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#include "term_api.h"
#include <assert.h>
#include <stdbool.h>
#include <string.h>
/* A feed that returns false must not move the cursor or change a cell. */
static void expect_unchanged(struct term *t, int x, int y, uint32_t cp)
{
assert(tt_cursor_x(t) == x);
assert(tt_cursor_y(t) == y);
assert(tt_cell(t, 0, 0)->text == cp);
}
static void test_feed_unknown_flag(void)
{
struct term *t = tt_new(10, 3);
assert(t);
assert(term_feed(t, "abc", 3, 0));
expect_unchanged(t, 3, 0, 'a');
assert(!term_feed(t, "xy", 2, 1u << 1));
expect_unchanged(t, 3, 0, 'a');
assert(!term_feed(t, "xy", 2, TERM_FEED_ONLCR | (1u << 4)));
expect_unchanged(t, 3, 0, 'a');
assert(!term_feed(t, "xy", 2, 1u << 31));
expect_unchanged(t, 3, 0, 'a');
/* Unknown bits are rejected even when there are no bytes. */
assert(!term_feed(t, "", 0, 1u << 1));
assert(term_feed(t, "\nz", 2, TERM_FEED_ONLCR));
assert(tt_cursor_x(t) == 1);
assert(tt_cursor_y(t) == 1);
term_free(t);
}
static void test_feed_null_buffer(void)
{
struct term *t = tt_new(10, 3);
assert(t);
assert(term_feed(t, "abc", 3, 0));
assert(!term_feed(t, NULL, 1, 0));
expect_unchanged(t, 3, 0, 'a');
assert(!term_feed(t, NULL, 4096, TERM_FEED_ONLCR));
expect_unchanged(t, 3, 0, 'a');
/* A zero length is a no-op, so a NULL buffer is fine. */
assert(term_feed(t, NULL, 0, 0));
assert(term_feed(t, "", 0, TERM_FEED_ONLCR));
expect_unchanged(t, 3, 0, 'a');
assert(!term_feed(NULL, "a", 1, 0));
assert(!term_feed(NULL, NULL, 0, 0));
term_free(t);
}
static void test_new_rejects_bad_options(void)
{
struct term_options opt;
memset(&opt, 0, sizeof(opt));
opt.size.x = -1;
assert(!term_new(&opt));
memset(&opt, 0, sizeof(opt));
opt.size.y = -1;
assert(!term_new(&opt));
memset(&opt, 0, sizeof(opt));
opt.size.x = TERM_MAX_COLS + 1;
assert(!term_new(&opt));
memset(&opt, 0, sizeof(opt));
opt.scrollback = -1;
assert(!term_new(&opt));
memset(&opt, 0, sizeof(opt));
opt.scrollback = TERM_SCROLLBACK_MAX + 1;
assert(!term_new(&opt));
memset(&opt, 0, sizeof(opt));
opt.scrollback = TERM_SCROLLBACK_MAX;
struct term *max = term_new(&opt);
assert(max);
term_free(max);
memset(&opt, 0, sizeof(opt));
opt.cursor_style = (enum term_cursor_style)3;
assert(!term_new(&opt));
memset(&opt, 0, sizeof(opt));
opt.cursor_style = (enum term_cursor_style)-1;
assert(!term_new(&opt));
}
static void test_new_accepts_defaults(void)
{
struct term_options opt;
memset(&opt, 0, sizeof(opt));
struct term *t = term_new(&opt);
assert(t);
assert(tt_cols(t) == 80);
assert(tt_rows(t) == 24);
assert(term_cursor(t).style == TERM_CURSOR_BLOCK);
term_free(t);
memset(&opt, 0, sizeof(opt));
opt.size.x = TERM_MAX_COLS;
opt.size.y = 1;
opt.cursor_style = TERM_CURSOR_BAR;
t = term_new(&opt);
assert(t);
assert(tt_cols(t) == TERM_MAX_COLS);
assert(tt_rows(t) == 1);
assert(term_cursor(t).style == TERM_CURSOR_BAR);
term_free(t);
}
static void test_resize_rejects_too_wide(void)
{
struct term *t = tt_new(10, 3);
assert(t);
assert(term_feed(t, "abc", 3, 0));
assert(!tt_resize(t, TERM_MAX_COLS + 1, 3));
assert(tt_cols(t) == 10);
assert(tt_rows(t) == 3);
expect_unchanged(t, 3, 0, 'a');
assert(!tt_resize(t, 10, 0));
assert(!tt_resize(t, 0, 3));
assert(tt_cols(t) == 10);
assert(tt_rows(t) == 3);
assert(tt_resize(t, TERM_MAX_COLS, 3));
assert(tt_cols(t) == TERM_MAX_COLS);
assert(tt_rows(t) == 3);
term_free(t);
}
int main(void)
{
test_feed_unknown_flag();
test_feed_null_buffer();
test_new_rejects_bad_options();
test_new_accepts_defaults();
test_resize_rejects_too_wide();
return 0;
}
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