From b97788c19cfcfc5386273e96f2333546d9f076cc Mon Sep 17 00:00:00 2001
From: Piromsurang Rungserichai <piromsurang.r@ku.th>
Date: Sat, 1 Oct 2022 14:11:02 +0700
Subject: [PATCH] add pythagorean theorem and unit test

---
 src/main/scala/Mathematics/PythagoreanTheorem.scala   |  9 +++++++++
 .../scala/Mathematics/PythagoreanTheoremSpec.scala    | 11 +++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 src/main/scala/Mathematics/PythagoreanTheorem.scala
 create mode 100644 src/test/scala/Mathematics/PythagoreanTheoremSpec.scala

diff --git a/src/main/scala/Mathematics/PythagoreanTheorem.scala b/src/main/scala/Mathematics/PythagoreanTheorem.scala
new file mode 100644
index 0000000..40b1d98
--- /dev/null
+++ b/src/main/scala/Mathematics/PythagoreanTheorem.scala
@@ -0,0 +1,9 @@
+package Mathematics
+
+object PythagoreanTheorem {
+
+    /** Returns two dimension distant */
+    def distance(x: Double, y: Double): Double = {
+      Math.sqrt(Math.pow(x,2) + Math.pow(y,2)) 
+    }
+}
\ No newline at end of file
diff --git a/src/test/scala/Mathematics/PythagoreanTheoremSpec.scala b/src/test/scala/Mathematics/PythagoreanTheoremSpec.scala
new file mode 100644
index 0000000..395ddf8
--- /dev/null
+++ b/src/test/scala/Mathematics/PythagoreanTheoremSpec.scala
@@ -0,0 +1,11 @@
+package Mathematics
+
+import org.scalatest.flatspec.AnyFlatSpec
+
+class PythagoreanTheoremSpec extends AnyFlatSpec {
+
+  "Pythagorean Theorem 1" should "output the correct distant" in {
+    assert(PythagoreanTheorem.distance(3,4) === 5)
+  }
+
+}
\ No newline at end of file