diff --git a/launcher/bootstrap/build.gradle.kts b/launcher/bootstrap/build.gradle.kts
index 5ea0057..b071501 100644
--- a/launcher/bootstrap/build.gradle.kts
+++ b/launcher/bootstrap/build.gradle.kts
@@ -62,3 +62,11 @@ tasks.named<Jar>("jar") {
     // it's first on SK's classpath and would shadow the real frenchpress.
     exclude("co/frenchpress/**")
 }
+
+dependencies {
+    testImplementation("junit:junit:4.13.2")
+}
+
+tasks.named<Test>("test") {
+    useJUnit()
+}
diff --git a/launcher/bootstrap/src/test/java/com/skarm/launcher/bootstrap/NativeBridgePromptTest.java b/launcher/bootstrap/src/test/java/com/skarm/launcher/bootstrap/NativeBridgePromptTest.java
new file mode 100644
index 0000000..ddfaf34
--- /dev/null
+++ b/launcher/bootstrap/src/test/java/com/skarm/launcher/bootstrap/NativeBridgePromptTest.java
@@ -0,0 +1,62 @@
+package com.skarm.launcher.bootstrap;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import java.lang.reflect.Method;
+
+public class NativeBridgePromptTest {
+
+    @Test
+    public void testInvokeWithNullMethod() throws Exception {
+        Method invokeMethod = NativeBridgePrompt.class.getDeclaredMethod("invoke", Method.class, Object[].class);
+        invokeMethod.setAccessible(true);
+
+        String result = (String) invokeMethod.invoke(null, null, new Object[0]);
+        assertEquals("", result);
+    }
+
+    @Test
+    public void testInvokeWithMethodThrowingException() throws Exception {
+        Method invokeMethod = NativeBridgePrompt.class.getDeclaredMethod("invoke", Method.class, Object[].class);
+        invokeMethod.setAccessible(true);
+
+        Method throwingMethod = NativeBridgePromptTest.class.getDeclaredMethod("throwingMethod");
+
+        String result = (String) invokeMethod.invoke(null, throwingMethod, new Object[0]);
+        assertEquals("", result);
+    }
+
+    @Test
+    public void testInvokeWithValidMethod() throws Exception {
+        Method invokeMethod = NativeBridgePrompt.class.getDeclaredMethod("invoke", Method.class, Object[].class);
+        invokeMethod.setAccessible(true);
+
+        Method validMethod = NativeBridgePromptTest.class.getDeclaredMethod("validMethod");
+
+        String result = (String) invokeMethod.invoke(null, validMethod, new Object[0]);
+        assertEquals("success", result);
+    }
+
+    @Test
+    public void testInvokeWithNullReturn() throws Exception {
+        Method invokeMethod = NativeBridgePrompt.class.getDeclaredMethod("invoke", Method.class, Object[].class);
+        invokeMethod.setAccessible(true);
+
+        Method nullReturnMethod = NativeBridgePromptTest.class.getDeclaredMethod("nullReturnMethod");
+
+        String result = (String) invokeMethod.invoke(null, nullReturnMethod, new Object[0]);
+        assertEquals("", result);
+    }
+
+    public static String throwingMethod() {
+        throw new RuntimeException("Test exception");
+    }
+
+    public static String validMethod() {
+        return "success";
+    }
+
+    public static String nullReturnMethod() {
+        return null;
+    }
+}