1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
#include <random>
#include "catch_amalgamated.hpp"
#include "AppHdr.h"
#include "ui.h"
#include "ui-scissor.h"
TEST_CASE( "Test region methods", "[single-file]" ) {
SECTION ("Test constructor parameter order is x, y, w, h") {
const ui::Region region = {1, 2, 3, 4};
REQUIRE(region.x == 1);
REQUIRE(region.y == 2);
REQUIRE(region.width == 3);
REQUIRE(region.height == 4);
}
SECTION ("Test operator== requires all fields to be identical") {
REQUIRE(ui::Region(0, 0, 0, 0) != ui::Region(0, 0, 0, 1));
REQUIRE(ui::Region(0, 0, 0, 0) != ui::Region(0, 0, 1, 0));
REQUIRE(ui::Region(0, 0, 0, 0) != ui::Region(0, 1, 0, 0));
REQUIRE(ui::Region(0, 0, 0, 0) != ui::Region(1, 0, 0, 0));
}
SECTION ("Test emptiness checking checks width and height") {
REQUIRE(ui::Region(0, 0, 0, 0).empty() == true);
REQUIRE(ui::Region(0, 0, 1, 0).empty() == true);
REQUIRE(ui::Region(0, 0, 0, 1).empty() == true);
REQUIRE(ui::Region(0, 0, 1, 1).empty() == false);
}
SECTION ("Test ex() method returns right side") {
REQUIRE(ui::Region(5, 0, 7, 0).ex() == 12);
}
SECTION ("Test ey() method returns bottom side") {
REQUIRE(ui::Region(0, 3, 0, 5).ey() == 8);
}
SECTION ("Test contains_point ") {
const ui::Region region = {-10, -10, 20, 20};
// Excludes points wholly outside
REQUIRE(region.contains_point(-20, 0) == false);
REQUIRE(region.contains_point(20, 0) == false);
REQUIRE(region.contains_point(0, -20) == false);
REQUIRE(region.contains_point(0, 20) == false);
// Top-left sides are inclusive, right-bottom sides are not.
REQUIRE(region.contains_point(-10, 0) == true);
REQUIRE(region.contains_point(0, -10) == true);
REQUIRE(region.contains_point(10, 0) == false);
REQUIRE(region.contains_point(0, 10) == false);
REQUIRE(region.contains_point(0, 0) == true);
}
SECTION ("Test AABB intersection") {
const ui::Region region1 = {21, 0, 20, 42};
const ui::Region region2 = {-1, 2, 37, 44};
REQUIRE(region1.aabb_intersect(region2) == ui::Region(21, 2, 15, 40));
}
SECTION ("Test AABB union") {
const ui::Region region1 = {21, 0, 20, 42};
const ui::Region region2 = {-1, 2, 37, 44};
REQUIRE(region1.aabb_union(region2) == ui::Region(-1, 0, 42, 46));
}
}
TEST_CASE( "Test scissor stack", "[single-file]" ) {
SECTION ("Test that scissor stack starts out with no scissor") {
ui::ScissorStack s;
REQUIRE(s.top() == ui::Region(0, 0, INT_MAX, INT_MAX));
}
#if 0
// TODO: this can't work right now, because we don't have a GL manager.
// This can be tested if we switch to dependency injection.
SECTION ("Test that scissor stack top() returns top region.") {
ui::ScissorStack s;
s.push(ui::Region(0, 0, 3, 3));
REQUIRE(s.top() == ui::Region(0, 0, 3, 3));
s.push(ui::Region(0, 0, 2, 2));
REQUIRE(s.top() == ui::Region(0, 0, 2, 2));
s.push(ui::Region(0, 0, 1, 1));
REQUIRE(s.top() == ui::Region(0, 0, 1, 1));
}
#endif
}
|
