From 744f9ff68b10b168bcceb20e550ac0b8239e7fea Mon Sep 17 00:00:00 2001 From: Victor Kareh Date: Mon, 23 Sep 2019 14:55:54 -0400 Subject: testboxes: Fix find_closest_point_to_line() test Eeeks, testing floating points for equality ... upstream commit: https://gitlab.gnome.org/GNOME/mutter/commit/0fccb0fc8 --- src/core/testboxes.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'src') diff --git a/src/core/testboxes.c b/src/core/testboxes.c index 739d8a3e..fecca881 100644 --- a/src/core/testboxes.c +++ b/src/core/testboxes.c @@ -27,6 +27,7 @@ #include #include /* Just for the definition of the various gravities */ #include /* To initialize random seed */ +#include #define NUM_RANDOM_RUNS 10000 @@ -1340,6 +1341,7 @@ test_gravity_resize (void) printf ("%s passed.\n", G_STRFUNC); } +#define EPSILON 0.000000001 static void test_find_closest_point_to_line (void) { @@ -1354,7 +1356,7 @@ test_find_closest_point_to_line (void) x2, y2, px, py, &rx, &ry); - g_assert (rx == answer_x && ry == answer_y); + g_assert (fabs (rx - answer_x) < EPSILON && fabs (ry - answer_y) < EPSILON); /* Special test for x1 == x2, so that slop of line is infinite */ x1 = 3.0; y1 = 49.0; @@ -1365,7 +1367,7 @@ test_find_closest_point_to_line (void) x2, y2, px, py, &rx, &ry); - g_assert (rx == answer_x && ry == answer_y); + g_assert (fabs (rx - answer_x) < EPSILON && fabs (ry - answer_y) < EPSILON); /* Special test for y1 == y2, so perp line has slope of infinity */ x1 = 3.14; y1 = 7.0; @@ -1376,7 +1378,7 @@ test_find_closest_point_to_line (void) x2, y2, px, py, &rx, &ry); - g_assert (rx == answer_x && ry == answer_y); + g_assert (fabs (rx - answer_x) < EPSILON && fabs (ry - answer_y) < EPSILON); /* Test when we the point we want to be closest to is actually on the line */ x1 = 3.0; y1 = 49.0; @@ -1387,7 +1389,7 @@ test_find_closest_point_to_line (void) x2, y2, px, py, &rx, &ry); - g_assert (rx == answer_x && ry == answer_y); + g_assert (fabs (rx - answer_x) < EPSILON && fabs (ry - answer_y) < EPSILON); printf ("%s passed.\n", G_STRFUNC); } -- cgit v1.2.1