNotHaveDirectNeighborTest() throws IOExcept
         runTest("fixedTemplatesAndCellDoesNotHaveDirectNeighborTest");
     }
 
+    public void gridInsideGridTest() throws IOException, InterruptedException {
+        runTest("gridInsideGridTest");
+    }
+
+    @Test
+    public void gridInsideGridOnPageBreakTest() throws IOException, InterruptedException {
+        runTest("gridInsideGridOnPageBreakTest");
+    }
+
+    @Test
+    // TODO DEVSIX-8340 - inner grid doesn't adjust its size
+    public void elementDoesntFitContentTest() throws IOException, InterruptedException {
+        runTest("elementDoesntFitContentTest");
+    }
+
+    @Test
+    public void elementDoesntFitTest() throws IOException, InterruptedException {
+        runTest("elementDoesntFitTest");
+    }
+
+    @Test
+    public void elementDoesntFitHorizontallyTest() throws IOException, InterruptedException {
+        runTest("elementDoesntFitHorizontallyTest");
+    }
+
+    @Test
+    // TODO DEVSIX-8340 - columns are not preserved
+    public void elementDoesntFitOverflowingToNextPageTest() throws IOException, InterruptedException {
+        runTest("elementDoesntFitOverflowingToNextPageTest");
+    }
+
+    @Test
+    // TODO DEVSIX-8340 - We don't try to split the cell.
+    // TODO DEVSIX-8340 - We put the original amount of rows into overflow container.
+    public void elementDoesntFitContentOverflowingToNextPageTest() throws IOException, InterruptedException {
+        runTest("elementDoesntFitContentOverflowingToNextPageTest");
+    }
+
+    @Test
+    @LogMessages(messages = {
+            @LogMessage(messageTemplate = LayoutLogMessageConstant.ELEMENT_DOES_NOT_FIT_AREA, logLevel =
+                    LogLevelConstants.WARN)})
+    public void imageElementDoesntFitTest() throws IOException, InterruptedException {
+        runTest("imageElementDoesntFitTest");
+    }
+
+    @Test
+    public void manyImageElementsTest() throws IOException, InterruptedException {
+        runTest("manyImageElementsTest");
+    }
+
+    @Test
+    public void imageElementsOn2ndPageTest() throws IOException, InterruptedException {
+        runTest("imageElementsOn2ndPageTest");
+    }
+
+    @Test
+    public void gridWithBrTest() throws IOException, InterruptedException {
+        runTest("gridWithBrTest");
+    }
+
+    @Test
+    public void gridWithPageBreakTest() throws IOException, InterruptedException {
+        runTest("gridWithPageBreakTest");
+    }
+
+    // TODO DEVSIX-8340 - table size is not recalculated on the next page
+    // Same as in DEVSIX-8318
+    @Test
+    public void gridWithTableTest() throws IOException, InterruptedException {
+        runTest("gridWithTableTest");
+    }
+
     @Test
     public void gridLayoutDisablingTest() throws IOException, InterruptedException {
         convertToPdfAndCompare("basicColumnFewDivsTest",