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Merge pull request #390 from akuroda/float_test

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add test cases in test/t/float.rb
This commit is contained in:
Yukihiro "Matz" Matsumoto
2012-07-22 06:35:13 -07:00
parent 5926a4406e 9dd3ac36d1
commit 1b9708ef83
1 changed files with 24 additions and 6 deletions
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test/t/float.rb
+24 -6
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@@ -65,7 +65,11 @@ assert('Float#==', '15.2.9.3.7') do
end
assert('Float#ceil', '15.2.9.3.8') do
3.123456789.ceil == 4
a = 3.123456789.ceil
b = 3.0.ceil
c = -3.123456789.ceil
d = -3.0.ceil
a == 4 and b == 3 and c == -3 and d == -3
end
assert('Float#finite?', '15.2.9.3.9') do
@@ -74,20 +78,34 @@ assert('Float#finite?', '15.2.9.3.9') do
end
assert('Float#floor', '15.2.9.3.10') do
3.123456789.floor == 3
a = 3.123456789.floor
b = 3.0.floor
c = -3.123456789.floor
d = -3.0.floor
a == 3 and b == 3 and c == -4 and d == -3
end
assert('Float#infinite?', '15.2.9.3.11') do
not 3.123456789.infinite? and
(1.0 / 0.0).infinite?
a = 3.123456789.infinite?
b = (1.0 / 0.0).infinite?
c = (-1.0 / 0.0).infinite?
a == nil and b == 1 and c == -1
end
assert('Float#round', '15.2.9.3.12') do
a = 3.123456789.round
b = 3.5.round
c = 3.499999999.round
d = (-3.123456789).round
e = (-3.5).round
f = 12345.67.round(-1)
g = 3.123456789.round(0)
h = 3.123456789.round(1)
i = 3.123456789.round(4)
a == 3 and b == 4 and c == 3
a == 3 and b == 4 and c == 3 and d == -3 and e == -4 and
f == 12350 and g == 3 and h == 3.1 and i == 3.1235
end
assert('Float#to_f', '15.2.9.3.13') do
@@ -101,5 +119,5 @@ assert('Float#to_i', '15.2.9.3.14') do
end
assert('Float#truncate', '15.2.9.3.15') do
3.123456789.truncate == 3
3.123456789.truncate == 3 and -3.1.truncate == -3
end