зеркало из https://github.com/github/ruby.git
112 строки
3.2 KiB
Ruby
112 строки
3.2 KiB
Ruby
require 'test_base.rb'
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require 'dl/callback'
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module DL
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class TestDL < TestBase
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def test_call_int()
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cfunc = CFunc.new(@libc['atoi'], TYPE_INT, 'atoi')
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x = cfunc.call(["100"].pack("p").unpack("l!*"))
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assert_equal(100, x)
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cfunc = CFunc.new(@libc['atoi'], TYPE_INT, 'atoi')
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x = cfunc.call(["-100"].pack("p").unpack("l!*"))
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assert_equal(-100, x)
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end
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def test_call_long()
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cfunc = CFunc.new(@libc['atol'], TYPE_LONG, 'atol')
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x = cfunc.call(["100"].pack("p").unpack("l!*"))
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assert_equal(100, x)
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cfunc = CFunc.new(@libc['atol'], TYPE_LONG, 'atol')
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x = cfunc.call(["-100"].pack("p").unpack("l!*"))
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assert_equal(-100, x)
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end
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def test_call_double()
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cfunc = CFunc.new(@libc['atof'], TYPE_DOUBLE, 'atof')
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x = cfunc.call(["0.1"].pack("p").unpack("l!*"))
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assert_match(0.09..0.11, x)
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cfunc = CFunc.new(@libc['atof'], TYPE_DOUBLE, 'atof')
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x = cfunc.call(["-0.1"].pack("p").unpack("l!*"))
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assert_match(-0.11 .. -0.09, x)
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end
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def test_sin()
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cfunc = CFunc.new(@libm['sin'], TYPE_DOUBLE, 'sin')
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x = cfunc.call([3.14/2].pack("d").unpack("l!*"))
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assert_equal(x, Math.sin(3.14/2))
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cfunc = CFunc.new(@libm['sin'], TYPE_DOUBLE, 'sin')
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x = cfunc.call([-3.14/2].pack("d").unpack("l!*"))
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assert_equal(Math.sin(-3.14/2), x)
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end
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def test_strlen()
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cfunc = CFunc.new(@libc['strlen'], TYPE_INT, 'strlen')
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x = cfunc.call(["abc"].pack("p").unpack("l!*"))
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assert_equal("abc".size, x)
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end
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def test_strcpy()
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buff = "xxxx"
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str = "abc"
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cfunc = CFunc.new(@libc['strcpy'], TYPE_VOIDP, 'strcpy')
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x = cfunc.call([buff,str].pack("pp").unpack("l!*"))
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assert_equal("abc\0", buff)
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assert_equal("abc\0", CPtr.new(x).to_s(4))
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buff = "xxxx"
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str = "abc"
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cfunc = CFunc.new(@libc['strncpy'], TYPE_VOIDP, 'strncpy')
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x = cfunc.call([buff,str,3].pack("ppL!").unpack("l!*"))
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assert_equal("abcx", buff)
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assert_equal("abcx", CPtr.new(x).to_s(4))
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ptr = CPtr.malloc(4)
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str = "abc"
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cfunc = CFunc.new(@libc['strcpy'], TYPE_VOIDP, 'strcpy')
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x = cfunc.call([ptr.to_i,str].pack("l!p").unpack("l!*"))
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assert_equal("abc\0", ptr[0,4])
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assert_equal("abc\0", CPtr.new(x).to_s(4))
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end
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def test_callback()
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buff = "foobarbaz"
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cb = set_callback(TYPE_INT,2){|x,y| CPtr.new(x)[0] <=> CPtr.new(y)[0]}
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cfunc = CFunc.new(@libc['qsort'], TYPE_VOID, 'qsort')
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cfunc.call([buff, buff.size, 1, cb].pack("pL!L!L!").unpack("l!*"))
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assert_equal('aabbfoorz', buff)
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end
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def test_dlwrap()
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ary = [0,1,2,4,5]
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addr = dlwrap(ary)
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ary2 = dlunwrap(addr)
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assert_equal(ary, ary2)
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end
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def test_cptr()
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check = Proc.new{|str,ptr|
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assert_equal(str.size(), ptr.size())
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assert_equal(str, ptr.to_s())
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assert_equal(str[0,2], ptr.to_s(2))
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assert_equal(str[0,2], ptr[0,2])
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assert_equal(str[1,2], ptr[1,2])
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assert_equal(str[1,0], ptr[1,0])
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assert_equal(str[0].ord, ptr[0])
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assert_equal(str[1].ord, ptr[1])
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}
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str = 'abc'
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ptr = CPtr[str]
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check.call(str, ptr)
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str[0] = "c"
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ptr[0] = "c".ord
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check.call(str, ptr)
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str[0,2] = "aa"
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ptr[0,2] = "aa"
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check.call(str, ptr)
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end
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end
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end # module DL
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