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-rw-r--r--test/ruby/test_pack.rb237
1 files changed, 222 insertions, 15 deletions
diff --git a/test/ruby/test_pack.rb b/test/ruby/test_pack.rb
index 1463bd035b..9738f82b7e 100644
--- a/test/ruby/test_pack.rb
+++ b/test/ruby/test_pack.rb
@@ -1,3 +1,5 @@
+# coding: US-ASCII
+# frozen_string_literal: false
require 'test/unit'
class TestPack < Test::Unit::TestCase
@@ -77,6 +79,14 @@ class TestPack < Test::Unit::TestCase
assert_equal("\x01\x02\x03\x04", [0x01020304].pack("L"+mod))
assert_equal("\x01\x02\x03\x04\x05\x06\x07\x08", [0x0102030405060708].pack("q"+mod))
assert_equal("\x01\x02\x03\x04\x05\x06\x07\x08", [0x0102030405060708].pack("Q"+mod))
+ psize = [nil].pack('p').bytesize
+ if psize == 4
+ assert_equal("\x01\x02\x03\x04", [0x01020304].pack("j"+mod))
+ assert_equal("\x01\x02\x03\x04", [0x01020304].pack("J"+mod))
+ elsif psize == 8
+ assert_equal("\x01\x02\x03\x04\x05\x06\x07\x08", [0x0102030405060708].pack("j"+mod))
+ assert_equal("\x01\x02\x03\x04\x05\x06\x07\x08", [0x0102030405060708].pack("J"+mod))
+ end
assert_match(/\A\x00*\x01\x02\z/, [0x0102].pack("s!"+mod))
assert_match(/\A\x00*\x01\x02\z/, [0x0102].pack("S!"+mod))
assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("i"+mod))
@@ -85,7 +95,14 @@ class TestPack < Test::Unit::TestCase
assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("I!"+mod))
assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("l!"+mod))
assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("L!"+mod))
- %w[s S l L q Q s! S! i I i! I! l! L!].each {|fmt|
+ if psize == 4
+ assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("j!"+mod))
+ assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("J!"+mod))
+ elsif psize == 8
+ assert_match(/\A\x00*\x01\x02\x03\x04\x05\x06\x07\x08\z/, [0x0102030405060708].pack("j!"+mod))
+ assert_match(/\A\x00*\x01\x02\x03\x04\x05\x06\x07\x08\z/, [0x0102030405060708].pack("J!"+mod))
+ end
+ %w[s S l L q Q j J s! S! i I i! I! l! L! j! J!].each {|fmt|
fmt += mod
nuls = [0].pack(fmt)
v = 0
@@ -110,6 +127,14 @@ class TestPack < Test::Unit::TestCase
assert_equal("\x04\x03\x02\x01", [0x01020304].pack("L"+mod))
assert_equal("\x08\x07\x06\x05\x04\x03\x02\x01", [0x0102030405060708].pack("q"+mod))
assert_equal("\x08\x07\x06\x05\x04\x03\x02\x01", [0x0102030405060708].pack("Q"+mod))
+ psize = [nil].pack('p').bytesize
+ if psize == 4
+ assert_equal("\x04\x03\x02\x01", [0x01020304].pack("j"+mod))
+ assert_equal("\x04\x03\x02\x01", [0x01020304].pack("J"+mod))
+ elsif psize == 8
+ assert_equal("\x08\x07\x06\x05\x04\x03\x02\x01", [0x0102030405060708].pack("j"+mod))
+ assert_equal("\x08\x07\x06\x05\x04\x03\x02\x01", [0x0102030405060708].pack("J"+mod))
+ end
assert_match(/\A\x02\x01\x00*\z/, [0x0102].pack("s!"+mod))
assert_match(/\A\x02\x01\x00*\z/, [0x0102].pack("S!"+mod))
assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("i"+mod))
@@ -118,7 +143,14 @@ class TestPack < Test::Unit::TestCase
assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("I!"+mod))
assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("l!"+mod))
assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("L!"+mod))
- %w[s S l L q Q s! S! i I i! I! l! L!].each {|fmt|
+ if psize == 4
+ assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("j!"+mod))
+ assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("J!"+mod))
+ elsif psize == 8
+ assert_match(/\A\x08\x07\x06\x05\x04\x03\x02\x01\x00*\z/, [0x0102030405060708].pack("j!"+mod))
+ assert_match(/\A\x08\x07\x06\x05\x04\x03\x02\x01\x00*\z/, [0x0102030405060708].pack("J!"+mod))
+ end
+ %w[s S l L q Q j J s! S! i I i! I! l! L! j! J!].each {|fmt|
fmt += mod
nuls = [0].pack(fmt)
v = 0
@@ -180,6 +212,7 @@ class TestPack < Test::Unit::TestCase
assert_equal a[0], a.pack("p").unpack("p")[0]
assert_equal a, a.pack("p").freeze.unpack("p*")
assert_raise(ArgumentError) { (a.pack("p") + "").unpack("p*") }
+ assert_equal a, (a.pack("p") << "d").unpack("p*")
end
def test_format_string_modified
@@ -395,6 +428,7 @@ class TestPack < Test::Unit::TestCase
assert_operator(4, :<=, [1].pack("L!").bytesize)
end
+ require 'rbconfig'
def test_pack_unpack_qQ
s1 = [578437695752307201, -506097522914230529].pack("q*")
s2 = [578437695752307201, 17940646550795321087].pack("Q*")
@@ -402,8 +436,55 @@ class TestPack < Test::Unit::TestCase
assert_equal([578437695752307201, -506097522914230529], s2.unpack("q*"))
assert_equal([578437695752307201, 17940646550795321087], s1.unpack("Q*"))
+ # Note: q! and Q! should not work on platform which has no long long type.
+ # Is there a such platform now?
+ # @shyouhei: Yes. gcc -ansi is one of such platform.
+ s1 = [578437695752307201, -506097522914230529].pack("q!*")
+ s2 = [578437695752307201, 17940646550795321087].pack("Q!*")
+ assert_equal([578437695752307201, -506097522914230529], s2.unpack("q!*"))
+ assert_equal([578437695752307201, 17940646550795321087], s1.unpack("Q!*"))
+
assert_equal(8, [1].pack("q").bytesize)
assert_equal(8, [1].pack("Q").bytesize)
+ assert_operator(8, :<=, [1].pack("q!").bytesize)
+ assert_operator(8, :<=, [1].pack("Q!").bytesize)
+ end if RbConfig::CONFIG['HAVE_LONG_LONG']
+
+ def test_pack_unpack_jJ
+ # Note: we assume that the size of intptr_t and uintptr_t equals to the size
+ # of real pointer.
+ psize = [nil].pack("p").bytesize
+ if psize == 4
+ s1 = [67305985, -50462977].pack("j*")
+ s2 = [67305985, 4244504319].pack("J*")
+ assert_equal(s1, s2)
+ assert_equal([67305985, -50462977], s2.unpack("j*"))
+ assert_equal([67305985, 4244504319], s1.unpack("J*"))
+
+ s1 = [67305985, -50462977].pack("j!*")
+ s2 = [67305985, 4244504319].pack("J!*")
+ assert_equal([67305985, -50462977], s1.unpack("j!*"))
+ assert_equal([67305985, 4244504319], s2.unpack("J!*"))
+
+ assert_equal(4, [1].pack("j").bytesize)
+ assert_equal(4, [1].pack("J").bytesize)
+ elsif psize == 8
+ s1 = [578437695752307201, -506097522914230529].pack("j*")
+ s2 = [578437695752307201, 17940646550795321087].pack("J*")
+ assert_equal(s1, s2)
+ assert_equal([578437695752307201, -506097522914230529], s2.unpack("j*"))
+ assert_equal([578437695752307201, 17940646550795321087], s1.unpack("J*"))
+
+ s1 = [578437695752307201, -506097522914230529].pack("j!*")
+ s2 = [578437695752307201, 17940646550795321087].pack("J!*")
+ assert_equal([578437695752307201, -506097522914230529], s2.unpack("j!*"))
+ assert_equal([578437695752307201, 17940646550795321087], s1.unpack("J!*"))
+
+ assert_equal(8, [1].pack("j").bytesize)
+ assert_equal(8, [1].pack("J").bytesize)
+ else
+ assert false, "we don't know such platform now."
