aboutsummaryrefslogtreecommitdiff
path: root/calculator-java/src/test/java/ExpressionParserTest.java
diff options
context:
space:
mode:
Diffstat (limited to 'calculator-java/src/test/java/ExpressionParserTest.java')
-rw-r--r--calculator-java/src/test/java/ExpressionParserTest.java115
1 files changed, 0 insertions, 115 deletions
diff --git a/calculator-java/src/test/java/ExpressionParserTest.java b/calculator-java/src/test/java/ExpressionParserTest.java
deleted file mode 100644
index b15e844..0000000
--- a/calculator-java/src/test/java/ExpressionParserTest.java
+++ /dev/null
@@ -1,115 +0,0 @@
-import ch.bfh.CalculatorLexer;
-import ch.bfh.parser.ExpressionParser;
-import org.junit.Test;
-import static org.junit.Assert.assertEquals;
-
-public class ExpressionParserTest {
-
- // Only testing correct expressions first
- @Test
- public void emptyExpression() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(0.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void oneFactor() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("10");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(10.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void oneParenthesisedFactor() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("(10)");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(10.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void oneNegativeFactor() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("-10");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(-10.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void oneNegativeParenthesisedFactor() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("-(10)");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(-10.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void oneNegativeParenthesisedNegativeFactor() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("-(-10)");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(10.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void twoFactorSum() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("2+3");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(5.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void twoFactorSub() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("2-3");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(-1.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void twoFactorSumWithSub() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("2--3");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(5.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void twoFactorSumWithSubParenthesised() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("2-(-3)");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(5.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void twoFactorMul() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("2*3");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(6.0, ep.getValue(), 0.0);
- }
-
- @Test
- public void twoFactorDiv() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("11/4");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(2.75, ep.getValue(), 0.0);
- }
-
- @Test
- public void completeArithmeticOperationWithPriorities() {
- CalculatorLexer cl = new CalculatorLexer();
- cl.initLexer("(4+5)*3/4");
- ExpressionParser ep = new ExpressionParser(cl);
- assertEquals(6.75, ep.getValue(), 0.0);
- }
-
- //TODO - test error detection
-
-}