From a7b3ee43e4f70835b4cdbdc987ebdaf4899ab493 Mon Sep 17 00:00:00 2001
From: Sasha Melentyev <sasha@m8.ru>
Date: Wed, 12 Jun 2024 07:42:35 +0300
Subject: [PATCH] fix: fix false-positive (#97)

Signed-off-by: Sasha Melentyev <sasha@m8.ru>
---
 pkg/analyzer/analyzer.go                    |  4 +--
 pkg/analyzer/testdata/src/a/http/issue96.go | 28 +++++++++++++++++++++
 2 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100644 pkg/analyzer/testdata/src/a/http/issue96.go

diff --git a/pkg/analyzer/analyzer.go b/pkg/analyzer/analyzer.go
index 581bed2..09f7c82 100644
--- a/pkg/analyzer/analyzer.go
+++ b/pkg/analyzer/analyzer.go
@@ -117,8 +117,9 @@ func run(pass *analysis.Pass) (interface{}, error) {
 
 		case *ast.BinaryExpr:
 			switch n.Op {
-			case token.LSS, token.GTR, token.LEQ, token.GEQ:
+			case token.LSS, token.GTR, token.LEQ, token.GEQ, token.QUO, token.ADD, token.SUB, token.MUL:
 				return
+			default:
 			}
 
 			x, ok := n.X.(*ast.SelectorExpr)
@@ -138,7 +139,6 @@ func run(pass *analysis.Pass) (interface{}, error) {
 			if ok {
 				switchStmt(pass, x, n.Body.List)
 			}
-
 		}
 	})
 
diff --git a/pkg/analyzer/testdata/src/a/http/issue96.go b/pkg/analyzer/testdata/src/a/http/issue96.go
new file mode 100644
index 0000000..4c0473b
--- /dev/null
+++ b/pkg/analyzer/testdata/src/a/http/issue96.go
@@ -0,0 +1,28 @@
+package http_test
+
+import (
+	"net/http"
+)
+
+func _() error {
+	resp, err := http.DefaultClient.Do(&http.Request{})
+	if err != nil {
+		return err
+	}
+	defer func() { _ = resp.Body.Close() }()
+
+	if resp.StatusCode/100 != 2 {
+		return nil
+	}
+	if resp.StatusCode+100 != 2 {
+		return nil
+	}
+	if resp.StatusCode-100 != 2 {
+		return nil
+	}
+	if resp.StatusCode*100 != 2 {
+		return nil
+	}
+
+	return nil
+}