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Diffstat (limited to 'test/matrix')
| -rw-r--r-- | test/matrix/test_matrix.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/matrix/test_matrix.rb b/test/matrix/test_matrix.rb index 575b7b0cd6..2412f00822 100644 --- a/test/matrix/test_matrix.rb +++ b/test/matrix/test_matrix.rb @@ -250,6 +250,18 @@ class TestMatrix < Test::Unit::TestCase assert_raise(ArgumentError) { @m1.minor(0) } end + def test_first_minor + assert_equal(Matrix.empty(0, 0), Matrix[[1]].first_minor(0, 0)) + assert_equal(Matrix.empty(0, 2), Matrix[[1, 4, 2]].first_minor(0, 1)) + assert_equal(Matrix[[1, 3]], @m1.first_minor(1, 1)) + assert_equal(Matrix[[4, 6]], @m1.first_minor(0, 1)) + assert_equal(Matrix[[1, 2]], @m1.first_minor(1, 2)) + assert_raise(RuntimeError) { Matrix.empty(0, 0).first_minor(0, 0) } + assert_raise(ArgumentError) { @m1.first_minor(4, 0) } + assert_raise(ArgumentError) { @m1.first_minor(0, -1) } + assert_raise(ArgumentError) { @m1.first_minor(-1, 4) } + end + def test_regular? assert(Matrix[[1, 0], [0, 1]].regular?) assert(Matrix[[1, 0, 0], [0, 1, 0], [0, 0, 1]].regular?) |