Crypto-BEP20-DevToken_Test_Transfer

    it("transfering tokens", async() => {
        devToken = await DevToken.deployed();

        // Grab initial balance
        let initial_balance = await devToken.balanceOf(accounts[1]);

        // transfer tokens from account 0 to 1 
        await devToken.transfer(accounts[1], 100);
        
        let after_balance = await devToken.balanceOf(accounts[1]);

        assert.equal(after_balance.toNumber(), initial_balance.toNumber()+100, "Balance should have increased on reciever")
    
        // We can change the msg.sender using the FROM value in function calls.
        let account2_initial_balance = await devToken.balanceOf(accounts[2]);

        await devToken.transfer(accounts[2], 20, { from: accounts[1]});
        // Make sure balances are switched on both accounts
        let account2_after_balance = await devToken.balanceOf(accounts[2]);
        let account1_after_balance = await devToken.balanceOf(accounts[1]);

        assert.equal(account1_after_balance.toNumber(), after_balance.toNumber()-20, "Should have reduced account 1 balance by 20");
        assert.equal(account2_after_balance.toNumber(), account2_initial_balance.toNumber()+20, "Should have givne accounts 2 20 tokens");
    

        // Try transfering too much
        try {
            await devToken.transfer(accounts[2], 2000000000000, { from:accounts[1]});
        }catch(error){
            assert.equal(error.reason, "DevToken: cant transfer more than your account holds");
        }
       
    })