diff --git a/CHANGELOG.md b/CHANGELOG.md
index 466793c..6f1de8c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,4 +11,5 @@
 - Added functionality to sign SOL and fungible tokens transfer transaction
 - Added functionality to broadcast a signed transaction
 - Added functionality to get estimated fee for a transaction
-- Added functionality to accept priority fee for a transaction
\ No newline at end of file
+- Added functionality to accept priority fee for a transaction
+- Added test cases
\ No newline at end of file
diff --git a/test/constants.js b/test/constants.js
index f768c00..dfdc4a7 100644
--- a/test/constants.js
+++ b/test/constants.js
@@ -1,5 +1,10 @@
 module.exports = {
     HD_WALLET_12_MNEMONIC: 'affair entry detect broom axis crawl found valve bamboo taste broken hundred',
+
+    TEST_ADDRESS_1: 'FwHMHCWLZDDoFU3e9fngmX5KtGZ2dyvTQfqZxPcEX2Zi',
+    PRIVATE_KEY_1: '59gSMJ78dCitP5Yw328BGL7fyG4qeT2ovE1bxkRXwfPkzPEMsAP3CGHmbE4r1eFqwcQH4H7AY5CzAsEr5t2cfVBz',
+    TEST_ADDRESS_2: '71H3rBodCbkMSNDg4vzoH7tmdQmpY8h8SEe4UY6ZujYS',
+    TEST_ADDRESS_3: '2JUYPMzwdFvrJWcRweyXzFWHQodCgK93EhEB9yF91FUW',
     
     SOLANA_NETWORK: {
         MAINNET: {
@@ -16,4 +21,18 @@ module.exports = {
             URL: 'https://api.devnet.solana.com'
         }
     },
+
+    TRANSACTION_TYPE: {
+        NATIVE_TRANSFER: "NATIVE_TRANSFER",
+        TOKEN_TRANSFER: "TOKEN_TRANSFER"
+    },
+
+    TRANSFER_SOL: {
+        SOL_RECEIVER: '71H3rBodCbkMSNDg4vzoH7tmdQmpY8h8SEe4UY6ZujYS',
+        SOL_AMOUNT: 100000000
+    },
+
+    TESTING_MESSAGE_1: "ThisMessageOneIsForTesting",
+    TESTING_MESSAGE_2: "This_message_two_is_for_testing",
+    TESTING_MESSAGE_3: "This message three is for testing"
 }
\ No newline at end of file
diff --git a/test/index.js b/test/index.js
index dbf6d9e..c2185a2 100644
--- a/test/index.js
+++ b/test/index.js
@@ -3,25 +3,102 @@ const { KeyringController: Solana, getBalance } = require('../src/index')
 
 const {
     HD_WALLET_12_MNEMONIC,
+    TEST_ADDRESS_1,
+    TEST_ADDRESS_2,
+    PRIVATE_KEY_1,
     SOLANA_NETWORK: {
         MAINNET,
         DEVNET,
         TESTNET
     },
+    TRANSACTION_TYPE: { 
+        NATIVE_TRANSFER,
+        TOKEN_TRANSFER
+    },
+    TRANSFER_SOL: {
+        SOL_RECEIVER,
+        SOL_AMOUNT
+    },
+    TESTING_MESSAGE_1,
+    TESTING_MESSAGE_2,
+    TESTING_MESSAGE_3,
 } = require('./constants.js')
+
 const opts = {
     mnemonic: HD_WALLET_12_MNEMONIC,
     network: DEVNET.NETWORK
 }
 
+const SOL_TXN_PARAM = {
+    to: SOL_RECEIVER,
+    amount: SOL_AMOUNT,
+    txnType: NATIVE_TRANSFER,
+}
+
 describe('Controller test', () => {
     const solWallet = new Solana(opts)
 
     it("Should generate new address ", async () => {
         const wallet = await solWallet.addAccount()
+        assert(wallet.address === TEST_ADDRESS_1, "Added address should be " + TEST_ADDRESS_1)
         console.log("wallet, ", wallet)
         const wallet2 = await solWallet.addAccount()
         console.log("wallet2, ", wallet2)
+        assert(wallet2.address === TEST_ADDRESS_2, "Added address should be " + TEST_ADDRESS_2)
+    })
+
+    it("Should get accounts", async () => {
+        const acc = await solWallet.getAccounts()
+        console.log("acc ", acc)
+        assert(acc.length === 2, "Should have 2 addresses")
+    })
+
+    it("Should get privateKey ", async () => {
+        const acc = await solWallet.getAccounts()
+        const privateKey = await solWallet.exportPrivateKey(acc[0])
+        console.log("privateKey, ", privateKey)
+        assert(privateKey.privateKey === PRIVATE_KEY_1, "Private key should be " + PRIVATE_KEY_1)
+    })
+
+    it("Should import new account ", async () => {
+        const acc = await solWallet.getAccounts()
+        const { privateKey } = await solWallet.exportPrivateKey(acc[0])
+        const account = await solWallet.importWallet(privateKey)
+        console.log("account, ", account)
+        assert(account === acc[0], "Should be the zeroth account")
+    })
+
+    it("Should get balance of the address ", async () => {
+        const acc = await solWallet.getAccounts()
+        const balance = await getBalance(acc[0], opts.network)
+        console.log("balance ", balance)
+        assert(balance.balance > 0, "Balance should be greater than 0")
+    })
+
+    it("Should sign SOL transfer transaction ", async () => {
+        assert(solWallet.address !== null)
+        const acc = await solWallet.getAccounts()
+        SOL_TXN_PARAM['from'] = acc[0]
+
+        const wallet = await solWallet.signTransaction(SOL_TXN_PARAM)
+
+        console.log("SOL Transfer signed transaction ", wallet.signedTransaction)
+    })
+
+    it("Sign message", async () => {
+        const acc = await solWallet.getAccounts()
+
+        const signedMessage1 = await solWallet.signMessage(TESTING_MESSAGE_1, acc[0])
+        console.log("Signed message 1: ", signedMessage1)
+        assert(signedMessage1.signedMessage, "Message not signed successfully")
+
+        const signedMessage2 = await solWallet.signMessage(TESTING_MESSAGE_2, acc[0])
+        console.log("Signed message 2: ", signedMessage2)
+        assert(signedMessage2.signedMessage, "Message not signed successfully")
+
+        const signedMessage3 = await solWallet.signMessage(TESTING_MESSAGE_3, acc[0])
+        console.log("Signed message 3: ", signedMessage3)
+        assert(signedMessage3.signedMessage, "Message not signed successfully")
     })
 
 })
\ No newline at end of file