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refine tests for shift.

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more tests for string to integer conversion.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12816 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2007-07-19 17:04:53 +00:00
parent a1c76bc3de
commit 863e7e95f2
2 changed files with 56 additions and 7 deletions
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37
test/ruby/test_integer.rb
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@ -107,6 +107,16 @@ class TestInteger < Test::Unit::TestCase
assert_equal((a >> i).odd? ? 1 : 0, a[i], "(#{a})[#{i}]")
}
}
VS.each {|a|
VS.each {|b|
c = a[b]
if b < 0
assert_equal(0, c, "(#{a})[#{b}]")
else
assert_equal((a >> b).odd? ? 1 : 0, c, "(#{a})[#{b}]")
end
}
}
end
def test_plus
@ -229,16 +239,17 @@ class TestInteger < Test::Unit::TestCase
end
def test_lshift
small_values = VS.find_all {|v| -1000 < v && v < 1000 }
small_values = VS.find_all {|v| v < 8000 }
VS.each {|a|
small_values.each {|b|
c = a << b
if 0 <= b
assert_equal(a, c >> b, "(#{a} << #{b}) >> #{b}")
assert_equal(a * 2**b, c, "#{a} << #{b}")
else
assert_equal(a / 2**(-b), c, "#{a} << #{b}")
end
0.upto(c.size*8+10) {|nth|
assert_equal(a[nth-b], c[nth], "(#{a} << #{b})[#{nth}]")
}
}
}
assert_equal(0, 1 << -0x40000000)
@ -249,16 +260,17 @@ class TestInteger < Test::Unit::TestCase
end
def test_rshift
small_values = VS.find_all {|v| -1000 < v && v < 1000 }
small_values = VS.find_all {|v| -8000 < v }
VS.each {|a|
small_values.each {|b|
c = a >> b
if 0 < b
assert_equal(a / 2**b, c, "#{a} >> #{b}")
else
if b <= 0
assert_equal(a, c << b, "(#{a} >> #{b}) << #{b}")
assert_equal(a * 2**(-b), c, "#{a} >> #{b}")
end
0.upto(c.size*8+10) {|nth|
assert_equal(a[nth+b], c[nth], "(#{a} >> #{b})[#{nth}]")
}
}
}
# assert_equal(bdsize(0x40000001), (1 >> -0x40000001).size)
@ -415,5 +427,16 @@ class TestInteger < Test::Unit::TestCase
assert_nothing_raised(ArgumentError) {
assert_equal(1540841, "0x0x5".to_i(36))
}
assert_raise(ArgumentError) { Integer("--0") }
assert_raise(ArgumentError) { Integer("-+0") }
assert_raise(ArgumentError) { Integer("++1") }
assert_raise(ArgumentError) { Integer("") }
assert_raise(ArgumentError) { Integer("10 x") }
assert_raise(ArgumentError) { Integer("1__2") }
assert_raise(ArgumentError) { Integer("1z") }
assert_raise(ArgumentError) { Integer("46116860184273__87904") }
assert_raise(ArgumentError) { Integer("4611686018427387904_") }
assert_raise(ArgumentError) { Integer("4611686018427387904 :") }
assert_equal(0x4000000000000000, Integer("46_11_686_0184273_87904"))
end
end