зеркало из https://github.com/github/ruby.git
116 строки
3.5 KiB
Ruby
116 строки
3.5 KiB
Ruby
require_relative 'test_base'
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require 'dl/func'
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module DL
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class TestFunc < TestBase
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def test_name
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f = Function.new(CFunc.new(@libc['strcpy'], TYPE_VOIDP, 'strcpy'),
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[TYPE_VOIDP, TYPE_VOIDP])
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assert_equal 'strcpy', f.name
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end
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def test_to_i
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cfunc = CFunc.new(@libc['strcpy'], TYPE_VOIDP, 'strcpy')
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f = Function.new(cfunc, [TYPE_VOIDP, TYPE_VOIDP])
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assert_equal cfunc.to_i, f.to_i
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end
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def test_random
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f = Function.new(CFunc.new(@libc['srand'], TYPE_VOID, 'srand'),
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[-TYPE_LONG])
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assert_nil f.call(10)
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end
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def test_sinf
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return if /x86_64/ =~ RUBY_PLATFORM
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begin
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f = Function.new(CFunc.new(@libm['sinf'], TYPE_FLOAT, 'sinf'),
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[TYPE_FLOAT])
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rescue DL::DLError
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skip "libm may not have sinf()"
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end
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assert_in_delta 1.0, f.call(90 * Math::PI / 180), 0.0001
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end
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def test_sin
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return if /x86_64/ =~ RUBY_PLATFORM
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f = Function.new(CFunc.new(@libm['sin'], TYPE_DOUBLE, 'sin'),
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[TYPE_DOUBLE])
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assert_in_delta 1.0, f.call(90 * Math::PI / 180), 0.0001
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end
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def test_strcpy()
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f = Function.new(CFunc.new(@libc['strcpy'], TYPE_VOIDP, 'strcpy'),
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[TYPE_VOIDP, TYPE_VOIDP])
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buff = "000"
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str = f.call(buff, "123")
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assert_equal("123", buff)
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assert_equal("123", str.to_s)
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end
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def test_string()
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stress, GC.stress = GC.stress, true
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f = Function.new(CFunc.new(@libc['strcpy'], TYPE_VOIDP, 'strcpy'),
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[TYPE_VOIDP, TYPE_VOIDP])
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buff = "000"
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str = f.call(buff, "123")
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assert_equal("123", buff)
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assert_equal("123", str.to_s)
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ensure
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GC.stress = stress
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end
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def test_isdigit()
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f = Function.new(CFunc.new(@libc['isdigit'], TYPE_INT, 'isdigit'),
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[TYPE_INT])
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r1 = f.call(?1.ord)
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r2 = f.call(?2.ord)
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rr = f.call(?r.ord)
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assert_positive(r1)
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assert_positive(r2)
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assert_zero(rr)
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end
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def test_atof()
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f = Function.new(CFunc.new(@libc['atof'], TYPE_DOUBLE, 'atof'),
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[TYPE_VOIDP])
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r = f.call("12.34")
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assert_match(12.00..13.00, r)
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end
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def test_strtod()
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f = Function.new(CFunc.new(@libc['strtod'], TYPE_DOUBLE, 'strtod'),
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[TYPE_VOIDP, TYPE_VOIDP])
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buff1 = CPtr["12.34"]
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buff2 = buff1 + 4
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r = f.call(buff1, - buff2)
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assert_in_delta(12.34, r, 0.001)
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end
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def test_qsort1()
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cb = Function.new(CFunc.new(0, TYPE_INT, '<callback>qsort'),
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[TYPE_VOIDP, TYPE_VOIDP]){|x,y| CPtr.new(x)[0] <=> CPtr.new(y)[0]}
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qsort = Function.new(CFunc.new(@libc['qsort'], TYPE_VOID, 'qsort'),
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[TYPE_VOIDP, TYPE_SIZE_T, TYPE_SIZE_T, TYPE_VOIDP])
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buff = "9341"
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qsort.call(buff, buff.size, 1, cb)
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assert_equal("1349", buff)
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bug4929 = '[ruby-core:37395]'
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buff = "9341"
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EnvUtil.under_gc_stress {qsort.call(buff, buff.size, 1, cb)}
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assert_equal("1349", buff, bug4929)
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end
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def test_qsort2()
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cb = TempFunction.new(CFunc.new(0, TYPE_INT, '<callback>qsort'),
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[TYPE_VOIDP, TYPE_VOIDP])
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qsort = Function.new(CFunc.new(@libc['qsort'], TYPE_VOID, 'qsort'),
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[TYPE_VOIDP, TYPE_SIZE_T, TYPE_SIZE_T, TYPE_VOIDP])
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buff = "9341"
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qsort.call(buff, buff.size, 1, cb){|x,y| CPtr.new(x)[0] <=> CPtr.new(y)[0]}
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assert_equal("1349", buff)
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end
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end
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end
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