42sh/tests/unit/utils/utils_tests.c

#include <criterion/criterion.h>
#include <criterion/new/assert.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>

#include "../../../src/utils/string_utils/string_utils.h"

TestSuite(string_utils);

Test(string_utils, skipblank_basic)
{
    char input[] = "  Hello World";
    char expected_str[] = "Hello World";

    char *trimmed = trim_blank_left(input);
    ssize_t offset = trimmed - input;
    ssize_t expected = 2;
    cr_expect(eq(str, trimmed, expected_str));
    cr_expect(offset == expected);
}

Test(string_utils, skipblank_noblank)
{
    char input[] = "Hello World";
    char expected_str[] = "Hello World";

    char *trimmed = trim_blank_left(input);
    ssize_t offset = trimmed - input;
    ssize_t expected = 0;
    cr_expect(eq(str, trimmed, expected_str));
    cr_expect(offset == expected);
}

Test(string_utils, skipblank_tab)
{
    char input[] = "\tHello World";
    char expected_str[] = "Hello World";

    char *trimmed = trim_blank_left(input);
    ssize_t offset = trimmed - input;
    ssize_t expected = 1;
    cr_expect(eq(str, trimmed, expected_str));
    cr_expect(offset == expected);
}

Test(string_utils, skipblank_space_tab)
{
    char input[] = " \tHello World";
    char expected_str[] = "Hello World";

    char *trimmed = trim_blank_left(input);
    ssize_t offset = trimmed - input;
    ssize_t expected = 2;
    cr_expect(eq(str, trimmed, expected_str));
    cr_expect(offset == expected);
}

Test(string_utils, skipblank_2tab_1space)
{
    char input[] = "\t \tHello World";
    char expected_str[] = "Hello World";

    char *trimmed = trim_blank_left(input);
    ssize_t offset = trimmed - input;
    ssize_t expected = 3;
    cr_expect(eq(str, trimmed, expected_str));
    cr_expect(offset == expected);
}

Test(string_utils, skipblank_a_lot)
{
    char input[] = "\t   \t  \tHello World";
    char expected_str[] = "Hello World";

    char *trimmed = trim_blank_left(input);
    ssize_t offset = trimmed - input;
    ssize_t expected = 8;
    cr_expect(eq(str, trimmed, expected_str));
    cr_expect(offset == expected);
}

Test(string_utils, skipblank_newline)
{
    char input[] = "\nHello World";
    char expected_str[] = "\nHello World";

    char *trimmed = trim_blank_left(input);
    ssize_t offset = trimmed - input;
    ssize_t expected = 0;
    cr_expect(eq(str, trimmed, expected_str));
    cr_expect(offset == expected);
}

Test(string_utils, skipblank_nul)
{
    char *input = NULL;

    char *trimmed = trim_blank_left(input);
    ssize_t offset = trimmed - input;
    ssize_t expected = 0;
    cr_expect(input == NULL);
    cr_expect(offset == expected);
}