Fix incorrect parsing of strange quote escape patterns

3 files changed, 124 insertions, 0 deletions

diff --git a/test/good/manifest.ttl b/test/good/manifest.ttl
index 00009c4f..25359fdc 100644
--- a/test/good/manifest.ttl
+++ b/test/good/manifest.ttl
@@ -45,6 +45,7 @@
 		<#test-out-of-range-unicode>
 		<#test-prefix>
 		<#test-pretty>
+		<#test-quote-escapes>
 		<#test-rel>
 		<#test-semi-dot>
 		<#test-uri-escape>
@@ -281,6 +282,12 @@
 	mf:action <test-pretty.ttl> ;
 	mf:result <test-pretty.nt> .
 
+<#test-quote-escapes>
+	rdf:type rdft:TestTurtleEval ;
+	mf:name "test-quote-escapes" ;
+	mf:action <test-quote-escapes.ttl> ;
+	mf:result <test-quote-escapes.nt> .
+
 <#test-rel>
 	rdf:type rdft:TestTurtleEval ;
 	mf:name "test-rel" ;
diff --git a/test/good/test-quote-escapes.nt b/test/good/test-quote-escapes.nt
new file mode 100644
index 00000000..26c06a8d
--- /dev/null
+++ b/test/good/test-quote-escapes.nt
@@ -0,0 +1,52 @@
+<http://example.org/s> <http://example.org/p> "\"" .
+<http://example.org/s> <http://example.org/p> "\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"" .
+<http://example.org/s> <http://example.org/p> "\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"\"" .
+<http://example.org/s> <http://example.org/p> "single \" within" .
+<http://example.org/s> <http://example.org/p> "single \" within" .
+<http://example.org/s> <http://example.org/p> "double \"\" within" .
+<http://example.org/s> <http://example.org/p> "double \"\" within" .
+<http://example.org/s> <http://example.org/p> "double \"\" within" .
+<http://example.org/s> <http://example.org/p> "double \"\" within" .
+<http://example.org/s> <http://example.org/p> "triple \"\"\" within" .
+<http://example.org/s> <http://example.org/p> "triple \"\"\" within" .
+<http://example.org/s> <http://example.org/p> "triple \"\"\" within" .
+<http://example.org/s> <http://example.org/p> "triple \"\"\" within" .
+<http://example.org/s> <http://example.org/p> "triple \"\"\" within" .
+<http://example.org/s> <http://example.org/p> "triple \"\"\" within" .
+<http://example.org/s> <http://example.org/p> "triple \"\"\" within" .
+<http://example.org/s> <http://example.org/p> "\" start single" .
+<http://example.org/s> <http://example.org/p> "\" start single" .
+<http://example.org/s> <http://example.org/p> "\"\" start double" .
+<http://example.org/s> <http://example.org/p> "\"\" start double" .
+<http://example.org/s> <http://example.org/p> "\"\" start double" .
+<http://example.org/s> <http://example.org/p> "\"\" start double" .
+<http://example.org/s> <http://example.org/p> "\"\"\" start triple" .
+<http://example.org/s> <http://example.org/p> "\"\"\" start triple" .
+<http://example.org/s> <http://example.org/p> "\"\"\" start triple" .
+<http://example.org/s> <http://example.org/p> "\"\"\" start triple" .
+<http://example.org/s> <http://example.org/p> "\"\"\" start triple" .
+<http://example.org/s> <http://example.org/p> "\"\"\" start triple" .
+<http://example.org/s> <http://example.org/p> "\"\"\" start triple" .
+<http://example.org/s> <http://example.org/p> "end single \"" .
+<http://example.org/s> <http://example.org/p> "end double \"\"" .
+<http://example.org/s> <http://example.org/p> "end double \"\"" .
+<http://example.org/s> <http://example.org/p> "end triple \"\"\"" .
+<http://example.org/s> <http://example.org/p> "end triple \"\"\"" .
+<http://example.org/s> <http://example.org/p> "end triple \"\"\"" .
+<http://example.org/s> <http://example.org/p> "end triple \"\"\"" .
diff --git a/test/good/test-quote-escapes.ttl b/test/good/test-quote-escapes.ttl
new file mode 100644
index 00000000..ffe14807
