add missing test for pda.clear()

NSSTC · Feb 8, 2024 · c546c17 · c546c17
1 parent 4609155
commit c546c17
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/src/pda/pda.test.ts b/src/pda/pda.test.ts
@@ -22,4 +22,20 @@ describe('Test PDA', () => {
         assert.equal(pda.pop(), undefined);
         assert.equal(pda.size, 0);
     });
+
+    it('clear', () => {
+        const pda = new PushDownAutomaton<State>();
+        pda.push(State1);
+        pda.push(State1);
+        pda.push(State1);
+        pda.push(State1);
+        pda.push(State1);
+
+        assert.equal(pda.size, 5);
+
+        pda.clear();
+
+        assert.equal(pda.size, 0);
+        assert.equal(pda.pop(), undefined);
+    });
 });