Wrap inline block with relative width to new line if there is not enough space on current line

DEVSIX-5796, DEVSIX-1823, DEVSIX-6143

Author: Vitali Prudnikovich

layout/src/main/java/com/itextpdf/layout/renderer/LineRenderer.java

@@ -352,14 +352,20 @@ && hasChildRendererInHtmlMode()) {
 
             MinMaxWidth childBlockMinMaxWidth = null;
             boolean isInlineBlockChild = isInlineBlockChild(childRenderer);
-            if (!childWidthWasReplaced) {
-                if (isInlineBlockChild && childRenderer instanceof AbstractRenderer) {
-                    childBlockMinMaxWidth = ((AbstractRenderer) childRenderer).getMinMaxWidth();
-                    float childMaxWidth = childBlockMinMaxWidth.getMaxWidth();
-                    float lineFullAvailableWidth = layoutContext.getArea().getBBox().getWidth() - lineLayoutContext.getTextIndent();
-                    if (!noSoftWrap && childMaxWidth > bbox.getWidth() + MIN_MAX_WIDTH_CORRECTION_EPS && bbox.getWidth() != lineFullAvailableWidth) {
-                        childResult = new LineLayoutResult(LayoutResult.NOTHING, null, null, childRenderer, childRenderer);
-                    } else {
+            if (isInlineBlockChild && childRenderer instanceof AbstractRenderer) {
+                final MinMaxWidth childBlockMinMaxWidthLocal = ((AbstractRenderer) childRenderer).getMinMaxWidth();
+                // Don't calculate childBlockMinMaxWidth in case of relative width here
+                // and further (childBlockMinMaxWidth != null)
+                if (!childWidthWasReplaced) {
+                    childBlockMinMaxWidth = childBlockMinMaxWidthLocal;
+                }
+
+                float childMaxWidth = childBlockMinMaxWidthLocal.getMaxWidth();
+                float lineFullAvailableWidth = layoutContext.getArea().getBBox().getWidth() - lineLayoutContext.getTextIndent();
+                if (!noSoftWrap && childMaxWidth > bbox.getWidth() + MIN_MAX_WIDTH_CORRECTION_EPS && bbox.getWidth() != lineFullAvailableWidth) {
+                    childResult = new LineLayoutResult(LayoutResult.NOTHING, null, null, childRenderer, childRenderer);
+                } else {
+                    if (childBlockMinMaxWidth != null) {
                         childMaxWidth += MIN_MAX_WIDTH_CORRECTION_EPS;
                         float inlineBlockWidth = Math.min(childMaxWidth, lineFullAvailableWidth);
 
@@ -376,8 +382,13 @@ && hasChildRendererInHtmlMode()) {
                             childRenderer.setProperty(Property.FORCED_PLACEMENT, true);
                         }
                     }
-                    childBlockMinMaxWidth.setChildrenMaxWidth(childBlockMinMaxWidth.getChildrenMaxWidth() + MIN_MAX_WIDTH_CORRECTION_EPS);
-                    childBlockMinMaxWidth.setChildrenMinWidth(childBlockMinMaxWidth.getChildrenMinWidth() + MIN_MAX_WIDTH_CORRECTION_EPS);
+                }
+
+                if (childBlockMinMaxWidth != null) {
+                    childBlockMinMaxWidth.setChildrenMaxWidth(
+                            childBlockMinMaxWidth.getChildrenMaxWidth() + MIN_MAX_WIDTH_CORRECTION_EPS);
+                    childBlockMinMaxWidth.setChildrenMinWidth(
+                            childBlockMinMaxWidth.getChildrenMinWidth() + MIN_MAX_WIDTH_CORRECTION_EPS);
                 }
             }
 

layout/src/test/java/com/itextpdf/layout/InlineBlockTest.java

@@ -193,7 +193,6 @@ public void wrappingAfter100PercentWidthFloatTest() throws IOException, Interrup
             );
         }
 
-        // TODO DEVSIX-5796 inline-block should be wrapped to the next line
         Assert.assertNull(new CompareTool().compareByContent(output, cmp, destinationFolder));
     }
 }