Added benchmark for comparing unequal strings with EqualBytesStr

bytesconv_timing_test.go

@@ -37,7 +37,7 @@ func BenchmarkLowercaseBytesMixed(b *testing.B) {
 	})
 }
 
-func BenchmarkEqualBytesStr(b *testing.B) {
+func BenchmarkEqualBytesStrEq(b *testing.B) {
 	s := "foobarbaraz"
 	bs := []byte(s)
 	b.RunParallel(func(pb *testing.PB) {
@@ -49,6 +49,19 @@ func BenchmarkEqualBytesStr(b *testing.B) {
 	})
 }
 
+func BenchmarkEqualBytesStrNe(b *testing.B) {
+	s := "foobarbaraz"
+	bs := []byte(s)
+	bs[len(s)-1] = 'a'
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			if EqualBytesStr(bs, s) {
+				b.Fatalf("unexpected result: %q = %q", bs, s)
+			}
+		}
+	})
+}
+
 func BenchmarkAppendBytesStr(b *testing.B) {
 	s := "foobarbazbaraz"
 	b.RunParallel(func(pb *testing.PB) {