+ end
end
def test_pack_unpack_nN
@@ -435,7 +516,7 @@ class TestPack < Test::Unit::TestCase
%w(f d e E g G).each do |f|
v = [x].pack(f).unpack(f)
if x.nan?
- assert(v.first.nan?)
+ assert_predicate(v.first, :nan?)
else
assert_equal([x], v)
end
@@ -469,6 +550,9 @@ class TestPack < Test::Unit::TestCase
assert_equal([1, 2], "\x01\x00\x00\x02".unpack("C@3C"))
assert_equal([nil], "\x00".unpack("@1C")) # is it OK?
assert_raise(ArgumentError) { "\x00".unpack("@2C") }
+
+ pos = RbConfig::LIMITS["UINTPTR_MAX"] - 99 # -100
+ assert_raise(RangeError) {"0123456789".unpack("@#{pos}C10")}
end
def test_pack_unpack_percent
@@ -515,6 +599,11 @@ EXPECTED
assert_equal(["a"*46], "M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A\n!80``\n".unpack("u"))
assert_equal(["abcdefghi"], "&86)C9&5F\n#9VAI\n".unpack("u"))
+ assert_equal(["abcdef"], "#86)C\n#9&5F\n".unpack("u"))
+ assert_equal(["abcdef"], "#86)CX\n#9&5FX\n".unpack("u")) # X is a (dummy) checksum.
+ assert_equal(["abcdef"], "#86)C\r\n#9&5F\r\n".unpack("u"))
+ assert_equal(["abcdef"], "#86)CX\r\n#9&5FX\r\n".unpack("u")) # X is a (dummy) checksum.
+
assert_equal(["\x00"], "\"\n".unpack("u"))
assert_equal(["\x00"], "! \r \n".unpack("u"))
end
@@ -535,6 +624,26 @@ EXPECTED
assert_equal(["\377"], "/w==\n".unpack("m"))
assert_equal(["\377\377"], "//8=\n".unpack("m"))
assert_equal(["\377\377\377"], "////\n".unpack("m"))
+ assert_equal([""], "A\n".unpack("m"))
+ assert_equal(["\0"], "AA\n".unpack("m"))
+ assert_equal(["\0"], "AA=\n".unpack("m"))
+ assert_equal(["\0\0"], "AAA\n".unpack("m"))
+
+ bug10019 = '[ruby-core:63604] [Bug #10019]'
+ size = ((4096-4)/4*3+1)
+ assert_separately(%W[- #{size} #{bug10019}], <<-'end;')
+ size = ARGV.shift.to_i
+ bug = ARGV.shift
+ assert_equal(size, ["a"*size].pack("m#{size+2}").unpack("m")[0].size, bug)
+ end;
+ end
+
+ def test_bug_18343
+ bug18343 = '[ruby-core:106096] [Bug #18343]'
+ assert_separately(%W[- #{bug18343}], <<-'end;')
+ bug = ARGV.shift
+ assert_raise(ArgumentError, bug){[0].pack('c', {})}
+ end;
end
def test_pack_unpack_m0
@@ -590,6 +699,11 @@ EXPECTED
assert_equal(["pre=hoge"], "pre=hoge".unpack("M"))
assert_equal(["pre==31after"], "pre==31after".unpack("M"))
assert_equal(["pre===31after"], "pre===31after".unpack("M"))
+
+ bug = '[ruby-core:83055] [Bug #13949]'
+ s = "abcdef".unpack1("M")
+ assert_equal(Encoding::ASCII_8BIT, s.encoding)
+ assert_predicate(s, :ascii_only?, bug)
end
def test_pack_unpack_P2
@@ -630,16 +744,6 @@ EXPECTED
assert_equal([0x100000000], "\220\200\200\200\000".unpack("w"), [0x100000000])
end
- def test_modify_under_safe4
- s = "foo"
- assert_raise(SecurityError) do
- Thread.new do
- $SAFE = 4
- s.clear
- end.join
- end
- end
-
def test_length_too_big
assert_raise(RangeError) { [].pack("C100000000000000000000") }
end
@@ -668,7 +772,7 @@ EXPECTED
$VERBOSE = true
- _, err = capture_io do
+ _, err = capture_output do
assert_equal "\000", [0].pack("*U")
end
@@ -687,7 +791,7 @@ EXPECTED
$VERBOSE = true
- _, err = capture_io do
+ _, err = capture_output do
assert_equal [0], "\000".unpack("*U")
end
@@ -696,4 +800,107 @@ EXPECTED
$VERBOSE = verbose
end
+ def test_invalid_warning
+ assert_warning(/unknown pack directive ',' in ','/) {
+ [].pack(",")
+ }
+ assert_warning(/\A[ -~]+\Z/) {
+ [].pack("\x7f")
+ }
+ assert_warning(/\A(.* in '\u{3042}'\n)+\z/) {
+ [].pack("\u{3042}")
+ }
+
+ assert_warning(/\A.* in '.*U'\Z/) {
+ assert_equal "\000", [0].pack("\0U")
+ }
+ assert_warning(/\A.* in '.*U'\Z/) {
+ "\000".unpack("\0U")
+ }
+ end
+
+ def test_pack_resize
+ assert_separately([], <<-'end;')
+ ary = []
+ obj = Class.new {
+ define_method(:to_str) {
+ ary.clear()
+ ary = nil
+ GC.start
+ "TALOS"
+ }
+ }.new
+
+ ary.push(obj)
+ ary.push(".")
