diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/matrix/test_vector.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/matrix/test_vector.rb b/test/matrix/test_vector.rb index a063d2ca12..9607755feb 100644 --- a/test/matrix/test_vector.rb +++ b/test/matrix/test_vector.rb @@ -182,4 +182,15 @@ class TestVector < Test::Unit::TestCase assert_raise(ArgumentError) { Vector[1, 2].cross_product(Vector[2, -1]) } assert_raise(Vector::ErrOperationNotDefined) { Vector[1].cross_product } end + + def test_angle_with + assert_in_epsilon(Math::PI, Vector[1, 0].angle_with(Vector[-1, 0])) + assert_in_epsilon(Math::PI/2, Vector[1, 0].angle_with(Vector[0, -1])) + assert_in_epsilon(Math::PI/4, Vector[2, 2].angle_with(Vector[0, 1])) + assert_in_delta(0.0, Vector[1, 1].angle_with(Vector[1, 1]), 0.00001) + + assert_raise(Vector::ZeroVectorError) { Vector[1, 1].angle_with(Vector[0, 0]) } + assert_raise(Vector::ZeroVectorError) { Vector[0, 0].angle_with(Vector[1, 1]) } + assert_raise(Matrix::ErrDimensionMismatch) { Vector[1, 2, 3].angle_with(Vector[0, 1]) } + end end |