summaryrefslogtreecommitdiff
path: root/Build/source/utils/asymptote/tests/arith/transform.asy
blob: e4e44e387b88ffd7eac3dd36c5dd9f9f4c07ad2a (plain)
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
import TestLib;
pair x = (1, 2);
StartTest("identity transform");
assert(identity()*x == x);
EndTest();
StartTest("shift transform");
assert(shift((1,1))*x == (2, 3));
assert(shift(1,1)*x == (2, 3));
EndTest();
StartTest("scaling transforms");
assert(xscale(2)*x == (2, 2));
assert(yscale(2)*x == (1, 4));
assert(scale(2)*x == (2, 4));
EndTest();
StartTest("slant transform");
assert(slant(1)*x == (3, 2));
EndTest();
StartTest("rotation transform");
assert(length((rotate(90)*x) - (-2,1)) <= realEpsilon);
assert(rotate(90, x)*x == x);
EndTest();
StartTest("reflect transform");
assert(reflect((-1, -1), (1, 1))*x == (2, 1));
EndTest();