tests: add StackPostfixNotationTest

vil02 · vil02 · commit ecaf8cd04852 · 2023-07-25T18:12:49.000Z
diff --git a/src/test/java/com/thealgorithms/others/StackPostfixNotationTest.java b/src/test/java/com/thealgorithms/others/StackPostfixNotationTest.java
@@ -0,0 +1,17 @@
+package com.thealgorithms.others;
+
+import static java.util.Map.entry;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.Map;
+import org.junit.jupiter.api.Test;
+
+public class StackPostfixNotationTest {
+    @Test
+    public void testGetWithNewObject() {
+        final Map<String, Integer> testCases = Map.ofEntries(entry("1 1 +", 2), entry("2 3 *", 6), entry("6 2 /", 3), entry("5 2 + 3 *", 21));
+        for (final var tc : testCases.entrySet()) {
+            assertEquals(tc.getValue(), StackPostfixNotation.postfixEvaluate(tc.getKey()));
+        }
+    }
+}
