Update AppTest.kt

Author: 22388o

app/src/test/kotlin/org/example/AppTest.kt

@@ -1,14 +1,34 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
 package org.example
 
 import kotlin.test.Test
-import kotlin.test.assertNotNull
+import kotlin.test.assertEquals
 
 class AppTest {
-    @Test fun appHasAGreeting() {
-        val classUnderTest = App()
-        assertNotNull(classUnderTest.greeting, "app should have a greeting")
+
+    private val zkCoinJoin = ZKCoinJoin()
+
+    @Test
+    fun testAddParticipant() {
+        val result = zkCoinJoin.addParticipant("Alice")
+        assertEquals("Participant Alice added to the CoinJoin.", result, "Failed to add participant to CoinJoin")
+    }
+
+    @Test
+    fun testGenerateProof() {
+        val result = zkCoinJoin.generateProof("Alice")
+        assertEquals("Generated Zero-Knowledge proof for Alice.", result, "Failed to generate Zero-Knowledge proof")
+    }
+
+    @Test
+    fun testPerformCoinJoin() {
+        val result = zkCoinJoin.performCoinJoin()
+        assertEquals("CoinJoin completed using Zero-Knowledge proofs.", result, "Failed to perform CoinJoin process")
+    }
+
+    @Test
+    fun testGreeting() {
+        val app = App()
+        assertEquals("Hello World!", app.greeting, "Greeting did not match expected output")
     }
 }
+