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69 lines
2.3 KiB
69 lines
2.3 KiB
'use strict';
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const assertJump = require('./helpers/assertJump');
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var StandardTokenMock = artifacts.require('./helpers/StandardTokenMock.sol');
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contract('StandardToken', function(accounts) {
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it('should return the correct totalSupply after construction', async function() {
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let token = await StandardTokenMock.new(accounts[0], 100);
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let totalSupply = await token.totalSupply();
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assert.equal(totalSupply, 100);
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});
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it('should return the correct allowance amount after approval', async function() {
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let token = await StandardTokenMock.new();
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await token.approve(accounts[1], 100);
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let allowance = await token.allowance(accounts[0], accounts[1]);
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assert.equal(allowance, 100);
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});
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it('should return correct balances after transfer', async function() {
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let token = await StandardTokenMock.new(accounts[0], 100);
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await token.transfer(accounts[1], 100);
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let balance0 = await token.balanceOf(accounts[0]);
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assert.equal(balance0, 0);
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let balance1 = await token.balanceOf(accounts[1]);
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assert.equal(balance1, 100);
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});
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it('should throw an error when trying to transfer more than balance', async function() {
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let token = await StandardTokenMock.new(accounts[0], 100);
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try {
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await token.transfer(accounts[1], 101);
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} catch(error) {
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return assertJump(error);
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}
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assert.fail('should have thrown before');
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});
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it('should return correct balances after transfering from another account', async function() {
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let token = await StandardTokenMock.new(accounts[0], 100);
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await token.approve(accounts[1], 100);
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await token.transferFrom(accounts[0], accounts[2], 100, {from: accounts[1]});
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let balance0 = await token.balanceOf(accounts[0]);
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assert.equal(balance0, 0);
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let balance1 = await token.balanceOf(accounts[2]);
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assert.equal(balance1, 100);
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let balance2 = await token.balanceOf(accounts[1]);
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assert.equal(balance2, 0);
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});
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it('should throw an error when trying to transfer more than allowed', async function() {
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let token = await StandardTokenMock.new();
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await token.approve(accounts[1], 99);
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try {
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await token.transferFrom(accounts[0], accounts[2], 100, {from: accounts[1]});
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} catch (error) {
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return assertJump(error);
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}
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assert.fail('should have thrown before');
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});
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});
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