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require "xraylib"
require "test/unit"
class TestNISTCompounds < Test::Unit::TestCase
def test_good
list = Xraylib.GetCompoundDataNISTList()
assert_equal(list.length, 180)
list.each_with_index do |v, i|
cdn = Xraylib.GetCompoundDataNISTByIndex(i)
assert_equal(cdn['name'], v)
cdn = Xraylib.GetCompoundDataNISTByName(v)
assert_equal(cdn['name'], v)
end
cdn = Xraylib.GetCompoundDataNISTByIndex(5)
assert_equal(cdn['nElements'], 4)
assert_in_delta(cdn['density'], 0.001205, 1E-6)
assert_equal(cdn['Elements'], [6, 7, 8, 18])
[0.000124, 0.755267, 0.231781, 0.012827].each_with_index do |v, i|
assert_in_delta(cdn['massFractions'][i], v, 1E-6)
end
cdn = Xraylib.GetCompoundDataNISTByName('Air, Dry (near sea level)')
assert_equal(cdn['nElements'], 4)
assert_in_delta(cdn['density'], 0.001205, 1E-6)
assert_equal(cdn['Elements'], [6, 7, 8, 18])
[0.000124, 0.755267, 0.231781, 0.012827].each_with_index do |v, i|
assert_in_delta(cdn['massFractions'][i], v, 1E-6)
end
end
def test_bad
assert_raise(ArgumentError) {
Xraylib.GetCompoundDataNISTByName("jwjfpfj")
}
assert_raise(TypeError) {
Xraylib.GetCompoundDataNISTByName(0)
}
assert_raise(ArgumentError) {
Xraylib.GetCompoundDataNISTByName(nil)
}
assert_raise(ArgumentError) {
Xraylib.GetCompoundDataNISTByIndex(-1)
}
assert_raise(ArgumentError) {
Xraylib.GetCompoundDataNISTByIndex(180)
}
assert_raise(TypeError) {
Xraylib.GetCompoundDataNISTByIndex(nil)
}
assert_raise(TypeError) {
Xraylib.GetCompoundDataNISTByIndex("jpwejfp")
}
end
end
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