diff options
| -rw-r--r-- | core/text.c | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/core/text.c b/core/text.c index 8145394..51225dc 100644 --- a/core/text.c +++ b/core/text.c @@ -20,11 +20,42 @@ static bool isempty(Text *txt) { return text_size(txt) == 0; } +static bool compare_iterator_forward(Iterator *it, const char *data) { + char buf[BUFSIZ] = "", b; + while (text_iterator_byte_get(it, &b)) { + buf[it->pos] = b; + text_iterator_byte_next(it, NULL); + } + return strcmp(data, buf) == 0; +} + +static bool compare_iterator_backward(Iterator *it, const char *data) { + char buf[BUFSIZ] = "", b; + while (text_iterator_byte_get(it, &b)) { + buf[it->pos] = b; + text_iterator_byte_prev(it, NULL); + } + return strcmp(data, buf) == 0; +} + +static bool compare_iterator_both(Text *txt, const char *data) { + Iterator it = text_iterator_get(txt, 0); + bool forward = compare_iterator_forward(&it, data); + text_iterator_byte_prev(&it, NULL); + bool forward_backward = compare_iterator_backward(&it, data); + it = text_iterator_get(txt, text_size(txt)); + bool backward = compare_iterator_backward(&it, data); + text_iterator_byte_next(&it, NULL); + bool backward_forward = compare_iterator_forward(&it, data); + return forward && backward && forward_backward && backward_forward; +} + static bool compare(Text *txt, const char *data) { char buf[BUFSIZ]; size_t len = text_bytes_get(txt, 0, sizeof(buf)-1, buf); buf[len] = '\0'; - return len == strlen(data) && strcmp(buf, data) == 0; + return len == strlen(data) && strcmp(buf, data) == 0 && + compare_iterator_both(txt, data); } int main(int argc, char *argv[]) { @@ -45,6 +76,31 @@ int main(int argc, char *argv[]) { txt = text_load(NULL); ok(txt != NULL && isempty(txt), "Opening empty file"); + Iterator it = text_iterator_get(txt, 0); + ok(text_iterator_valid(&it) && it.pos == 0, "Iterator on empty file"); + char b = '_'; + ok(text_iterator_byte_get(&it, &b) && b == '\0', "Read EOF from iterator of empty file"); + b = '_'; + ok(!text_iterator_byte_prev(&it, &b) && b == '_' && + !text_iterator_valid(&it), "Moving iterator beyond start of file"); + ok(!text_iterator_byte_get(&it, &b) && b == '_' && + !text_iterator_valid(&it), "Access iterator beyond start of file"); + ok(text_iterator_byte_next(&it, &b) && b == '\0' && + text_iterator_valid(&it), "Moving iterator back from beyond start of file"); + b = '_'; + ok(text_iterator_byte_get(&it, &b) && b == '\0' && + text_iterator_valid(&it), "Accessing iterator after moving back from beyond start of file"); + b = '_'; + ok(!text_iterator_byte_next(&it, &b) && b == '_' && + !text_iterator_valid(&it), "Moving iterator beyond end of file"); + ok(!text_iterator_byte_get(&it, &b) && b == '_' && + !text_iterator_valid(&it), "Accessing iterator beyond end of file"); + ok(text_iterator_byte_prev(&it, &b) && b == '\0' && + text_iterator_valid(&it), "Moving iterator back from beyond end of file"); + b = '_'; + ok(text_iterator_byte_get(&it, &b) && b == '\0' && + text_iterator_valid(&it), "Accessing iterator after moving back from beyond start of file"); + ok(insert(txt, 1, "") && isempty(txt), "Inserting empty data"); ok(!insert(txt, 1, " ") && isempty(txt), "Inserting with invalid offset"); |