From df30c2986f9eb417304da57228ba4b66c64217c7 Mon Sep 17 00:00:00 2001
From: Bogdan Pistol <pistol.bogdan17@gmail.com>
Date: Thu, 15 Dec 2022 06:03:07 +0200
Subject: [PATCH] https://jira.baeldung.com/browse/BAEL-5871 added sample code
 used in article (#12986)

---
 .../ConvertCharToIntUnitTest.java             | 47 +++++++++++++++++++
 .../ConvertIntToCharUnitTest.java             | 36 ++++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 core-java-modules/core-java-lang-5/src/test/java/com/baeldung/convertinttochar/ConvertCharToIntUnitTest.java
 create mode 100644 core-java-modules/core-java-lang-5/src/test/java/com/baeldung/convertinttochar/ConvertIntToCharUnitTest.java

diff --git a/core-java-modules/core-java-lang-5/src/test/java/com/baeldung/convertinttochar/ConvertCharToIntUnitTest.java b/core-java-modules/core-java-lang-5/src/test/java/com/baeldung/convertinttochar/ConvertCharToIntUnitTest.java
new file mode 100644
index 0000000000..75826cd7be
--- /dev/null
+++ b/core-java-modules/core-java-lang-5/src/test/java/com/baeldung/convertinttochar/ConvertCharToIntUnitTest.java
@@ -0,0 +1,47 @@
+package com.baeldung.convertinttochar;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+public class ConvertCharToIntUnitTest {
+
+    @Test
+    public void givenAChar_whenUsingGetNumericValue_thenExpectedNumericType() {
+        //char value
+        char c = '7';
+        // using getNumericValue
+        int n = Character.getNumericValue(c);
+
+        assertEquals(7, n);
+    }
+
+    @Test
+    public void givenAChar_whenSubtracting0_thenExpectedNumericType() {
+        //char value
+        char c = '7';
+        // subtract '0' from the char
+        int n = c - '0';
+
+        assertEquals(7, n);
+    }
+
+    @Test
+    public void givenAChar_whenUsingParseInt_thenExpectedNumericType() {
+        //char value
+        char c = '7';
+        // using parseInt
+        int n = Integer.parseInt(String.valueOf(c));
+
+        assertEquals(7, n);
+    }
+
+    @Test
+    public void givenAChar_whenCastingFromCharToInt_thenExpectedUnicodeRepresentation() {
+        //char value
+        char c = '7';
+        //cast to int
+        assertEquals(55, (int) c);
+    }
+
+}
diff --git a/core-java-modules/core-java-lang-5/src/test/java/com/baeldung/convertinttochar/ConvertIntToCharUnitTest.java b/core-java-modules/core-java-lang-5/src/test/java/com/baeldung/convertinttochar/ConvertIntToCharUnitTest.java
new file mode 100644
index 0000000000..276bcbc55b
--- /dev/null
+++ b/core-java-modules/core-java-lang-5/src/test/java/com/baeldung/convertinttochar/ConvertIntToCharUnitTest.java
@@ -0,0 +1,36 @@
+package com.baeldung.convertinttochar;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+public class ConvertIntToCharUnitTest {
+
+    @Test
+    public void givenAnInt_whenAdding0_thenExpectedCharType() {
+        int num = 7;
+        //add '0' to convert int to char
+        char c = (char) ('0' + num);
+
+        assertEquals('7', c);
+    }
+
+    @Test
+    public void givenAnInt_whenUsingForDigit_thenExpectedCharType() {
+        int num = 7;
+        // Convert using forDigit() method
+        char c = Character.forDigit(num, 10);
+
+        assertEquals('7', c);
+    }
+
+    @Test
+    public void givenAnInt_whenUsingToString_thenExpectedCharType() {
+        int num = 7;
+        //convert int to char using toString()
+        char c = Integer.toString(num)
+          .charAt(0);
+
+        assertEquals('7', c);
+    }
+}