--- /dev/null
+++ b/test/good/test-quote-escapes.ttl
@@ -0,0 +1,65 @@
+<http://example.org/s> <http://example.org/p> "\"" .
+<http://example.org/s> <http://example.org/p> "\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"" .
+<http://example.org/s> <http://example.org/p> "\"\"\"\"" .
+
+<http://example.org/s> <http://example.org/p> """\"""" .
+
+<http://example.org/s> <http://example.org/p> """"\"""" .
+<http://example.org/s> <http://example.org/p> """\"\"""" .
+
+<http://example.org/s> <http://example.org/p> """""\"""" .
+<http://example.org/s> <http://example.org/p> """\""\"""" .
+<http://example.org/s> <http://example.org/p> """\""\"""" .
+<http://example.org/s> <http://example.org/p> """\"\"\"""" .
+<http://example.org/s> <http://example.org/p> """"\"\"""" .
+
+<http://example.org/s> <http://example.org/p> """""\"\"""" .
+<http://example.org/s> <http://example.org/p> """"\""\"""" .
+<http://example.org/s> <http://example.org/p> """"\"\"\"""" .
+<http://example.org/s> <http://example.org/p> """\"""\"""" .
+<http://example.org/s> <http://example.org/p> """\""\"\"""" .
+<http://example.org/s> <http://example.org/p> """\"\""\"""" .
+<http://example.org/s> <http://example.org/p> """\"\"\"\"""" .
+
+<http://example.org/s> <http://example.org/p> """single " within""" .
+<http://example.org/s> <http://example.org/p> """single \" within""" .
+
+<http://example.org/s> <http://example.org/p> """double "" within""" .
+<http://example.org/s> <http://example.org/p> """double "\" within""" .
+<http://example.org/s> <http://example.org/p> """double \"" within""" .
+<http://example.org/s> <http://example.org/p> """double \"\" within""" .
+
+<http://example.org/s> <http://example.org/p> """triple ""\" within""" .
+<http://example.org/s> <http://example.org/p> """triple "\"" within""" .
+<http://example.org/s> <http://example.org/p> """triple "\"\" within""" .
+<http://example.org/s> <http://example.org/p> """triple \""" within""" .
+<http://example.org/s> <http://example.org/p> """triple \""\" within""" .
+<http://example.org/s> <http://example.org/p> """triple \"\"" within""" .
+<http://example.org/s> <http://example.org/p> """triple \"\"\" within""" .
+
+<http://example.org/s> <http://example.org/p> """" start single""" .
+<http://example.org/s> <http://example.org/p> """\" start single""" .
+
+<http://example.org/s> <http://example.org/p> """"" start double""" .
+<http://example.org/s> <http://example.org/p> """"\" start double""" .
+<http://example.org/s> <http://example.org/p> """\"" start double""" .
+<http://example.org/s> <http://example.org/p> """\"\" start double""" .
+
+<http://example.org/s> <http://example.org/p> """""\" start triple""" .
+<http://example.org/s> <http://example.org/p> """"\"" start triple""" .
+<http://example.org/s> <http://example.org/p> """"\"\" start triple""" .
+<http://example.org/s> <http://example.org/p> """\""" start triple""" .
+<http://example.org/s> <http://example.org/p> """\""\" start triple""" .
+<http://example.org/s> <http://example.org/p> """\"\"" start triple""" .
+<http://example.org/s> <http://example.org/p> """\"\"\" start triple""" .
+
+<http://example.org/s> <http://example.org/p> """end single \"""" .
+
+<http://example.org/s> <http://example.org/p> """end double "\"""" .
+<http://example.org/s> <http://example.org/p> """end double \"\"""" .
+
+<http://example.org/s> <http://example.org/p> """end triple ""\"""" .
+<http://example.org/s> <http://example.org/p> """end triple "\"\"""" .
+<http://example.org/s> <http://example.org/p> """end triple \""\"""" .
+<http://example.org/s> <http://example.org/p> """end triple \"\"\"""" .