From 97675738f1beb38daa2f43469427851e80ced2e6 Mon Sep 17 00:00:00 2001
From: Ali Dehghani <ali.dehghani.g@gmail.com>
Date: Thu, 25 Apr 2019 19:46:44 +0430
Subject: [PATCH] Added more tests.

---
 .../parameterized/StringsUnitTest.java        | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/testing-modules/junit-5/src/test/java/com/baeldung/parameterized/StringsUnitTest.java b/testing-modules/junit-5/src/test/java/com/baeldung/parameterized/StringsUnitTest.java
index 96d0d4199a..6aea7668f1 100644
--- a/testing-modules/junit-5/src/test/java/com/baeldung/parameterized/StringsUnitTest.java
+++ b/testing-modules/junit-5/src/test/java/com/baeldung/parameterized/StringsUnitTest.java
@@ -92,6 +92,25 @@ class StringsUnitTest {
         assertTrue(Strings.isBlank(input));
     }
 
+    @ParameterizedTest
+    @EmptySource
+    void isBlank_ShouldReturnTrueForEmptyStrings(String input) {
+        assertTrue(Strings.isBlank(input));
+    }
+
+    @ParameterizedTest
+    @NullAndEmptySource
+    void isBlank_ShouldReturnTrueForNullAndEmptyStrings(String input) {
+        assertTrue(Strings.isBlank(input));
+    }
+
+    @ParameterizedTest
+    @NullAndEmptySource
+    @ValueSource(strings = {"  ", "\t", "\n"})
+    void isBlank_ShouldReturnTrueForAllTypesOfBlankStrings(String input) {
+        assertTrue(Strings.isBlank(input));
+    }
+
     private static Stream<Arguments> provideStringsForIsBlank() {
         return Stream.of(
                 Arguments.of(null, true), // null strings should be considered blank