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authorakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-06-06 11:57:35 +0000
committerakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-06-06 11:57:35 +0000
commit9fea8758e98eed379bf406f2fea6c8403efe2590 (patch)
tree43b6d68224149d266a858e9ec18ac7ddf61f707a /test/-ext-/bignum
parentc247e62808211a8e3ef0f54718b4dfea3bc46e13 (diff)
* configure.in: Invoke RUBY_REPLACE_TYPE for size_t.
Don't invoke RUBY_CHECK_PRINTF_PREFIX for size_t to avoid conflict with RUBY_REPLACE_TYPE. * internal.h (rb_absint_size): Declared. (rb_absint_size_in_word): Ditto. (rb_int_export): Ditto. * bignum.c (rb_absint_size): New function. (rb_absint_size_in_word): Ditto. (int_export_fill_dd): Ditto. (int_export_take_lowbits): Ditto. (rb_int_export): Ditto. * pack.c (pack_pack): Use rb_int_export for BER compressed integer. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41106 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/-ext-/bignum')
-rw-r--r--test/-ext-/bignum/test_export.rb67
1 files changed, 67 insertions, 0 deletions
diff --git a/test/-ext-/bignum/test_export.rb b/test/-ext-/bignum/test_export.rb
new file mode 100644
index 00000000000..3c1fc2e5e7e
--- /dev/null
+++ b/test/-ext-/bignum/test_export.rb
@@ -0,0 +1,67 @@
+# coding: ASCII-8BIT
+
+require 'test/unit'
+require "-test-/bignum"
+
+class TestBignum < Test::Unit::TestCase
+ class TestExport < Test::Unit::TestCase
+ def test_export_zero
+ assert_equal([0, "", 0], 0.test_export(nil, 1, 1, 1, 0))
+ end
+
+ def test_argument_check
+ assert_raise(ArgumentError) { 0.test_export(nil, 0, 1, 1, 0) }
+ assert_raise(ArgumentError) { 0.test_export(nil, 1, 1, 2, 0) }
+ assert_raise(ArgumentError) { 0.test_export(nil, 1, 0, 1, 0) }
+ assert_raise(ArgumentError) { 0.test_export(nil, 1, 1, 1, 8) }
+
+ # assume sizeof(ssize_t) == sizeof(intptr_t)
+ assert_raise(ArgumentError) { 0.test_export(nil, 1, 1 << ([""].pack("p").length * 8 - 1), 1, 0) }
+ end
+
+ def test_export_wordsize
+ assert_equal([1, "\x01", 1], 1.test_export(nil, 1, 1, 1, 0))
+ assert_equal([1, "\x00\x01", 1], 1.test_export(nil, 1, 2, 1, 0))
+ assert_equal([1, "\x00\x00\x01", 1], 1.test_export(nil, 1, 3, 1, 0))
+ assert_equal([1, "\x01", 1], 1.test_export(nil, 1, 1, -1, 0))
+ assert_equal([1, "\x01\x00", 1], 1.test_export(nil, 1, 2, -1, 0))
+ assert_equal([1, "\x01\x00\x00", 1], 1.test_export(nil, 1, 3, -1, 0))
+ end
+
+ def test_export_fixed_buffer
+ assert_equal([0, "\x00\x00", 2], 0.test_export("xx", 1, 1, 1, 0))
+ assert_equal([1, "\x00\x01", 2], 0x01.test_export("xx", 1, 1, 1, 0))
+ assert_equal([1, "\x02\x01", 2], 0x0201.test_export("xx", 1, 1, 1, 0))
+ assert_equal([2, "\x02\x01", 2], 0x030201.test_export("xx", 1, 1, 1, 0))
+ assert_equal([2, "\x02\x01", 2], 0x04030201.test_export("xx", 1, 1, 1, 0))
+ assert_equal([0, "\x00\x00", 2], 0.test_export("xx", -1, 1, 1, 0))
+ assert_equal([1, "\x01\x00", 2], 0x01.test_export("xx", -1, 1, 1, 0))
+ assert_equal([1, "\x01\x02", 2], 0x0201.test_export("xx", -1, 1, 1, 0))
+ assert_equal([2, "\x01\x02", 2], 0x030201.test_export("xx", -1, 1, 1, 0))
+ assert_equal([2, "\x01\x02", 2], 0x04030201.test_export("xx", -1, 1, 1, 0))
+ end
+
+ def test_export_wordorder_and_endian
+ assert_equal([1, "\x12\x34\x56\x78", 2], 0x12345678.test_export(nil, 1, 2, 1, 0))
+ assert_equal([1, "\x34\x12\x78\x56", 2], 0x12345678.test_export(nil, 1, 2, -1, 0))
+ assert_equal([1, "\x56\x78\x12\x34", 2], 0x12345678.test_export(nil, -1, 2, 1, 0))
+ assert_equal([1, "\x78\x56\x34\x12", 2], 0x12345678.test_export(nil, -1, 2, -1, 0))
+ end
+
+ def test_export_native_endian
+ assert_equal([1, [0x1234].pack("S!"), 1], 0x1234.test_export(nil, 1, 2, 0, 0))
+ end
+
+ def test_export_nail
+ assert_equal([1, "\x01\x00\x00\x00\x01\x01", 6], 0b100011.test_export(nil, 1, 1, 1, 7))
+ assert_equal([1, "\x01\x02\x03\x04\x05\x06\x07\x08", 8], 0x12345678.test_export(nil, 1, 1, 1, 4))
+ assert_equal([1, "\x00\x12\x00\x34\x00\x56\x00\x78", 4], 0x12345678.test_export(nil, 1, 2, 1, 8))
+ end
+
+ def test_export_sign
+ assert_equal([-1, "\x01", 1], (-1).test_export(nil, 1, 1, 1, 0))
+ assert_equal([-1, "\x80\x70\x60\x50\x40\x30\x20\x10", 8], (-0x8070605040302010).test_export(nil, 1, 1, 1, 0))
+ end
+
+ end
+end