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Add more slice tests

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This commit is contained in:
Amir Bandeali 2019-02-25 10:12:59 -08:00
parent c1cee8e951
commit 8279ef0e05
2 changed files with 28 additions and 10 deletions
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8
contracts/utils/contracts/test/TestLibBytes.sol
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@ -279,10 +279,10 @@ contract TestLibBytes {
)
public
pure
returns (bytes memory result)
returns (bytes memory result, bytes memory original)
{
result = LibBytes.slice(b, from, to);
return result;
return (result, b);
}
/// @dev Returns a slice from a byte array without preserving the input.
@ -298,9 +298,9 @@ contract TestLibBytes {
)
public
pure
returns (bytes memory result)
returns (bytes memory result, bytes memory original)
{
result = LibBytes.sliceDestructive(b, from, to);
return result;
return (result, b);
}
}

30
contracts/utils/test/lib_bytes.ts
View File

@ -883,7 +883,16 @@ describe('LibBytes', () => {
it('should return a byte array of length 0 if from == to', async () => {
const from = new BigNumber(0);
const to = from;
const result = await libBytes.publicSlice.callAsync(byteArrayLongerThan32Bytes, from, to);
const [result, original] = await libBytes.publicSlice.callAsync(byteArrayLongerThan32Bytes, from, to);
expect(original).to.eq(byteArrayLongerThan32Bytes);
expect(result).to.eq(constants.NULL_BYTES);
});
it('should return a byte array of length 0 if from == to == b.length', async () => {
const byteLen = (byteArrayLongerThan32Bytes.length - 2) / 2;
const from = new BigNumber(byteLen);
const to = from;
const [result, original] = await libBytes.publicSlice.callAsync(byteArrayLongerThan32Bytes, from, to);
expect(original).to.eq(byteArrayLongerThan32Bytes);
expect(result).to.eq(constants.NULL_BYTES);
});
it('should revert if to > input.length', async () => {
@ -898,15 +907,17 @@ describe('LibBytes', () => {
it('should slice a section of the input', async () => {
const from = new BigNumber(1);
const to = new BigNumber(2);
const result = await libBytes.publicSlice.callAsync(byteArrayLongerThan32Bytes, from, to);
const [result, original] = await libBytes.publicSlice.callAsync(byteArrayLongerThan32Bytes, from, to);
const expectedResult = `0x${byteArrayLongerThan32Bytes.slice(4, 6)}`;
expect(original).to.eq(byteArrayLongerThan32Bytes);
expect(result).to.eq(expectedResult);
});
it('should copy the entire input if from = 0 and to = input.length', async () => {
const byteLen = (byteArrayLongerThan32Bytes.length - 2) / 2;
const from = new BigNumber(0);
const to = new BigNumber(byteLen);
const result = await libBytes.publicSlice.callAsync(byteArrayLongerThan32Bytes, from, to);
const [result, original] = await libBytes.publicSlice.callAsync(byteArrayLongerThan32Bytes, from, to);
expect(original).to.eq(byteArrayLongerThan32Bytes);
expect(result).to.eq(byteArrayLongerThan32Bytes);
});
});
@ -923,7 +934,14 @@ describe('LibBytes', () => {
it('should return a byte array of length 0 if from == to', async () => {
const from = new BigNumber(0);
const to = from;
const result = await libBytes.publicSliceDestructive.callAsync(byteArrayLongerThan32Bytes, from, to);
const [result] = await libBytes.publicSliceDestructive.callAsync(byteArrayLongerThan32Bytes, from, to);
expect(result).to.eq(constants.NULL_BYTES);
});
it('should return a byte array of length 0 if from == to == b.length', async () => {
const byteLen = (byteArrayLongerThan32Bytes.length - 2) / 2;
const from = new BigNumber(byteLen);
const to = from;
const [result] = await libBytes.publicSliceDestructive.callAsync(byteArrayLongerThan32Bytes, from, to);
expect(result).to.eq(constants.NULL_BYTES);
});
it('should revert if to > input.length', async () => {
@ -938,7 +956,7 @@ describe('LibBytes', () => {
it('should slice a section of the input', async () => {
const from = new BigNumber(1);
const to = new BigNumber(2);
const result = await libBytes.publicSliceDestructive.callAsync(byteArrayLongerThan32Bytes, from, to);
const [result] = await libBytes.publicSliceDestructive.callAsync(byteArrayLongerThan32Bytes, from, to);
const expectedResult = `0x${byteArrayLongerThan32Bytes.slice(4, 6)}`;
expect(result).to.eq(expectedResult);
});
@ -946,7 +964,7 @@ describe('LibBytes', () => {
const byteLen = (byteArrayLongerThan32Bytes.length - 2) / 2;
const from = new BigNumber(0);
const to = new BigNumber(byteLen);
const result = await libBytes.publicSliceDestructive.callAsync(byteArrayLongerThan32Bytes, from, to);
const [result] = await libBytes.publicSliceDestructive.callAsync(byteArrayLongerThan32Bytes, from, to);
expect(result).to.eq(byteArrayLongerThan32Bytes);
});
});