From c9c67d2fe0d8d502d444c477d3272c4092513a53 Mon Sep 17 00:00:00 2001 From: akr Date: Thu, 6 Jun 2013 21:20:04 +0000 Subject: * bignum.c (rb_int_import): New function. (int_import_push_bits): Ditto. * internal.h (rb_int_import): Declared. * pack.c (pack_unpack): Use rb_int_import for BER compressed integer. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41111 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/-ext-/bignum/test_import.rb | 54 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 test/-ext-/bignum/test_import.rb (limited to 'test') diff --git a/test/-ext-/bignum/test_import.rb b/test/-ext-/bignum/test_import.rb new file mode 100644 index 0000000000..f9b8b28de5 --- /dev/null +++ b/test/-ext-/bignum/test_import.rb @@ -0,0 +1,54 @@ +# coding: ASCII-8BIT + +require 'test/unit' +require "-test-/bignum" + +class TestBignum < Test::Unit::TestCase + class TestExport < Test::Unit::TestCase + def test_import_zero + assert_equal(0, Integer.test_import(0, "", 1, 1, 1, 1, 0)) + end + + def test_argument_check + assert_raise(ArgumentError) { Integer.test_import(1, "x", 1, 0, 1, 1, 0) } + assert_raise(ArgumentError) { Integer.test_import(1, "x", 1, 1, 1, 2, 0) } + assert_raise(ArgumentError) { Integer.test_import(1, "x", 1, 1, 0, 1, 0) } + assert_raise(ArgumentError) { Integer.test_import(1, "x", 1, 1, 1, 1, 8) } + + # assume sizeof(ssize_t) == sizeof(intptr_t) + assert_raise(ArgumentError) { Integer.test_import(1, "x", 1, 1, 1 << ([""].pack("p").length * 8 - 1), 1, 0) } + end + + def test_import_wordsize + assert_equal(1, Integer.test_import(1, "\x01", 1, 1, 1, 1, 0)) + assert_equal(1, Integer.test_import(1, "\x00\x01", 1, 1, 2, 1, 0)) + assert_equal(1, Integer.test_import(1, "\x00\x00\x01", 1, 1, 3, 1, 0)) + assert_equal(1, Integer.test_import(1, "\x01", 1, 1, 1, -1, 0)) + assert_equal(1, Integer.test_import(1, "\x01\x00", 1, 1, 2, -1, 0)) + assert_equal(1, Integer.test_import(1, "\x01\x00\x00", 1, 1, 3, -1, 0)) + end + + def test_import_wordorder_and_endian + assert_equal(0x01020304, Integer.test_import(1, "\x01\x02\x03\x04", 2, 1, 2, 1, 0)) + assert_equal(0x02010403, Integer.test_import(1, "\x01\x02\x03\x04", 2, 1, 2, -1, 0)) + assert_equal(0x03040102, Integer.test_import(1, "\x01\x02\x03\x04", 2, -1, 2, 1, 0)) + assert_equal(0x04030201, Integer.test_import(1, "\x01\x02\x03\x04", 2, -1, 2, -1, 0)) + end + + def test_import_native_endian + assert_equal("\x12\x34".unpack("S!")[0], Integer.test_import(1, "\x12\x34", 1, 1, 2, 0, 0)) + end + + def test_import_nail + assert_equal(0b100011, Integer.test_import(1, "\x01\x00\x00\x00\x01\x01", 6, 1, 1, 1, 7)) + assert_equal(0x12345678, Integer.test_import(1, "\x01\x02\x03\x04\x05\x06\x07\x08", 8, 1, 1, 1, 4)) + assert_equal(0x12345678, Integer.test_import(1, "\x00\x12\x00\x34\x00\x56\x00\x78", 4, 1, 2, 1, 8)) + end + + def test_import_sign + assert_equal(-1, Integer.test_import(-1, "\x01", 1, 1, 1, 1, 0)) + assert_equal(-0x8070605040302010, Integer.test_import(-1, "\x80\x70\x60\x50\x40\x30\x20\x10", 8, 1, 1, 1, 0)) + end + + end +end -- cgit v1.2.3