Wrap subscript runs in <sub>

2 files changed, 11 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/mammoth/DocumentConverter.java b/src/main/java/org/zwobble/mammoth/DocumentConverter.java
index 2c2d7cd..be2f68e 100644
--- a/src/main/java/org/zwobble/mammoth/DocumentConverter.java
+++ b/src/main/java/org/zwobble/mammoth/DocumentConverter.java
@@ -38,6 +38,9 @@ public class DocumentConverter {
                 if (run.isStrikethrough()) {
                     nodes = list(Html.element("s", nodes));
                 }
+                if (run.getVerticalAlignment() == VerticalAlignment.SUBSCRIPT) {
+                    nodes = list(Html.element("sub", nodes));
+                }
                 if (run.getVerticalAlignment() == VerticalAlignment.SUPERSCRIPT) {
                     nodes = list(Html.element("sup", nodes));
                 }
diff --git a/src/test/java/org/zwobble/mammoth/tests/DocumentConverterTests.java b/src/test/java/org/zwobble/mammoth/tests/DocumentConverterTests.java
index 8024291..ff12f5d 100644
--- a/src/test/java/org/zwobble/mammoth/tests/DocumentConverterTests.java
+++ b/src/test/java/org/zwobble/mammoth/tests/DocumentConverterTests.java
@@ -12,6 +12,7 @@ import java.util.List;
 
 import static com.natpryce.makeiteasy.MakeItEasy.*;
 import static org.hamcrest.MatcherAssert.assertThat;
+import static org.zwobble.mammoth.documents.VerticalAlignment.SUBSCRIPT;
 import static org.zwobble.mammoth.documents.VerticalAlignment.SUPERSCRIPT;
 import static org.zwobble.mammoth.tests.DeepReflectionMatcher.deepEquals;
 import static org.zwobble.mammoth.tests.documents.DocumentElementMakers.*;
@@ -74,6 +75,13 @@ public class DocumentConverterTests {
             deepEquals(list(Html.element("sup", list(Html.text("Hello"))))));
     }
 
+    @Test
+    public void subscriptRunsAreWrappedInSubscriptTags() {
+        assertThat(
+            convertToHtml(make(a(RUN, with(VERTICAL_ALIGNMENT, SUBSCRIPT), with(CHILDREN, list(new Text("Hello")))))),
+            deepEquals(list(Html.element("sub", list(Html.text("Hello"))))));
+    }
+
 
     private List<HtmlNode> convertToHtml(DocumentElement element) {
         return DocumentConverter.convertToHtml(element);