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getApproved require the given token ID exist (#1256)

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* getApproved require the given token ID exist

* missing commit from merge

* clarify the test descriptions
This commit is contained in:
Bing Yi
2018-09-07 06:43:48 +08:00
committed by Nicolás Venturo
parent 661e5d86dc
commit a7ee54e199
2 changed files with 7 additions and 3 deletions
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2
contracts/token/ERC721/ERC721Basic.sol
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@ -93,10 +93,12 @@ contract ERC721Basic is ERC165, IERC721Basic {
/**
* @dev Gets the approved address for a token ID, or zero if no address set
* Reverts if the token ID does not exist.
* @param _tokenId uint256 ID of the token to query the approval of
* @return address currently approved for the given token ID
*/
function getApproved(uint256 _tokenId) public view returns (address) {
require(_exists(_tokenId));
return tokenApprovals_[_tokenId];
}

8
test/token/ERC721/ERC721MintBurn.behavior.js
View File

@ -84,15 +84,17 @@ function shouldBehaveLikeMintAndBurnERC721 (accounts) {
});
});
describe('when there is a previous approval', function () {
describe('when there is a previous approval burned', function () {
beforeEach(async function () {
await this.token.approve(accounts[1], tokenId, { from: sender });
const result = await this.token.burn(tokenId, { from: sender });
logs = result.logs;
});
it('clears the approval', async function () {
(await this.token.getApproved(tokenId)).should.be.equal(ZERO_ADDRESS);
context('getApproved', function () {
it('reverts', async function () {
await assertRevert(this.token.getApproved(tokenId));
});
});
});