@0x/contracts-staking: Add another LibFixedMath.add() test.

2019-10-10 09:31:53 +09:00
parent 063d6ff24e
commit 22fc0b4337
2 changed files with 15 additions and 0 deletions
--- a/contracts/staking/test/unit_tests/lib_fixed_math_test.ts
+++ b/contracts/staking/test/unit_tests/lib_fixed_math_test.ts
@@ -291,6 +291,12 @@ blockchainTests('LibFixedMath unit tests', env => {
            const r = await testContract.add.callAsync(a, b);
            expect(r).to.bignumber.eq(-1);
        });
+
+        it('MAX_FIXED + (MIN_FIXED + int(1)) == 0', async () => {
+            const [a, b] = [MAX_FIXED_VALUE, MIN_FIXED_VALUE.plus(1)];
+            const r = await testContract.add.callAsync(a, b);
+            expect(r).to.bignumber.eq(0);
+        });
    });

    describe('sub()', () => {