diff --git a/feature-settings/build.gradle.kts b/feature-settings/build.gradle.kts
index 7e4f065..f612014 100644
--- a/feature-settings/build.gradle.kts
+++ b/feature-settings/build.gradle.kts
@@ -43,4 +43,7 @@ dependencies {
 
     implementation(libs.hilt.android)
     ksp(libs.hilt.compiler)
+
+    testImplementation(libs.junit)
+    testImplementation(libs.kotlinx.coroutines.test)
 }
diff --git a/feature-settings/src/test/java/com/sayanthrock/rockreleasehub/feature/settings/SettingsViewModelTest.kt b/feature-settings/src/test/java/com/sayanthrock/rockreleasehub/feature/settings/SettingsViewModelTest.kt
new file mode 100644
index 0000000..44a091b
--- /dev/null
+++ b/feature-settings/src/test/java/com/sayanthrock/rockreleasehub/feature/settings/SettingsViewModelTest.kt
@@ -0,0 +1,42 @@
+package com.sayanthrock.rockreleasehub.feature.settings
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class SettingsViewModelTest {
+
+    @Test
+    fun `initial state is Success with isDarkMode true`() {
+        val viewModel = SettingsViewModel()
+        val currentState = viewModel.uiState.value
+
+        assertEquals(SettingsState.Success(isDarkMode = true), currentState)
+    }
+
+    @Test
+    fun `toggleDarkMode changes isDarkMode from true to false`() {
+        val viewModel = SettingsViewModel()
+
+        // Initial state is true
+        assertEquals(SettingsState.Success(isDarkMode = true), viewModel.uiState.value)
+
+        // Toggle
+        viewModel.toggleDarkMode()
+
+        // State should now be false
+        assertEquals(SettingsState.Success(isDarkMode = false), viewModel.uiState.value)
+    }
+
+    @Test
+    fun `toggleDarkMode changes isDarkMode from false to true`() {
+        val viewModel = SettingsViewModel()
+
+        // Toggle to false
+        viewModel.toggleDarkMode()
+        assertEquals(SettingsState.Success(isDarkMode = false), viewModel.uiState.value)
+
+        // Toggle back to true
+        viewModel.toggleDarkMode()
+        assertEquals(SettingsState.Success(isDarkMode = true), viewModel.uiState.value)
+    }
+}