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require 'test/unit'
require 'fox16'
include Fox
class TC_FXVec4f < Test::Unit::TestCase
def test_new
FXVec4f.new
end
def test_new2
vec1 = FXVec4f.new(1.0, 2.0, 3.0, 4.0)
assert_equal(vec1, FXVec4f.new(vec1))
end
def test_new3
a = FXVec3f.new(1, 2, 3)
b = FXVec4f.new(a)
assert_equal(1, b[0])
assert_equal(2, b[1])
assert_equal(3, b[2])
assert_equal(1, b[3])
end
def test_new4
a = FXVec4f.new(1, 2, 3)
assert_equal(1, a[0])
assert_equal(2, a[1])
assert_equal(3, a[2])
assert_equal(1, a[3])
b = FXVec4f.new(1, 2, 3, 4)
assert_equal(1, b[0])
assert_equal(2, b[1])
assert_equal(3, b[2])
assert_equal(4, b[3])
end
def test_new5
c = FXVec4f.new(FXRGB(128, 128, 128))
end
def test_getitem
v = FXVec4f.new
assert_kind_of(Float, v[0])
assert_kind_of(Float, v[1])
assert_kind_of(Float, v[2])
assert_kind_of(Float, v[3])
assert_raises(IndexError) { v[-1] }
assert_raises(IndexError) { v[4] }
end
def test_setitem
v = FXVec4f.new
assert_kind_of(Float, v[0] = 0.0)
assert_kind_of(Float, v[1] = 0.0)
assert_kind_of(Float, v[2] = 0.0)
assert_kind_of(Float, v[3] = 0.0)
assert_raises(IndexError) { v[-1] = 0.0 }
assert_raises(IndexError) { v[4] = 0.0 }
end
def test_neg
vec = FXVec4f.new(1.0, 2.0, 3.0, 4.0)
vec = -vec
assert_equal(vec[0], -1.0)
assert_equal(vec[1], -2.0)
assert_equal(vec[2], -3.0)
assert_equal(vec[3], -4.0)
end
def test_add
v1 = FXVec4f.new(1.0, 2.0, 3.0, 4.0)
v2 = FXVec4f.new(2.0, 4.0, 6.0, 8.0)
v3 = FXVec4f.new(3.0, 6.0, 9.0, 12.0)
assert_equal(v3, v1 + v2)
end
def test_sub
v1 = FXVec4f.new(3.0, 6.0, 9.0, 12.0)
v2 = FXVec4f.new(2.0, 4.0, 6.0, 8.0)
v3 = FXVec4f.new(1.0, 2.0, 3.0, 4.0)
assert_equal(v3, v1 - v2)
end
def test_mul
v1 = FXVec4f.new(3.0, 6.0, 9.0, 12.0)
v2 = FXVec4f.new(6.0, 12.0, 18.0, 24.0)
assert_equal(v2, v1 * 2)
end
def test_mul2 # same as dot product
v1 = FXVec4f.new(3.0, 6.0, 9.0, 12.0)
v2 = FXVec4f.new(2.0, 4.0, 6.0, 8.0)
assert_equal(180.0, v1*v2)
assert_equal(180.0, v2*v1)
end
def test_div
v1 = FXVec4f.new(6.0, 12.0, 18.0, 24.0)
v2 = FXVec4f.new(3.0, 6.0, 9.0, 12.0)
assert_equal(v2, v1/2)
assert_raises(ZeroDivisionError) {
v1/0
}
end
def test_dot
v1 = FXVec4f.new(3.0, 6.0, 9.0, 12.0)
v2 = FXVec4f.new(2.0, 4.0, 6.0, 8.0)
assert_equal(180.0, v1.dot(v2))
assert_equal(180.0, v2.dot(v1))
end
def test_length
v = FXVec4f.new(1.0, 1.0, 1.0, 1.0)
assert_equal(2.0, v.length)
end
def test_normalize
vec = FXVec4f.new(1.0, 1.0, 1.0, 1.0)
assert_equal(FXVec4f.new(0.5, 0.5, 0.5, 0.5), vec.normalize)
end
def test_lo
v1 = FXVec4f.new(1.0, 2.0, 3.0, 4.0)
v2 = FXVec4f.new(2.0, 3.0, 4.0, 5.0)
assert_equal(v1, v1.lo(v2))
assert_equal(v1, v2.lo(v1))
end
def test_hi
v1 = FXVec4f.new(1.0, 2.0, 3.0, 4.0)
v2 = FXVec4f.new(2.0, 3.0, 4.0, 5.0)
assert_equal(v2, v1.hi(v2))
assert_equal(v2, v2.hi(v1))
end
def test_to_a
vec = FXVec4f.new(1.0, 1.0, 1.0)
arr = vec.to_a
assert_equal(Array, arr.class)
assert_equal(4, arr.length)
assert_equal(vec[0], arr[0])
assert_equal(vec[1], arr[1])
assert_equal(vec[2], arr[2])
assert_equal(vec[3], arr[3])
end
def test_equal
vec1 = FXVec4f.new(1.0, 2.0, 3.0, 4.0)
vec2 = FXVec4f.new(1.0, 2.0, 3.0, 4.0)
assert(vec1 == vec2)
end
end