* test/dl: moved from ext/dl/test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22717 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/dl/test_dl2.rb

@@ -0,0 +1,111 @@
+require 'test_base.rb'
+require 'dl/callback'
+
+module DL
+class TestDL < TestBase
+  def test_call_int()
+    cfunc = CFunc.new(@libc['atoi'], TYPE_INT, 'atoi')
+    x = cfunc.call(["100"].pack("p").unpack("l!*"))
+    assert_equal(100, x)
+
+    cfunc = CFunc.new(@libc['atoi'], TYPE_INT, 'atoi')
+    x = cfunc.call(["-100"].pack("p").unpack("l!*"))
+    assert_equal(-100, x)
+  end
+
+  def test_call_long()
+    cfunc = CFunc.new(@libc['atol'], TYPE_LONG, 'atol')
+    x = cfunc.call(["100"].pack("p").unpack("l!*"))
+    assert_equal(100, x)
+    cfunc = CFunc.new(@libc['atol'], TYPE_LONG, 'atol')
+    x = cfunc.call(["-100"].pack("p").unpack("l!*"))
+    assert_equal(-100, x)
+  end
+
+  def test_call_double()
+    cfunc = CFunc.new(@libc['atof'], TYPE_DOUBLE, 'atof')
+    x = cfunc.call(["0.1"].pack("p").unpack("l!*"))
+    assert_match(0.09..0.11, x)
+
+    cfunc = CFunc.new(@libc['atof'], TYPE_DOUBLE, 'atof')
+    x = cfunc.call(["-0.1"].pack("p").unpack("l!*"))
+    assert_match(-0.11 .. -0.09, x)
+  end
+
+  def test_sin()
+    cfunc = CFunc.new(@libm['sin'], TYPE_DOUBLE, 'sin')
+    x = cfunc.call([3.14/2].pack("d").unpack("l!*"))
+    assert_equal(x, Math.sin(3.14/2))
+
+    cfunc = CFunc.new(@libm['sin'], TYPE_DOUBLE, 'sin')
+    x = cfunc.call([-3.14/2].pack("d").unpack("l!*"))
+    assert_equal(Math.sin(-3.14/2), x)
+  end
+
+  def test_strlen()
+    cfunc = CFunc.new(@libc['strlen'], TYPE_INT, 'strlen')
+    x = cfunc.call(["abc"].pack("p").unpack("l!*"))
+    assert_equal("abc".size, x)
+  end
+
+  def test_strcpy()
+    buff = "xxxx"
+    str  = "abc"
+    cfunc = CFunc.new(@libc['strcpy'], TYPE_VOIDP, 'strcpy')
+    x = cfunc.call([buff,str].pack("pp").unpack("l!*"))
+    assert_equal("abc\0", buff)
+    assert_equal("abc\0", CPtr.new(x).to_s(4))
+
+    buff = "xxxx"
+    str  = "abc"
+    cfunc = CFunc.new(@libc['strncpy'], TYPE_VOIDP, 'strncpy')
+    x = cfunc.call([buff,str,3].pack("ppL!").unpack("l!*"))
+    assert_equal("abcx", buff)
+    assert_equal("abcx", CPtr.new(x).to_s(4))
+
+    ptr = CPtr.malloc(4)
+    str = "abc"
+    cfunc = CFunc.new(@libc['strcpy'], TYPE_VOIDP, 'strcpy')
+    x = cfunc.call([ptr.to_i,str].pack("l!p").unpack("l!*"))
+    assert_equal("abc\0", ptr[0,4])
+    assert_equal("abc\0", CPtr.new(x).to_s(4))
+  end
+
+  def test_callback()
+    buff = "foobarbaz"
+    cb = set_callback(TYPE_INT,2){|x,y| CPtr.new(x)[0] <=> CPtr.new(y)[0]}
+    cfunc = CFunc.new(@libc['qsort'], TYPE_VOID, 'qsort')
+    cfunc.call([buff, buff.size, 1, cb].pack("pL!L!L!").unpack("l!*"))
+    assert_equal('aabbfoorz', buff)
+  end
+
+  def test_dlwrap()
+    ary = [0,1,2,4,5]
+    addr = dlwrap(ary)
+    ary2 = dlunwrap(addr)
+    assert_equal(ary, ary2)
+  end
+
+  def test_cptr()
+    check = Proc.new{|str,ptr|
+      assert_equal(str.size(), ptr.size())
+      assert_equal(str, ptr.to_s())
+      assert_equal(str[0,2], ptr.to_s(2))
+      assert_equal(str[0,2], ptr[0,2])
+      assert_equal(str[1,2], ptr[1,2])
+      assert_equal(str[1,0], ptr[1,0])
+      assert_equal(str[0].ord, ptr[0])
+      assert_equal(str[1].ord, ptr[1])
+    }
+    str = 'abc'
+    ptr = CPtr[str]
+    check.call(str, ptr)
+    str[0] = "c"
+    ptr[0] = "c".ord
+    check.call(str, ptr)
+    str[0,2] = "aa"
+    ptr[0,2] = "aa"
+    check.call(str, ptr)
+  end
+end
+end # module DL