From b70d639180909bd1b6f55d5afcdbf4cd383c4518 Mon Sep 17 00:00:00 2001
From: Thomas Wilkerling <thomas@nextapps.de>
Date: Thu, 17 Apr 2025 10:11:27 +0200
Subject: [PATCH] add test for context chain (term duplication)

---
 test/context.js | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/test/context.js b/test/context.js
index e4dee3a..4b1544b 100644
--- a/test/context.js
+++ b/test/context.js
@@ -126,4 +126,34 @@ describe("Context", function(){
         result = index.search("1 2 3", { context: false });
         expect(result[0]).to.equal(1);
     });
+
+    it("Should have been handled properly the context chain (term deduplication)", function(){
+
+        let index = new Index({ context: true });
+        index.add(1, "A A B B C C A A B B C C");
+
+        let result = index.search("A");
+        expect(result).to.eql([1]);
+
+        result = index.search("A A");
+        expect(result).to.eql([1]);
+
+        result = index.search("A A A");
+        expect(result).to.eql([1]);
+
+        result = index.search("A B A");
+        expect(result).to.eql([1]);
+
+        result = index.search("A B B");
+        expect(result).to.eql([1]);
+
+        result = index.search("B A B");
+        expect(result).to.eql([1]);
+
+        result = index.search("B A A");
+        expect(result).to.eql([1]);
+
+        result = index.search("C C B B A A");
+        expect(result).to.eql([1]);
+    });
 });