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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
#include <mbgl/test/util.hpp>
#include <mbgl/test/stub_geometry_tile_feature.hpp>
#include <mbgl/style/property_expression.hpp>
#include <mbgl/renderer/property_evaluator.hpp>
#include <mbgl/renderer/property_evaluation_parameters.hpp>
#include <mbgl/style/expression/dsl.hpp>
using namespace mbgl;
using namespace mbgl::style;
using namespace mbgl::style::expression::dsl;
using namespace std::string_literals;
static StubGeometryTileFeature oneInteger {
PropertyMap {{ "property", uint64_t(1) }}
};
static StubGeometryTileFeature oneDouble {
PropertyMap {{ "property", 1.0 }}
};
static StubGeometryTileFeature oneString {
PropertyMap {{ "property", "1"s }}
};
float evaluate(PropertyValue<float> value, float zoom) {
return value.evaluate(PropertyEvaluator<float>(PropertyEvaluationParameters(zoom), 0));
}
TEST(PropertyExpression, Constant) {
EXPECT_EQ(2.0f, evaluate(PropertyValue<float>(2.0), 0));
EXPECT_EQ(3.8f, evaluate(PropertyValue<float>(3.8), 0));
EXPECT_EQ(22.0f, evaluate(PropertyValue<float>(22.0), 0));
EXPECT_EQ(2.0f, evaluate(PropertyValue<float>(2.0), 4));
EXPECT_EQ(3.8f, evaluate(PropertyValue<float>(3.8), 4));
EXPECT_EQ(22.0f, evaluate(PropertyValue<float>(22.0), 4));
EXPECT_EQ(2.0f, evaluate(PropertyValue<float>(2.0), 22));
EXPECT_EQ(3.8f, evaluate(PropertyValue<float>(3.8), 22));
EXPECT_EQ(22.0f, evaluate(PropertyValue<float>(22.0), 22));
}
TEST(PropertyExpression, Expression) {
PropertyExpression<float> expression(interpolate(linear(), zoom(), 0.0, literal(0.0), 1.0, literal(1.0)));
EXPECT_EQ(0.0, evaluate(expression, 0.0));
EXPECT_EQ(0.5, evaluate(expression, 0.5));
}
TEST(PropertyExpression, Defaults) {
EXPECT_EQ(1.0f, PropertyExpression<float>(number(get("property")), 0.0)
.evaluate(oneInteger, 2.0f));
EXPECT_EQ(1.0f, PropertyExpression<float>(number(get("property")), 0.0)
.evaluate(oneDouble, 2.0f));
EXPECT_EQ(0.0f, PropertyExpression<float>(number(get("property")), 0.0)
.evaluate(oneString, 2.0f));
EXPECT_EQ(2.0f, PropertyExpression<float>(number(get("property")))
.evaluate(oneString, 2.0f));
}
TEST(PropertyExpression, ZoomInterpolation) {
EXPECT_EQ(40.0f, PropertyExpression<float>(
interpolate(linear(), zoom(),
0.0, interpolate(linear(), number(get("property")), 1.0, literal(24.0)),
1.5, interpolate(linear(), number(get("property")), 1.0, literal(36.0)),
3.0, interpolate(linear(), number(get("property")), 1.0, literal(48.0))
), 0.0f)
.evaluate(2.0f, oneInteger, -1.0f)) << "Should interpolate between stops";
EXPECT_EQ(33.0, PropertyExpression<float>(
interpolate(linear(), zoom(),
5.0, interpolate(linear(), number(get("property")), 1.0, literal(33.0)),
10.0, interpolate(linear(), number(get("property")), 1.0, literal(66.0))
), 0.0f)
.evaluate(0.0f, oneInteger, -1.0f)) << "Use first stop output for input values from -inf to first stop";
EXPECT_EQ(66.0, PropertyExpression<float>(
interpolate(linear(), zoom(),
0.0, interpolate(linear(), number(get("property")), 1.0, literal(33.0)),
10.0, interpolate(linear(), number(get("property")), 1.0, literal(66.0))
), 0.0f)
.evaluate(20.0f, oneInteger, -1.0f)) << "Use last stop output for input values from last stop to +inf";
EXPECT_EQ(66.0f, PropertyExpression<float>(
interpolate(linear(), zoom(),
0.0, interpolate(linear(), number(get("property")), 1.0, literal(33.0)),
10.0, interpolate(linear(), number(get("property")), 1.0, literal(66.0))
), 0.0f)
.evaluate(10.0f, oneInteger, -1.0f)) << "Should interpolate TO the last stop.";
EXPECT_EQ(33.0f, PropertyExpression<float>(
interpolate(linear(), zoom(),
0.0, interpolate(linear(), number(get("property")), 1.0, literal(33.0)),
10.0, interpolate(linear(), number(get("property")), 1.0, literal(66.0))
), 0.0f)
.evaluate(0.0f, oneInteger, -1.0f)) << "Should interpolate TO the first stop";
}
TEST(PropertyExpression, Issue8460) {
PropertyExpression<float> fn1(
interpolate(linear(), zoom(),
15.0, interpolate(linear(), number(get("property")), 1.0, literal(0.0)),
15.2, interpolate(linear(), number(get("property")), 1.0, literal(600.0))
), 0.0f);
EXPECT_NEAR( 0.0f, fn1.evaluate(15.0f, oneInteger, -1.0f), 0.00);
EXPECT_NEAR(300.0f, fn1.evaluate(15.1f, oneInteger, -1.0f), 0.01);
EXPECT_NEAR(600.0f, fn1.evaluate(15.2f, oneInteger, -1.0f), 0.00);
EXPECT_NEAR(600.0f, fn1.evaluate(16.0f, oneInteger, -1.0f), 0.00);
PropertyExpression<float> fn2(
interpolate(linear(), zoom(),
15.0, interpolate(linear(), number(get("property")), 1.0, literal(0.0)),
15.2, interpolate(linear(), number(get("property")), 1.0, literal(300.0)),
18.0, interpolate(linear(), number(get("property")), 1.0, literal(600.0))
), 0.0f);
EXPECT_NEAR( 0.0f, fn2.evaluate(15.0f, oneInteger, -1.0f), 0.00);
EXPECT_NEAR(150.0f, fn2.evaluate(15.1f, oneInteger, -1.0f), 0.01);
EXPECT_NEAR(300.0f, fn2.evaluate(15.2f, oneInteger, -1.0f), 0.00);
EXPECT_NEAR(385.71f, fn2.evaluate(16.0f, oneInteger, -1.0f), 0.01);
EXPECT_NEAR(600.0f, fn2.evaluate(18.0f, oneInteger, -1.0f), 0.00);
EXPECT_NEAR(600.0f, fn2.evaluate(19.0f, oneInteger, -1.0f), 0.00);
}
|
