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authorhsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-08-07 09:52:53 +0000
committerhsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-08-07 09:52:53 +0000
commit83bdae196aae9dd4ab3eba22448f8907840713ff (patch)
treed2ccf81fc0ce60f9a640c4133a7e3c426e20ad17 /test/test_cmath.rb
parente9b63a846fef57e33fc975b4c93db472659e1d34 (diff)
Add test for coverage.
https://github.com/ruby/cmath/pull/2 Co-authored-by: MATSUBARA Nobutada git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64209 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/test_cmath.rb')
-rw-r--r--test/test_cmath.rb42
1 files changed, 42 insertions, 0 deletions
diff --git a/test/test_cmath.rb b/test/test_cmath.rb
index f0d8718..b3692bc 100644
--- a/test/test_cmath.rb
+++ b/test/test_cmath.rb
@@ -3,7 +3,18 @@ require 'test/unit'
require 'cmath'
class TestCMath < Test::Unit::TestCase
+ def test_deprecated_method
+ orig = $VERBOSE
+ $VERBOSE = true
+ assert_warning(/CMath#sqrt! is deprecated; use CMath#sqrt or Math#sqrt/) do
+ CMath.sqrt!(1)
+ end
+ assert_equal CMath.sqrt(1), CMath.sqrt!(1)
+ $VERBOSE = orig
+ end
+
def test_sqrt
+ assert_equal 1, CMath.sqrt(1)
assert_equal CMath.sqrt(1i), CMath.sqrt(1.0i), '[ruby-core:31672]'
assert_equal Complex(0,2), CMath.sqrt(-4.0)
assert_equal Complex(0,2), CMath.sqrt(-4)
@@ -13,6 +24,7 @@ class TestCMath < Test::Unit::TestCase
assert_equal Complex(0,3), CMath.sqrt(Rational(-9))
assert_in_delta (1.272019649514069+0.7861513777574233i), CMath.sqrt(1+2i)
assert_in_delta 3.0i, CMath.sqrt(-9)
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.sqrt("1") }
end
def test_log
@@ -24,6 +36,13 @@ class TestCMath < Test::Unit::TestCase
end
def test_trigonometric_functions
+ assert_equal 0, CMath.asin(0)
+ assert_equal 0, CMath.acos(1)
+ assert_equal 0, CMath.atan(0)
+ assert_equal 0, CMath.asinh(0)
+ assert_equal 0, CMath.acosh(1)
+ assert_equal 0, CMath.atanh(0)
+
assert_in_delta CMath.sinh(2).i, CMath.sin(2i)
assert_in_delta CMath.cosh(2), CMath.cos(2i)
assert_in_delta CMath.tanh(2).i, CMath.tan(2i)
@@ -52,14 +71,37 @@ class TestCMath < Test::Unit::TestCase
assert_in_delta (1.4693517443681852+1.0634400235777521i), CMath.asinh(1+2i)
assert_in_delta (1.528570919480998+1.1437177404024204i), CMath.acosh(1+2i)
assert_in_delta (0.17328679513998635+1.1780972450961724i), CMath.atanh(1+2i)
+
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.sin("0") }
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.cos("0") }
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.tan("0") }
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.sinh("0") }
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.cosh("0") }
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.tanh("0") }
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.asin("0") }
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.atan("0") }
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.asinh("0") }
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.acosh("0") }
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.atanh("0") }
end
def test_functions
+ assert_equal (1), CMath.exp(0)
assert_in_delta (-1.1312043837568135+2.4717266720048188i), CMath.exp(1+2i)
assert_in_delta (-1), CMath.exp(Math::PI.i)
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.exp("0") }
+
+ assert_equal (0), CMath.log2(1)
assert_in_delta (1.1609640474436813+1.5972779646881088i), CMath.log2(1+2i)
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.log2("1") }
+
+ assert_equal (0), CMath.log10(1)
assert_in_delta (0.3494850021680094+0.480828578784234i), CMath.log10(1+2i)
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.log10("1") }
+
+ assert_equal (0), CMath.atan2(0,1)
assert_in_delta (1.3389725222944935+0.4023594781085251i), CMath.atan2(1+2i,1)
+ assert_raise_with_message(TypeError, "Numeric Number required") { CMath.atan2("0", 1) }
end
def test_error_handling