test_keywordset.c

#include <assert.h>
#include <string.h>
#include "keywordset.h"
#include <stdlib.h>
#include <stdio.h>

static void test_new(char *init, char *expect) {
    struct keywordset *kws = keywordset_new(init);
    char *s = keywordset_get(kws);
    if (strcmp(s, expect))
        fprintf(stderr, "FAIL: new from '%s' got '%s' expected '%s'\n", init, s, expect); \
    free(s);
    keywordset_free(kws);
}

static void test_update(struct keywordset *kws, char *update, char *expect) {
    char *init = keywordset_get(kws);
    keywordset_update(kws, update);
    char *s = keywordset_get(kws);
    if (strcmp(s, expect))
        fprintf(stderr, "FAIL: update '%s' with '%s' got '%s' expected '%s'\n", init, update, s, expect);
    free(s);
    free(init);
}

static void test_add(struct keywordset *kws, char *add, char *expect) {
    char *init = keywordset_get(kws);
    keywordset_add(kws, add);
    char *s = keywordset_get(kws);
    if (strcmp(s, expect))
        fprintf(stderr, "FAIL: add '%s' with '%s' got '%s' expected '%s'\n", init, add, s, expect);
    free(s);
    free(init);
}

int main() {

    test_new(NULL,                               "");
    test_new("",                                 "");
    test_new("h7 h8 h9 h1 h2 h3",                "h1 h2 h3 h7 h8 h9");
    test_new("    h7\th8 h9     h1 h2 h3   \n",  "h1 h2 h3 h7 h8 h9");

    struct keywordset *kws = keywordset_new("a b c");

    test_update(kws, "d e f",                "d e f");
    test_update(kws, "+g +h +i",             "d e f g h i");
    test_update(kws, "-e -h",                "d f g i");
    test_update(kws, "-i +x",                "d f g x");
    test_update(kws, "-x +m +n -n x y +a",   "a m y");

    test_update(kws, "-x +x", "a m x y");
    test_update(kws, "+z -z", "a m x y");

    keywordset_purge(kws);
    test_update(kws, "", "");
    keywordset_purge(kws);
    test_update(kws, "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");

    keywordset_free(kws);

    kws = keywordset_new("abcdef");
    test_update(kws, "+ab",    "ab abcdef");
    test_update(kws, "+abcdefgh",    "ab abcdef abcdefgh");
    keywordset_free(kws);

    kws = keywordset_new("x x x");
    test_add(kws, "a b c", "a b c x");
    test_add(kws, "-x +y", "+y -x a b c x");
    keywordset_free(kws);
}