From 0b52f9a3618fb33e3cde84f9db7b73e324dff643 Mon Sep 17 00:00:00 2001
From: tidwall <joshbaker77@gmail.com>
Date: Mon, 25 Oct 2021 07:11:04 -0700
Subject: [PATCH] Fix empty string operator not matching

fixes #246
---
 gjson.go      |  2 +-
 gjson_test.go | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/gjson.go b/gjson.go
index 58c6cbc..279649e 100644
--- a/gjson.go
+++ b/gjson.go
@@ -761,7 +761,7 @@ func parseArrayPath(path string) (r arrayPathResult) {
 						// bad query, end now
 						break
 					}
-					if len(value) > 2 && value[0] == '"' &&
+					if len(value) >= 2 && value[0] == '"' &&
 						value[len(value)-1] == '"' {
 						value = value[1 : len(value)-1]
 						if vesc {
diff --git a/gjson_test.go b/gjson_test.go
index a088556..306940f 100644
--- a/gjson_test.go
+++ b/gjson_test.go
@@ -2261,3 +2261,15 @@ func TestNaNInf(t *testing.T) {
 	})
 
 }
+
+func TestEmptyValueQuery(t *testing.T) {
+	// issue: https://github.com/tidwall/gjson/issues/246
+	assert(t, Get(
+		`["ig","","tw","fb","tw","ig","tw"]`,
+		`#(!="")#`).Raw ==
+		`["ig","tw","fb","tw","ig","tw"]`)
+	assert(t, Get(
+		`["ig","","tw","fb","tw","ig","tw"]`,
+		`#(!=)#`).Raw ==
+		`["ig","tw","fb","tw","ig","tw"]`)
+}