Test vec3 minus and cross product. Fix missing const qualifier in overloaded operators.

1 files changed, 19 insertions, 0 deletions

diff --git a/test.cpp b/test.cpp
index b1e5199..8f413f3 100644
--- a/test.cpp
+++ b/test.cpp
@@ -12,4 +12,23 @@ TEST(Vec, VecAdd) {
 
     vec3d d{1.1, 2.2, 3.3}, e{4.4, 5.5, 6.6}, f{5.5, 7.7, 9.9};
     ASSERT_EQ(d + e, f);
+}
+
+TEST(Vec, VecMin) {
+    vec3i a{1, 1, 1}, b{2, 2, 2}, c{-1, -1, -1};
+    ASSERT_EQ(a - b, c);
+    ASSERT_EQ(-a, c);
+
+    vec3d d{1.1, 2.2, 3.3}, e{-4.4, -5.5, -6.6}, f{5.5, 7.7, 9.9};
+    ASSERT_EQ(d - e, f);
+    ASSERT_EQ(d + (-e), f);
+}
+
+TEST(Vec, VecCrossProduct) {
+    vec3i a{1, 1, 1}, b{2, 2, 2}, c{3, 4, 5}, d{6, 7, 8}, e{-3, -6, -3};
+    ASSERT_EQ(a * b, vec3i{});
+    ASSERT_EQ(c * d, e);
+
+    vec3d f{3.0, 4.0, 5.0}, g{6.0, 7.0, 8.0}, h{-3, -6, -3};
+    ASSERT_EQ(f * g, h);
 }
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