Index: tests/vector/.expect/vec2.txt
===================================================================
--- tests/vector/.expect/vec2.txt	(revision 0856a962b0e77713d4090f5dc16523d5cb40d424)
+++ tests/vector/.expect/vec2.txt	(revision 0856a962b0e77713d4090f5dc16523d5cb40d424)
@@ -0,0 +1,31 @@
+ctor(x,y):<1,2>
+copy ctor:<1,2>
+assignment:<3,4.2>
+move assignment:<1,2>
+zero-init:<0,0>
+zero-assign:<0,0>
+fill-ctor:<1.23,1.23>
+?-?:<0.02,0.43>
+?-=?:<3.23,-6.57>
+-?:<-3.23,6.57>
+?+?:<2.3,2.45>
+?+=?:<2.3,2.45>
+v*s:<4.5,8.25>
+s*v:<4.5,8.25>
+?*=?:<4.5,8.25>
+?/?:<0.666667,-0.0333333>
+?/=?:<0.666667,-0.0333333>
+dot_1:0.
+dot_2:8.6
+length:5.
+length_squared:25.
+distance:6.5146
+normalize:<0.882353,-0.470588>
+normalize_2:<1,0>
+project:<5,0>
+project_2:<5.5,5.5>
+reflect:<-5,6>
+refract:<5,6>
+refract:<3.7594,4.5592>
+faceforward_nochange:<4,5.5>
+faceforward_flip:<-4,-5.5>
Index: tests/vector/vec2.cfa
===================================================================
--- tests/vector/vec2.cfa	(revision 0856a962b0e77713d4090f5dc16523d5cb40d424)
+++ tests/vector/vec2.cfa	(revision 0856a962b0e77713d4090f5dc16523d5cb40d424)
@@ -0,0 +1,93 @@
+#include "../../libcfa/src/vector.hfa"
+#include <fstream.hfa>
+
+int main(void) {
+    vec2 v1 = {1.,2.};
+    sout | "ctor(x,y):" | v1;
+
+    vec2 v2 = v1;
+    sout | "copy ctor:" | v2;
+
+    v2 = (vec2){3., 4.2};
+    sout | "assignment:" | v2;
+
+    v2 = v1;
+    sout | "move assignment:" | v2;
+
+    vec2 v3 = 0;
+    sout | "zero-init:" | v3;
+
+    v1 = 0;
+    sout | "zero-assign:" | v1;
+
+    vec2 v4 = {1.23};
+    sout | "fill-ctor:" | v4;
+
+    v1 = (vec2){1.23, 3.43};
+    sout | "?-?:" | (v1 - (vec2){1.21,3});
+
+    v1 -= (vec2){-2, 10};
+    sout | "?-=?:" | v1;
+
+    v1 = -v1;
+    sout | "-?:" | v1;
+
+    v1 = (vec2){1.5, 2.75};
+    sout | "?+?:" | (v1 + (vec2){0.8, -0.3});
+
+    v1 += (vec2){0.8, -0.3};
+    sout | "?+=?:" | v1;
+
+    v1 = (vec2){1.5, 2.75};
+    sout | "v*s:" | v1 * 3;
+
+    sout | "s*v:" | 3 * v1;
+
+    v1 *= 3;
+    sout | "?*=?:" | v1;
+
+    v1 = (vec2){2, -0.1};
+    sout | "?/?:" | (v1 / 3);
+
+    v1 /= 3;
+    sout | "?/=?:" | v1;
+
+    v1 = (vec2){2, 3};
+    v2 = (vec2){-3, 2};
+    sout | "dot_1:" | dot(v1, v2);
+
+    v2 = (vec2){1.3, 2};
+    sout | "dot_2:" | dot(v1, v2);
+
+    v1 = (vec2){4, 3};
+    sout | "length:" | length(v1);
+
+    sout | "length_squared:" | length_squared(v1);
+
+    v2 = (vec2){6, -3.2};
+    sout | "distance:" | distance(v1, v2);
+
+    sout | "normalize:" | normalize(v2);
+
+    v1 = (vec2){1,0};
+    sout | "normalize_2:" | normalize(v1);
+
+    sout | "project:" | project((vec2){5,6}, (vec2){1, 0});
+    sout | "project_2:" | project((vec2){5,6}, (vec2){1, 1});
+
+    v1 = (vec2){5,6};
+    v2 = (vec2){1,0};
+    sout | "reflect:" | reflect(v1,v2);
+
+    v2 = (vec2){0,-1};
+    sout | "refract:" | refract(v1,v2,1);
+    sout | "refract:" | refract(v1,v2,1./1.33);
+
+    vec2 geometric_normal = {5,6};
+    vec2 perturbed_normal = {4,5.5};
+    vec2 eyeline = {-1,0.002f};
+    sout | "faceforward_nochange:" | faceforward(perturbed_normal, eyeline, geometric_normal);
+
+    eyeline = (vec2){1,0.002f};
+    sout | "faceforward_flip:" | faceforward(perturbed_normal, eyeline, geometric_normal);
+}