1 files changed, 35 insertions, 1 deletions
diff --git a/calculator-java/src/test/java/StatementParserTest.java b/calculator-java/src/test/java/StatementParserTest.java
index 4b2e635..8c2db59 100644
--- a/calculator-java/src/test/java/StatementParserTest.java
+++ b/calculator-java/src/test/java/StatementParserTest.java
@@ -1,4 +1,3 @@
-import ch.bfh.CalculatorLexer;
 import ch.bfh.parser.StatementParser;
 import org.junit.Test;
 
@@ -86,6 +85,41 @@ public class StatementParserTest {
         assertEquals(6.75, sp.getValue(), 0.0);
     }
 
+    @Test
+    public void variableTest() {
+        sp.parseStatement("let a = 5");
+        assertEquals(5.0, sp.getValue(), 0.0);
+
+        sp.parseStatement("a");
+        assertEquals(5.0, sp.getValue(), 0.0);
+
+        sp.parseStatement("(a)");
+        assertEquals(5.0, sp.getValue(), 0.0);
+
+        sp.parseStatement("-a");
+        assertEquals(-5.0, sp.getValue(), 0.0);
+
+        sp.parseStatement("-(a)");
+        assertEquals(-5.0, sp.getValue(), 0.0);
+
+        sp.parseStatement("-(-a)");
+        assertEquals(5.0, sp.getValue(), 0.0);
+
+        sp.parseStatement("let b=5*50");
+        assertEquals(250.0, sp.getValue(), 0.0);
+
+        sp.parseStatement("b/a");
+        assertEquals(50.0, sp.getValue(), 0.0);
+
+        sp.parseStatement("b+a/2");
+        assertEquals(252.5, sp.getValue(), 0.0);
+
+        sp.parseStatement("let z = b+a/2");
+        assertEquals(252.5, sp.getValue(), 0.0);
+
+        sp.parseStatement("let a = b+a");
+        assertEquals(255.0, sp.getValue(), 0.0);
+    }
     //TODO - test error detection
 
 }