Ans variable

calculatorpp-core/src/test/java/org/solovyev/android/calculator/CalculatorImplTest.java

@@ -0,0 +1,33 @@
+package org.solovyev.android.calculator;
+
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * User: Solovyev_S
+ * Date: 15.10.12
+ * Time: 12:30
+ */
+public class CalculatorImplTest extends AbstractCalculatorTest {
+
+    @Before
+    public void setUp() throws Exception {
+        super.setUp();
+    }
+
+    @Test
+    public void testAnsVariable() throws Exception {
+        CalculatorTestUtils.assertError("ans");
+        CalculatorTestUtils.assertError("ans");
+        CalculatorTestUtils.assertEval("2", "2");
+        CalculatorTestUtils.assertEval("2", "ans");
+        CalculatorTestUtils.assertEval("4", "ans^2");
+        CalculatorTestUtils.assertEval("16", "ans^2");
+        CalculatorTestUtils.assertEval("0", "0");
+        CalculatorTestUtils.assertEval("0", "ans");
+        CalculatorTestUtils.assertEval("3", "3");
+        CalculatorTestUtils.assertEval("9", "ans*ans");
+        CalculatorTestUtils.assertError("ans*an");
+        CalculatorTestUtils.assertEval("81", "ans*ans");
+    }
+}