fuzz-marshal-float-64ptr

.github/workflows/main.yml

@@ -25,6 +25,21 @@ jobs:
       - run: go vet
       - name: Run unit tests
         run: go test -v -tags unit -race
+
+  Fuzzing:
+    name: Fuzz tests
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go: [ '1.19', '1.20' ]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go }}
+      - run: go vet
+      - name: Run unit tests
+        run: go test -race -v -fuzz Fuzz -fuzztime 30s -parallel=1 -tags fuzz
   integration-cassandra:
     timeout-minutes: 15
     needs:
@@ -198,4 +213,4 @@ jobs:
       - name: Integration tests
         run: |
           export JVM_EXTRA_OPTS="${{env.JVM_EXTRA_OPTS}}"
-          go test -v -run=TestAuthentication -tags "${{ matrix.tags }} gocql_debug" -timeout=15s -runauth ${{ env.args }}
+          go test -v -run=TestAuthentication -tags "${{ matrix.tags }} gocql_debug" -timeout=15s -runauth ${{ env.args }}

fuzz_cassandra_test.go

@@ -0,0 +1,31 @@
+//go:build fuzz
+// +build fuzz
+
+package gocql
+
+import (
+	"testing"
+)
+
+// FuzzMarshalFloat64Ptr aimed to repeatedly test float64 marshaling with generated inputs based on seed corpus.
+func FuzzMarshalFloat64Ptr(f *testing.F) {
+	f.Add(float64(7500), float64(7500.00))
+
+	f.Fuzz(func(t *testing.T, num, numWithPoints float64) {
+		session := createSession(t, &ClusterConfig{ProtoVersion: protoVersion3})
+
+		defer session.Close()
+
+		if err := createTable(session, "CREATE TABLE IF NOT EXISTS gocql_test.float_test (id double, test double, primary key (id))"); err != nil {
+			t.Fatal("create table:", err)
+		}
+
+		if err := session.Query(`TRUNCATE TABLE gocql_test.float_test`).Exec(); err != nil {
+			t.Fatal("truncate table:", err)
+		}
+
+		if err := session.Query(`INSERT INTO float_test (id,test) VALUES (?,?)`, numWithPoints, &num).Exec(); err != nil {
+			t.Fatal("insert float64:", err)
+		}
+	})
+}