Improve Float Tests

This commit is contained in:
Daniel Bovensiepen
2013-06-14 21:50:22 +08:00
parent 60d230d0fd
commit 04191cc829
+47 -25
View File
@@ -2,51 +2,51 @@
# Float ISO Test
assert('Float', '15.2.9') do
Float.class == Class
assert_equal Float.class, Class
end
assert('Float superclass', '15.2.9.2') do
Float.superclass == Numeric
assert_equal Float.superclass, Numeric
end
assert('Float#+', '15.2.9.3.1') do
a = 3.123456788 + 0.000000001
b = 3.123456789 + 1
check_float(a, 3.123456789) and
check_float(b, 4.123456789)
assert_float(a, 3.123456789)
assert_float(b, 4.123456789)
end
assert('Float#-', '15.2.9.3.2') do
a = 3.123456790 - 0.000000001
b = 5.123456789 - 1
check_float(a, 3.123456789) and
check_float(b, 4.123456789)
assert_float(a, 3.123456789)
assert_float(b, 4.123456789)
end
assert('Float#*', '15.2.9.3.3') do
a = 3.125 * 3.125
b = 3.125 * 1
check_float(a, 9.765625) and
check_float(b, 3.125)
assert_float(a, 9.765625)
assert_float(b, 3.125)
end
assert('Float#/', '15.2.9.3.4') do
a = 3.123456789 / 3.123456789
b = 3.123456789 / 1
check_float(a, 1.0) and
check_float(b, 3.123456789)
assert_float(a, 1.0)
assert_float(b, 3.123456789)
end
assert('Float#%', '15.2.9.3.5') do
a = 3.125 % 3.125
b = 3.125 % 1
check_float(a, 0.0) and
check_float(b, 0.125)
assert_float(a, 0.0)
assert_float(b, 0.125)
end
assert('Float#<=>', '15.2.9.3.6') do
@@ -56,12 +56,16 @@ assert('Float#<=>', '15.2.9.3.6') do
a2 = 3.125 <=> 3
c2 = 3.125 <=> 4
a == 1 and b == 0 and c == -1 and
a2 == 1 and c2 == -1
assert_equal a, 1
assert_equal b, 0
assert_equal c, -1
assert_equal a2, 1
assert_equal c2, -1
end
assert('Float#==', '15.2.9.3.7') do
3.1 == 3.1 and not 3.1 == 3.2
assert_true 3.1 == 3.1
assert_false 3.1 == 3.2
end
assert('Float#ceil', '15.2.9.3.8') do
@@ -69,12 +73,16 @@ assert('Float#ceil', '15.2.9.3.8') do
b = 3.0.ceil
c = -3.123456789.ceil
d = -3.0.ceil
a == 4 and b == 3 and c == -3 and d == -3
assert_equal a, 4
assert_equal b, 3
assert_equal c, -3
assert_equal d, -3
end
assert('Float#finite?', '15.2.9.3.9') do
3.123456789.finite? and
not (1.0 / 0.0).finite?
assert_true 3.123456789.finite?
assert_false (1.0 / 0.0).finite?
end
assert('Float#floor', '15.2.9.3.10') do
@@ -82,7 +90,11 @@ assert('Float#floor', '15.2.9.3.10') do
b = 3.0.floor
c = -3.123456789.floor
d = -3.0.floor
a == 3 and b == 3 and c == -4 and d == -3
assert_equal a, 3
assert_equal b, 3
assert_equal c, -4
assert_equal d, -3
end
assert('Float#infinite?', '15.2.9.3.11') do
@@ -90,7 +102,9 @@ assert('Float#infinite?', '15.2.9.3.11') do
b = (1.0 / 0.0).infinite?
c = (-1.0 / 0.0).infinite?
a == nil and b == 1 and c == -1
assert_nil a
assert_equal b, 1
assert_equal c, -1
end
assert('Float#round', '15.2.9.3.12') do
@@ -104,20 +118,28 @@ assert('Float#round', '15.2.9.3.12') do
h = 3.423456789.round(1)
i = 3.423456789.round(3)
a == 3 and b == 4 and c == 3 and d == -3 and e == -4 and
f == 12350 and g == 3 and check_float(h, 3.4) and check_float(i, 3.423)
assert_equal a, 3
assert_equal b, 4
assert_equal c, 3
assert_equal d, -3
assert_equal e, -4
assert_equal f, 12350
assert_equal g, 3
assert_float(h, 3.4)
assert_float(i, 3.423)
end
assert('Float#to_f', '15.2.9.3.13') do
a = 3.123456789
check_float(a.to_f, a)
assert_float(a.to_f, a)
end
assert('Float#to_i', '15.2.9.3.14') do
3.123456789.to_i == 3
assert_equal 3.123456789.to_i, 3
end
assert('Float#truncate', '15.2.9.3.15') do
3.123456789.truncate == 3 and -3.1.truncate == -3
assert_equal 3.123456789.truncate, 3
assert_equal -3.1.truncate, -3
end