diff options
Diffstat (limited to 'test/dl')
-rw-r--r-- | test/dl/test_cptr.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/dl/test_cptr.rb b/test/dl/test_cptr.rb index c03abbe73..3c4b5e686 100644 --- a/test/dl/test_cptr.rb +++ b/test/dl/test_cptr.rb @@ -3,6 +3,42 @@ require_relative '../ruby/envutil' module DL class TestCPtr < TestBase + def test_to_ptr_string + str = "hello world" + ptr = CPtr[str] + assert ptr.tainted?, 'pointer should be tainted' + assert_equal str.length, ptr.size + assert_equal 'hello', ptr[0,5] + end + + def test_to_ptr_io + buf = CPtr.malloc(10) + File.open(__FILE__, 'r') do |f| + ptr = CPtr.to_ptr f + fread = CFunc.new(@libc['fread'], TYPE_VOID, 'fread') + fread.call([buf.to_i, DL::SIZEOF_CHAR, buf.size - 1, ptr.to_i]) + end + + File.open(__FILE__, 'r') do |f| + assert_equal f.read(9), buf.to_s + end + end + + def test_to_ptr_with_ptr + ptr = CPtr.new 0 + ptr2 = CPtr.to_ptr Struct.new(:to_ptr).new(ptr) + assert_equal ptr, ptr2 + + assert_raises(DL::DLError) do + CPtr.to_ptr Struct.new(:to_ptr).new(nil) + end + end + + def test_to_ptr_with_num + ptr = CPtr.new 0 + assert_equal ptr, CPtr[0] + end + def test_equals ptr = CPtr.new 0 ptr2 = CPtr.new 0 |