diff --git a/spec/parser.spec.js b/spec/parser.spec.js
index 7c342c3..0194bcb 100644
--- a/spec/parser.spec.js
+++ b/spec/parser.spec.js
@@ -72,6 +72,21 @@ describe("PEG.js grammar parser", function() {
     });
   });
 
+  /* Canonical simpleEscapeSequence is "\\n". */
+  it("parses simpleEscapeSequence", function() {
+    expect('start = "\\b"').toParseAs(literalGrammar("\b"));
+    expect('start = "\\f"').toParseAs(literalGrammar("\f"));
+    expect('start = "\\n"').toParseAs(literalGrammar("\n"));
+    expect('start = "\\r"').toParseAs(literalGrammar("\r"));
+    expect('start = "\\t"').toParseAs(literalGrammar("\t"));
+    expect('start = "\\v"').toParseAs(literalGrammar("\x0B")); // no "\v" in IE
+    expect('start = "\\a"').toParseAs(literalGrammar("a"));
+
+    expect('start = "\\1"').toFailToParse();
+    expect('start = "\\x"').toFailToParse();
+    expect('start = "\\u"').toFailToParse();
+  });
+
   /* Canonical zeroEscapeSequence is "\\0". */
   it("parses zeroEscapeSequence", function() {
     expect('start = "\\0"').toParseAs(literalGrammar("\x00"));
diff --git a/test/parser-test.js b/test/parser-test.js
index 290a542..2c3c2da 100644
--- a/test/parser-test.js
+++ b/test/parser-test.js
@@ -469,20 +469,4 @@ test("parses simpleBracketDelimitedCharacter", function() {
   parserDoesNotParse("start = [\u2029]");
 });
 
-/* Canonical simpleEscapeSequence is "\\n". */
-test("parses simpleEscapeSequence", function() {
-  parserParses('start = "\\\'"', literalGrammar("'"));
-  parserParses('start = "\\""',  literalGrammar("\""));
-  parserParses('start = "\\\\"', literalGrammar("\\"));
-  parserParses('start = "\\b"',  literalGrammar("\b"));
-  parserParses('start = "\\f"',  literalGrammar("\f"));
-  parserParses('start = "\\n"',  literalGrammar("\n"));
-  parserParses('start = "\\r"',  literalGrammar("\r"));
-  parserParses('start = "\\t"',  literalGrammar("\t"));
-  /* IE does not recognize "\v". */
-  parserParses('start = "\\v"',  literalGrammar("\x0B"));
-
-  parserParses('start = "\\a"',  literalGrammar("a"));
-});
-
 })();