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test-gravity.c: Accept different roundings 

Some window gravities require a division by two. Up to now,
test-gravity.c expected this division to always be rounded up. This
commit changes the code to also allow rounding down.

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2018-08-17 11:48:49 +02:00
parent 21b7b29630
commit a996b21ee2
1 changed files with 21 additions and 12 deletions
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33
tests/test-gravity.c
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@ -244,6 +244,14 @@ static const char *state_to_string(enum test_state state)
}
}
static int32_t div2(int32_t value, int32_t *rounding)
{
/* If value is odd, we could round up or down */
if (value & 1)
*rounding = 1;
return value / 2;
}
static void check_geometry(int32_t expected_x, int32_t expected_y, uint32_t expected_width, uint32_t expected_height)
{
int32_t actual_x, actual_y;
@ -252,6 +260,7 @@ static void check_geometry(int32_t expected_x, int32_t expected_y, uint32_t expe
&left, &right, &top, &bottom);
int32_t offset_x, offset_y;
int32_t extra_x = 0, extra_y = 0;
int32_t diff_x = state_difference[window_state.state][0], diff_y = state_difference[window_state.state][1];
switch (window_state.gravity)
{
@ -260,7 +269,7 @@ static void check_geometry(int32_t expected_x, int32_t expected_y, uint32_t expe
offset_y = top;
break;
case XCB_GRAVITY_NORTH:
offset_x = (left - right + diff_x + 1) / 2;
offset_x = div2(left - right + diff_x, &extra_x);;
offset_y = top;
break;
case XCB_GRAVITY_NORTH_EAST:
@ -269,22 +278,22 @@ static void check_geometry(int32_t expected_x, int32_t expected_y, uint32_t expe
break;
case XCB_GRAVITY_WEST:
offset_x = left;
offset_y = (top - bottom + diff_y + 1) / 2;
offset_y = div2(top - bottom + diff_y, &extra_y);
break;
case XCB_GRAVITY_CENTER:
offset_x = (left - right + diff_x + 1) / 2;
offset_y = (top - bottom + diff_y + 1) / 2;
offset_x = div2(left - right + diff_x, &extra_x);
offset_y = div2(top - bottom + diff_y, &extra_y);
break;
case XCB_GRAVITY_EAST:
offset_x = -right + diff_x;
offset_y = (top - bottom + diff_y + 1) / 2;
offset_y = div2(top - bottom + diff_y, &extra_y);
break;
case XCB_GRAVITY_SOUTH_WEST:
offset_x = left;
offset_y = -bottom + diff_y;
break;
case XCB_GRAVITY_SOUTH:
offset_x = (left - right + diff_x + 1) / 2;
offset_x = div2(left - right + diff_x, &extra_x);
offset_y = -bottom + diff_y;
break;
case XCB_GRAVITY_SOUTH_EAST:
@ -312,12 +321,12 @@ static void check_geometry(int32_t expected_x, int32_t expected_y, uint32_t expe
check(expected_height == actual_height,
"For window with gravity %s in state %s, expected height = %d, but got %d",
gravity_to_string(window_state.gravity), state_to_string(window_state.state), (int) expected_height, (int) actual_height);
check(expected_x + offset_x == actual_x,
"For window with gravity %s in state %s, expected x = %d+%d, but got %d",
gravity_to_string(window_state.gravity), state_to_string(window_state.state), (int) expected_x, (int) offset_x, (int) actual_x);
check(expected_y + offset_y == actual_y,
"For window with gravity %s in state %s, expected y = %d+%d, but got %d",
gravity_to_string(window_state.gravity), state_to_string(window_state.state), (int) expected_y, (int) offset_y, (int) actual_y);
check(expected_x + offset_x == actual_x || expected_x + offset_x + extra_x == actual_x,
"For window with gravity %s in state %s, expected x = %d+%d (+%d), but got %d",
gravity_to_string(window_state.gravity), state_to_string(window_state.state), (int) expected_x, (int) offset_x, (int) extra_x, (int) actual_x);
check(expected_y + offset_y == actual_y || expected_y + offset_y + extra_y == actual_y,
"For window with gravity %s in state %s, expected y = %d+%d (+%d), but got %d",
gravity_to_string(window_state.gravity), state_to_string(window_state.state), (int) expected_y, (int) offset_y, (int) extra_y, (int) actual_y);
}
static void init(xcb_gravity_t gravity)