algorithm/Java
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/Java.git synced 2025-07-27 22:43:30 +08:00
Code Issues Packages Projects Releases Wiki Activity

refactor: atoi (#5324)

Browse Source
This commit is contained in:
Alex Klymenko
2024-08-15 10:43:47 +02:00
committed by GitHub
parent 134b42c7ff
commit 046f5a4728
2 changed files with 68 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
src/test/java/com/thealgorithms/strings/MyAtoiTest.java
View File

@ -3,41 +3,41 @@ package com.thealgorithms.strings;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;
public class MyAtoiTest {
@Test
void testOne() {
assertEquals(42, MyAtoi.myAtoi("42"));
@ParameterizedTest
@CsvSource({"'42', 42", "' -42', -42", "'4193 with words', 4193", "'words and 987', 0", "'-91283472332', -2147483648", "'21474836460', 2147483647", "' +123', 123", "'', 0", "' ', 0", "'-2147483648', -2147483648", "'+2147483647', 2147483647", "' -0012a42', -12",
"'9223372036854775808', 2147483647", "'-9223372036854775809', -2147483648", "'3.14159', 3", "' -0012', -12", "' 0000000000012345678', 12345678", "' -0000000000012345678', -12345678", "' +0000000000012345678', 12345678", "'0', 0", "'+0', 0", "'-0', 0"})
void
testMyAtoi(String input, int expected) {
assertEquals(expected, MyAtoi.myAtoi(input));
}
@Test
void testTwo() {
assertEquals(-42, MyAtoi.myAtoi(" -42"));
void testNullInput() {
assertEquals(0, MyAtoi.myAtoi(null));
}
@Test
void testThree() {
assertEquals(4193, MyAtoi.myAtoi("4193 with words"));
void testSinglePlus() {
assertEquals(0, MyAtoi.myAtoi("+"));
}
@Test
void testFour() {
assertEquals(0, MyAtoi.myAtoi("0"));
void testSingleMinus() {
assertEquals(0, MyAtoi.myAtoi("-"));
}
@Test
void testFive() {
assertEquals(5678, MyAtoi.myAtoi("5678"));
void testIntegerMinBoundary() {
assertEquals(Integer.MIN_VALUE, MyAtoi.myAtoi("-2147483648"));
}
@Test
void testSix() {
assertEquals(42, MyAtoi.myAtoi("+42"));
}
@Test
void testSeven() {
assertEquals(0, MyAtoi.myAtoi(" +0 "));
void testIntegerMaxBoundary() {
assertEquals(Integer.MAX_VALUE, MyAtoi.myAtoi("2147483647"));
}
}