Add test for schema changes for empty lang attribute

refs w3c#777 w3c#778
Advanced-Publishing-Laboratory · Jul 10, 2017 · 0fdbd05 · 0fdbd05
1 parent bcadc90
commit 0fdbd05
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diff --git a/src/test/java/com/adobe/epubcheck/ops/OPSCheckerTest.java b/src/test/java/com/adobe/epubcheck/ops/OPSCheckerTest.java
@@ -928,4 +928,11 @@ public void testValidateXHTMLEmptyClass_EPUB2_Valid()
         EPUBVersion.VERSION_2);
   }
 
+  @Test
+  public void testValidateEmptyLangAttribute_EPUB3_Valid()
+  {
+    testValidateDocument("xhtml/valid/issue777-empty-lang.xhtml", "application/xhtml+xml",
+        EPUBVersion.VERSION_3);
+  }
+
 }
diff --git a/src/test/resources/30/single/xhtml/valid/issue777-empty-lang.xhtml b/src/test/resources/30/single/xhtml/valid/issue777-empty-lang.xhtml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+	<head>
+		<title>Allow empty lang attribute</title>
+	</head>
+	<body>
+		<p lang="" xml:lang="">This para has an empty lang attribute which was invalid prior to v4.1</p>
+		<p>Details: https://github.com/IDPF/epubcheck/issues/777</p>
+	</body>
+</html>