Create MathTest

Author: mincong-h

junit5/src/test/java/io/mincong/junit5/MathTest.java

@@ -0,0 +1,18 @@
+package io.mincong.junit5;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+
+public class MathTest {
+  @ParameterizedTest
+  @CsvSource({
+    "1,  2, 2",
+    "1, -1, 1",
+    "1,  1, 1",
+  })
+  void testMax(int a, int b, int max) {
+    assertThat(Math.max(a, b)).isEqualTo(max);
+  }
+}