improve coverage

OpenZeppelin · Feb 12, 2021 · 0604e82 · 0604e82
1 parent d963cf8
commit 0604e82
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/test/introspection/ERC165.test.js b/test/introspection/ERC165.test.js
@@ -9,6 +9,12 @@ contract('ERC165', function (accounts) {
     this.mock = await ERC165Mock.new();
   });
 
+  it('register interface', async function () {
+    expect(await this.mock.supportsInterface('0x00000001')).to.be.equal(false);
+    await this.mock.registerInterface('0x00000001');
+    expect(await this.mock.supportsInterface('0x00000001')).to.be.equal(true);
+  });
+
   it('does not allow 0xffffffff', async function () {
     await expectRevert(this.mock.registerInterface('0xffffffff'), 'ERC165: invalid interface id');
   });