+
+ assert_raise_with_message(ArgumentError, /too few/) {ary.pack("AA")}
+ end;
+ end
+
+ def test_pack_with_buffer
+ buf = String.new(capacity: 100)
+
+ assert_raise_with_message(FrozenError, /frozen/) {
+ [0xDEAD_BEEF].pack('N', buffer: 'foo'.freeze)
+ }
+ assert_raise_with_message(TypeError, /must be String/) {
+ [0xDEAD_BEEF].pack('N', buffer: Object.new)
+ }
+
+ addr = [buf].pack('p')
+
+ [0xDEAD_BEEF].pack('N', buffer: buf)
+ assert_equal "\xDE\xAD\xBE\xEF", buf
+
+ [0xBABE_F00D].pack('@4N', buffer: buf)
+ assert_equal "\xDE\xAD\xBE\xEF\xBA\xBE\xF0\x0D", buf
+ assert_equal addr, [buf].pack('p')
+
+ [0xBAAD_FACE].pack('@10N', buffer: buf)
+ assert_equal "\xDE\xAD\xBE\xEF\xBA\xBE\xF0\x0D\0\0\xBA\xAD\xFA\xCE", buf
+
+ assert_equal addr, [buf].pack('p')
+ end
+
+ def test_unpack_with_block
+ ret = []; "ABCD".unpack("CCCC") {|v| ret << v }
+ assert_equal [65, 66, 67, 68], ret
+ ret = []; "A".unpack("B*") {|v| ret << v.dup }
+ assert_equal ["01000001"], ret
+ end
+
+ def test_unpack1
+ assert_equal 65, "A".unpack1("C")
+ assert_equal 68, "ABCD".unpack1("x3C")
+ assert_equal 0x3042, "\u{3042 3044 3046}".unpack1("U*")
+ assert_equal "hogefuga", "aG9nZWZ1Z2E=".unpack1("m")
+ assert_equal "01000001", "A".unpack1("B*")
+ end
+
+ def test_unpack1_offset
+ assert_equal 65, "ZA".unpack1("C", offset: 1)
+ assert_equal "01000001", "YZA".unpack1("B*", offset: 2)
+ assert_nil "abc".unpack1("C", offset: 3)
+ assert_raise_with_message(ArgumentError, /offset can't be negative/) {
+ "a".unpack1("C", offset: -1)
+ }
+ assert_raise_with_message(ArgumentError, /offset outside of string/) {
+ "a".unpack1("C", offset: 2)
+ }
+ assert_nil "a".unpack1("C", offset: 1)
+ end
+
+ def test_unpack_offset
+ assert_equal [65], "ZA".unpack("C", offset: 1)
+ assert_equal ["01000001"], "YZA".unpack("B*", offset: 2)
+ assert_equal [nil, nil, nil], "abc".unpack("CCC", offset: 3)
+ assert_raise_with_message(ArgumentError, /offset can't be negative/) {
+ "a".unpack("C", offset: -1)
+ }
+ assert_raise_with_message(ArgumentError, /offset outside of string/) {
+ "a".unpack("C", offset: 2)
+ }
+ assert_equal [nil], "a".unpack("C", offset: 1)
+ end
end
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