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-rw-r--r--packages/contracts/test/libraries/lib_bytes.ts31
1 files changed, 31 insertions, 0 deletions
diff --git a/packages/contracts/test/libraries/lib_bytes.ts b/packages/contracts/test/libraries/lib_bytes.ts
index de4011853..32b319e56 100644
--- a/packages/contracts/test/libraries/lib_bytes.ts
+++ b/packages/contracts/test/libraries/lib_bytes.ts
@@ -21,6 +21,7 @@ describe('LibBytes', () => {
let owner: string;
let libBytes: TestLibBytesContract;
const byteArrayShorterThan32Bytes = '0x012345';
+ const byteArrayShorterThan20Bytes = byteArrayShorterThan32Bytes;
const byteArrayLongerThan32Bytes =
'0x0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef';
const byteArrayLongerThan32BytesFirstBytesSwapped =
@@ -59,6 +60,36 @@ describe('LibBytes', () => {
await blockchainLifecycle.revertAsync();
});
+ describe('popByte', () => {
+ it('should revert if length is 0', async () => {
+ return expect(libBytes.publicPopByte.callAsync(constants.NULL_BYTES)).to.be.rejectedWith(constants.REVERT);
+ });
+
+ it('should pop the last byte from the input and return it', async () => {
+ const [newBytes, poppedByte] = await libBytes.publicPopByte.callAsync(byteArrayLongerThan32Bytes);
+ const expectedNewBytes = byteArrayLongerThan32Bytes.slice(0, -2);
+ const expectedPoppedByte = `0x${byteArrayLongerThan32Bytes.slice(-2)}`;
+ expect(newBytes).to.equal(expectedNewBytes);
+ expect(poppedByte).to.equal(expectedPoppedByte);
+ });
+ });
+
+ describe('popAddress', () => {
+ it('should revert if length is less than 20', async () => {
+ return expect(libBytes.publicPopAddress.callAsync(byteArrayShorterThan20Bytes)).to.be.rejectedWith(
+ constants.REVERT,
+ );
+ });
+
+ it('should pop the last 20 bytes from the input and return it', async () => {
+ const [newBytes, poppedAddress] = await libBytes.publicPopAddress.callAsync(byteArrayLongerThan32Bytes);
+ const expectedNewBytes = byteArrayLongerThan32Bytes.slice(0, -40);
+ const expectedPoppedAddress = `0x${byteArrayLongerThan32Bytes.slice(-40)}`;
+ expect(newBytes).to.equal(expectedNewBytes);
+ expect(poppedAddress).to.equal(expectedPoppedAddress);
+ });
+ });
+
describe('areBytesEqual', () => {
it('should return true if byte arrays are equal (both arrays < 32 bytes)', async () => {
const areBytesEqual = await libBytes.publicAreBytesEqual.callAsync(