amend incorrect stddev test description and add addition test for sin…

…gleton list as per spec example (#655)
dmn-tck · Apr 18, 2024 · adc6351 · adc6351
1 parent 39af3b6
commit adc6351
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Showing 2 changed files with 23 additions and 4 deletions.
diff --git a/TestCases/compliance-level-3/0063-feel-stddev-function/0063-feel-stddev-function-test-01.xml b/TestCases/compliance-level-3/0063-feel-stddev-function/0063-feel-stddev-function-test-01.xml
@@ -96,6 +96,15 @@
         </resultNode>
     </testCase>
 
+    <testCase id="008_a">
+        <description>will error when a list with a single item.</description>
+        <resultNode errorResult="true" name="decision008_a" type="decision">
+            <expected>
+                <value xsi:nil="true"/>
+            </expected>
+        </resultNode>
+    </testCase>
+
     <testCase id="009">
         <description>will return stddev for varargs list</description>
         <resultNode name="decision009" type="decision">

diff --git a/TestCases/compliance-level-3/0063-feel-stddev-function/0063-feel-stddev-function.dmn b/TestCases/compliance-level-3/0063-feel-stddev-function/0063-feel-stddev-function.dmn
@@ -87,12 +87,22 @@
     </decision>
 
     <decision name="decision008" id="_decision008">
-        <description>Tests FEEL expression: 'stddev(4)' and expects result: '4 (number)'</description>
-        <question>Result of FEEL expression 'stddev(4)'?</question>
-        <allowedAnswers>4 (number)</allowedAnswers>
+        <description>Tests FEEL expression: 'stddev(47)' and expects result: 'null (number)'</description>
+        <question>Result of FEEL expression 'stddev(47)'?</question>
+        <allowedAnswers>null (number)</allowedAnswers>
         <variable typeRef="number" name="decision008"/>
         <literalExpression>
-            <text>stddev(4)</text>
+            <text>stddev(47)</text>
+        </literalExpression>
+    </decision>
+
+    <decision name="decision008_a" id="_decision008_a">
+        <description>Tests FEEL expression: 'stddev([47])' and expects result: 'null (number)'</description>
+        <question>Result of FEEL expression 'stddev([47])'?</question>
+        <allowedAnswers>null (number)</allowedAnswers>
+        <variable typeRef="number" name="decision008_a"/>
+        <literalExpression>
+            <text>stddev([47])</text>
         </literalExpression>
     </decision>