diff options
| -rw-r--r-- | packages/contracts/test/libraries/lib_bytes.ts | 100 |
1 files changed, 91 insertions, 9 deletions
diff --git a/packages/contracts/test/libraries/lib_bytes.ts b/packages/contracts/test/libraries/lib_bytes.ts index a6e3c7d37..cd5fdcf17 100644 --- a/packages/contracts/test/libraries/lib_bytes.ts +++ b/packages/contracts/test/libraries/lib_bytes.ts @@ -409,14 +409,96 @@ describe('LibBytes', () => { }); }); - /// @TODO Implement test cases for writeUint256. Test template below. - /// Currently, the generated contract wrappers do not support this library's write methods. - /* - describe('writeBytes', () => { - it('should successfully write bytes when it takes up the whole array)', async () => {}); - it('should successfully write bytes when it is offset in the array)', async () => {}); - it('should fail if the byte array is too short to hold the nested bytes)', async () => {}); - it('should fail if the length between the offset and end of the byte array is too short to hold the nested bytes)', async () => {}); + describe.only('writeBytes', () => { + it('should successfully write short, nested array of bytes when it takes up the whole array)', async () => { + const testBytesOffset = new BigNumber(0); + const emptyByteArray = ethUtil.bufferToHex(new Buffer(shortTestBytesAsBuffer.byteLength)); + const bytesWritten = await libBytes.publicWriteBytes.callAsync(emptyByteArray, testBytesOffset, shortData); + const bytesRead = await libBytes.publicReadBytes.callAsync(bytesWritten, testBytesOffset); + return expect(bytesRead).to.be.equal(shortData); + }); + + it('should successfully write short, nested array of bytes when it is offset in the array', async () => { + // Write a prefix to the array + const prefixData = '0xabcdef'; + const prefixDataAsBuffer = ethUtil.toBuffer(prefixData); + const prefixOffset = new BigNumber(0); + const emptyByteArray = ethUtil.bufferToHex( + new Buffer(prefixDataAsBuffer.byteLength + shortTestBytesAsBuffer.byteLength), + ); + let bytesWritten = await libBytes.publicWriteBytes.callAsync(emptyByteArray, prefixOffset, prefixData); + // Write data after prefix + const testBytesOffset = new BigNumber(prefixDataAsBuffer.byteLength); + bytesWritten = await libBytes.publicWriteBytes.callAsync(bytesWritten, testBytesOffset, shortData); + // Read data after prefix and validate + const bytes = await libBytes.publicReadBytes.callAsync(bytesWritten, testBytesOffset); + return expect(bytes).to.be.equal(shortData); + }); + + it('should successfully write a nested array of bytes - one word in length - when it takes up the whole array)', async () => { + const testBytesOffset = new BigNumber(0); + const emptyByteArray = ethUtil.bufferToHex(new Buffer(wordOfTestBytesAsBuffer.byteLength)); + const bytesWritten = await libBytes.publicWriteBytes.callAsync(emptyByteArray, testBytesOffset, wordOfData); + const bytesRead = await libBytes.publicReadBytes.callAsync(bytesWritten, testBytesOffset); + return expect(bytesRead).to.be.equal(wordOfData); + }); + + it('should successfully write a nested array of bytes - one word in length - when it is offset in the array', async () => { + // Write a prefix to the array + const prefixData = '0xabcdef'; + const prefixDataAsBuffer = ethUtil.toBuffer(prefixData); + const prefixOffset = new BigNumber(0); + const emptyByteArray = ethUtil.bufferToHex( + new Buffer(prefixDataAsBuffer.byteLength + wordOfTestBytesAsBuffer.byteLength), + ); + let bytesWritten = await libBytes.publicWriteBytes.callAsync(emptyByteArray, prefixOffset, prefixData); + // Write data after prefix + const testBytesOffset = new BigNumber(prefixDataAsBuffer.byteLength); + bytesWritten = await libBytes.publicWriteBytes.callAsync(bytesWritten, testBytesOffset, wordOfData); + // Read data after prefix and validate + const bytes = await libBytes.publicReadBytes.callAsync(bytesWritten, testBytesOffset); + return expect(bytes).to.be.equal(wordOfData); + }); + + it('should successfully write a long, nested bytes when it takes up the whole array)', async () => { + const testBytesOffset = new BigNumber(0); + const emptyByteArray = ethUtil.bufferToHex(new Buffer(longTestBytesAsBuffer.byteLength)); + const bytesWritten = await libBytes.publicWriteBytes.callAsync(emptyByteArray, testBytesOffset, longData); + const bytesRead = await libBytes.publicReadBytes.callAsync(bytesWritten, testBytesOffset); + return expect(bytesRead).to.be.equal(longData); + }); + + it('should successfully write long, nested array of bytes when it is offset in the array', async () => { + // Write a prefix to the array + const prefixData = '0xabcdef'; + const prefixDataAsBuffer = ethUtil.toBuffer(prefixData); + const prefixOffset = new BigNumber(0); + const emptyByteArray = ethUtil.bufferToHex( + new Buffer(prefixDataAsBuffer.byteLength + longTestBytesAsBuffer.byteLength), + ); + let bytesWritten = await libBytes.publicWriteBytes.callAsync(emptyByteArray, prefixOffset, prefixData); + // Write data after prefix + const testBytesOffset = new BigNumber(prefixDataAsBuffer.byteLength); + bytesWritten = await libBytes.publicWriteBytes.callAsync(bytesWritten, testBytesOffset, longData); + // Read data after prefix and validate + const bytes = await libBytes.publicReadBytes.callAsync(bytesWritten, testBytesOffset); + return expect(bytes).to.be.equal(longData); + }); + + it('should fail if the byte array is too short to hold the length of a nested byte array)', async () => { + const offset = new BigNumber(0); + const emptyByteArray = ethUtil.bufferToHex(new Buffer(1)); + return expect(libBytes.publicWriteBytes.callAsync(emptyByteArray, offset, longData)).to.be.rejectedWith( + constants.REVERT, + ); + }); + + it('should fail if the length between the offset and end of the byte array is too short to hold the length of a nested byte array)', async () => { + const emptyByteArray = ethUtil.bufferToHex(new Buffer(shortTestBytesAsBuffer.byteLength)); + const badOffset = new BigNumber(ethUtil.toBuffer(shortTestBytesAsBuffer).byteLength); + return expect(libBytes.publicWriteBytes.callAsync(emptyByteArray, badOffset, shortData)).to.be.rejectedWith( + constants.REVERT, + ); + }); }); - */ }); |