package com.thealgorithms.strings; import static org.junit.jupiter.api.Assertions.assertEquals; import org.junit.jupiter.params.ParameterizedTest; import org.junit.jupiter.params.provider.CsvSource; class CharactersSameTest { @ParameterizedTest @CsvSource({"aaa, true", "abc, false", "'1 1 1 1', false", "111, true", "'', true", "' ', true", "'. ', false", "'a', true", "' ', true", "'ab', false", "'11111', true", "'ababab', false", "' ', true", "'+++', true"}) void testIsAllCharactersSame(String input, boolean expected) { assertEquals(CharactersSame.isAllCharactersSame(input), expected); } }