diff --git a/tests/boolean_test.go b/tests/boolean_test.go
new file mode 100644
index 0000000..c3cc030
--- /dev/null
+++ b/tests/boolean_test.go
@@ -0,0 +1,140 @@
+/*
+** Copyright (c) 2025 Oracle and/or its affiliates.
+**
+** The Universal Permissive License (UPL), Version 1.0
+**
+** Subject to the condition set forth below, permission is hereby granted to any
+** person obtaining a copy of this software, associated documentation and/or data
+** (collectively the "Software"), free of charge and under any and all copyright
+** rights in the Software, and any and all patent rights owned or freely
+** licensable by each licensor hereunder covering either (i) the unmodified
+** Software as contributed to or provided by such licensor, or (ii) the Larger
+** Works (as defined below), to deal in both
+**
+** (a) the Software, and
+** (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
+** one is included with the Software (each a "Larger Work" to which the Software
+** is contributed by such licensors),
+**
+** without restriction, including without limitation the rights to copy, create
+** derivative works of, display, perform, and distribute the Software and make,
+** use, sell, offer for sale, import, export, have made, and have sold the
+** Software and the Larger Work(s), and to sublicense the foregoing rights on
+** either these or other terms.
+**
+** This license is subject to the following condition:
+** The above copyright notice and either this complete permission notice or at
+** a minimum a reference to the UPL must be included in all copies or
+** substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+** SOFTWARE.
+ */
+
+package tests
+
+import (
+	"database/sql"
+	"testing"
+)
+
+type BooleanTest struct {
+	ID       uint        `gorm:"column:ID;primaryKey"`
+	Flag     bool        `gorm:"column:FLAG"` 
+	Nullable *bool       `gorm:"column:NULLABLE"` 
+	SQLBool  sql.NullBool `gorm:"column:SQL_BOOL"`
+}
+
+func TestBooleanBasicInsert(t *testing.T) {
+	DB.Migrator().DropTable(&BooleanTest{})
+	if err := DB.AutoMigrate(&BooleanTest{}); err != nil {
+		t.Fatalf("failed to migrate: %v", err)
+	}
+
+	valTrue := true
+	valFalse := false
+
+	// Insert true
+	bt1 := BooleanTest{Flag: true, Nullable: &valTrue}
+	if err := DB.Create(&bt1).Error; err != nil {
+		t.Fatalf("insert true failed: %v", err)
+	}
+
+	// Insert false
+	bt2 := BooleanTest{Flag: false, Nullable: &valFalse}
+	if err := DB.Create(&bt2).Error; err != nil {
+		t.Fatalf("insert false failed: %v", err)
+	}
+
+	// Verify fetch
+	var got1, got2 BooleanTest
+	if err := DB.First(&got1, bt1.ID).Error; err != nil {
+		t.Fatal(err)
+	}
+	if got1.Flag != true {
+		t.Errorf("expected true, got %v", got1.Flag)
+	}
+
+	if err := DB.First(&got2, bt2.ID).Error; err != nil {
+		t.Fatal(err)
+	}
+	if got2.Flag != false {
+		t.Errorf("expected false, got %v", got2.Flag)
+	}
+}
+
+func TestBooleanUpdate(t *testing.T) {
+	DB.Migrator().DropTable(&BooleanTest{})
+	DB.AutoMigrate(&BooleanTest{})
+
+	bt := BooleanTest{Flag: false}
+	DB.Create(&bt)
+
+	// Update false → true
+	if err := DB.Model(&bt).Update("Flag", true).Error; err != nil {
+		t.Fatalf("update failed: %v", err)
+	}
+
+	var got BooleanTest
+	DB.First(&got, bt.ID)
+	if got.Flag != true {
+		t.Errorf("expected true after update, got %v", got.Flag)
+	}
+}
+
+func TestBooleanQueryFilters(t *testing.T) {
+	DB.Migrator().DropTable(&BooleanTest{})
+	DB.AutoMigrate(&BooleanTest{})
+
+	DB.Create(&BooleanTest{Flag: true})
+	DB.Create(&BooleanTest{Flag: false})
+
+	var trues []BooleanTest
+	if err := DB.Where("FLAG = ?", true).Find(&trues).Error; err != nil {
+		t.Fatal(err)
+	}
+	for _, row := range trues {
+		if !row.Flag {
+			t.Errorf("expected only true rows, got false")
+		}
+	}
+}
+
+func TestBooleanNegativeInvalidDBValue(t *testing.T) {
+	// Insert invalid value directly (bypassing GORM)
+	if err := DB.Exec("INSERT INTO BOOLEAN_TEST (ID, FLAG) VALUES (999, 2)").Error; err != nil {
+		t.Logf("expected insert error: %v", err)
+		return
+	}
+
+	var got BooleanTest
+	err := DB.First(&got, 999).Error
+	if err == nil {
+		t.Errorf("expected scan error for invalid boolean mapping, got %+v", got)
+	}
+}