#include "test.h"
#include <limits.h>

void
popup_layout(struct ct *t)
{
	static const struct {
		int first;
		int shown;
		int total;
		char *want;
	} markers[] = {
		{ 0, 0,  0, "" },
		{ 0, 9,  9, "" },
		{ 0, 9, 10, "1-9/10" },
		{ 9, 1, 10, "10-10/10" },
		{ 0, 9, 18, "1-9/18" },
		{ 9, 9, 18, "10-18/18" },
		{ 9, 9, 32, "10-18/32" },
		{ 18, 9, 32, "19-27/32" },
		{ 27, 5, 32, "28-32/32" },
	};
	char buf[32];
	Caret caret;
	int i, n, x, y;

	for(i = 0; i < nelem(markers); i++){
		n = pagemarker(buf, sizeof buf, markers[i].first,
			markers[i].shown, markers[i].total);
		CT_EQ_INT(t, strlen(markers[i].want), n);
		CT_CHECK(t, strcmp(markers[i].want, buf) == 0);
	}
	CT_EQ_INT(t, (1 + Maxdisp + 1) * Fontsz, Imgh);

	memset(&caret, 0, sizeof caret);
	popupposition(&caret, 40, 50, 800, 600, 100, 60, &x, &y);
	CT_EQ_INT(t, 50, x);
	CT_EQ_INT(t, 60, y);
	caret.valid = 1;
	caret.x = 70;
	caret.y = 80;
	caret.h = 20;
	popupposition(&caret, 40, 50, 800, 600, 100, 60, &x, &y);
	CT_EQ_INT(t, 70, x);
	CT_EQ_INT(t, 100, y);
	caret.x = 790;
	caret.y = 590;
	popupposition(&caret, 0, 0, 800, 600, 100, 60, &x, &y);
	CT_EQ_INT(t, 700, x);
	CT_EQ_INT(t, 530, y);

	/* Neither side fits: choose above, then clamp to the screen. */
	caret.x = 20;
	caret.y = 30;
	caret.h = 20;
	popupposition(&caret, 0, 0, 80, 80, 100, 100, &x, &y);
	CT_EQ_INT(t, 0, x);
	CT_EQ_INT(t, 0, y);

	caret.x = 70;
	caret.y = 80;
	caret.h = 0;
	popupposition(&caret, 0, 0, 800, 600, 100, 60, &x, &y);
	CT_EQ_INT(t, 70, x);
	CT_EQ_INT(t, 80, y);
	caret.h = -20;
	popupposition(&caret, 0, 0, 800, 600, 100, 60, &x, &y);
	CT_EQ_INT(t, 70, x);
	CT_EQ_INT(t, 80, y);

	caret.x = INT_MIN;
	caret.y = INT_MAX;
	caret.h = INT_MAX;
	popupposition(&caret, 0, 0, 800, 600, 100, 60, &x, &y);
	CT_EQ_INT(t, 0, x);
	CT_EQ_INT(t, 540, y);
	caret.x = INT_MAX;
	caret.y = INT_MIN;
	caret.h = INT_MIN;
	popupposition(&caret, 0, 0, INT_MAX, INT_MAX,
		INT_MAX, INT_MAX, &x, &y);
	CT_EQ_INT(t, 0, x);
	CT_EQ_INT(t, 0, y);
}