5 files changed, 13 insertions, 0 deletions
diff --git a/test/lax/manifest.ttl b/test/lax/manifest.ttl
index e3b11ff4..0cfdb776 100644
--- a/test/lax/manifest.ttl
+++ b/test/lax/manifest.ttl
@@ -7,10 +7,17 @@
 	rdf:type mf:Manifest ;
 	rdfs:comment "Serd lax syntax test cases" ;
 	mf:entries (
+		<#test-bad-string>
 		<#test-bad-uri>
 		<#test-bad-utf8>
 	) .
 
+<#test-bad-string>
+	rdf:type rdft:TestTurtleNegativeSyntax ;
+	mf:name "test-bad-string" ;
+	mf:action <test-bad-string.ttl> ;
+	mf:result <test-bad-string.nt> .
+
 <#test-bad-uri>
 	rdf:type rdft:TestTurtleNegativeSyntax ;
 	mf:name "test-bad-uri" ;
diff --git a/test/lax/test-bad-string.nt b/test/lax/test-bad-string.nt
new file mode 100644
index 00000000..24f80a2e
--- /dev/null
+++ b/test/lax/test-bad-string.nt
@@ -0,0 +1 @@
+<http://example.org/s1> <http://example.org/p2> "Good" .
diff --git a/test/lax/test-bad-string.ttl b/test/lax/test-bad-string.ttl
new file mode 100644
index 00000000..72eb9621
--- /dev/null
+++ b/test/lax/test-bad-string.ttl
@@ -0,0 +1,3 @@
+<http://example.org/s1> <http://example.org/p1> "Truncated line
+<http://example.org/s1> <http://example.org/p1> "Bad escape \? " .
+<http://example.org/s1> <http://example.org/p2> "Good" .
diff --git a/test/lax/test-bad-uri.nt b/test/lax/test-bad-uri.nt
index 7458e12a..8cb00ba7 100644
--- a/test/lax/test-bad-uri.nt
+++ b/test/lax/test-bad-uri.nt
@@ -1,3 +1,4 @@
+<http://example.org/s> <http://example.org/p> <http://example.org/\u0009bado1> .
 <http://example.org/s> <http://example.org/p> <http://example.org/goodo1> .
 <http://example.org/s> <http://example.org/p> <http://example.org/\uFFFDbado2> .
 <http://example.org/s> <http://example.org/p> <http://example.org/goodo2> .
diff --git a/test/test_reader_writer.c b/test/test_reader_writer.c
index 573b13de..134c7a8e 100644
--- a/test/test_reader_writer.c
+++ b/test/test_reader_writer.c
@@ -59,6 +59,7 @@ test_sink(void*              handle,
 static size_t
 eof_test_read(void* buf, size_t size, size_t nmemb, void* stream)
 {
+  assert(size == 1);
   assert(nmemb == 1);
 
   static const char* const string = "_:s1 <http://example.org/p> _:o1 .\n"