SAK-44324 a few more unit tests to better understand tan function (sa…

…kaiproject#9138)
Chitova263 · Mar 25, 2021 · dbda803 · dbda803
1 parent fbb4561
commit dbda803
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/...amigo-services/src/test/org/sakaiproject/tool/assessment/services/GradingServiceTest.java b/...amigo-services/src/test/org/sakaiproject/tool/assessment/services/GradingServiceTest.java
@@ -477,6 +477,19 @@ public void testCalculationsToValues() throws SamigoExpressionError {
         result = gradingService.processFormulaIntoValue("if(1>3, 5, 2)", 2);
         Assert.assertNotNull(result);
         Assert.assertEquals("2", result);
+
+        // tan is specified in radians by default
+        result = gradingService.processFormulaIntoValue("tan(40)", 2);
+        Assert.assertNotNull(result);
+        Assert.assertEquals("-1.12", result);
+        // use rad() to transform input from degrees before passing to tan()
+        result = gradingService.processFormulaIntoValue("tan(rad(40))", 2);
+        Assert.assertNotNull(result);
+        Assert.assertEquals("0.84", result);
+        // complex real example
+        result = gradingService.processFormulaIntoValue("1.5*((6^2*tan(rad(90-50))+4*6)*80)/27", 0);
+        Assert.assertNotNull(result);
+        Assert.assertEquals("241", result);
     }
 
     @Test(expected = SamigoExpressionError.class)