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-rw-r--r--test/ruby/test_pack.rb332
1 files changed, 285 insertions, 47 deletions
diff --git a/test/ruby/test_pack.rb b/test/ruby/test_pack.rb
index 5fa00b58d1..ca089f09c3 100644
--- a/test/ruby/test_pack.rb
+++ b/test/ruby/test_pack.rb
@@ -1,24 +1,44 @@
# coding: US-ASCII
+# frozen_string_literal: false
require 'test/unit'
+require 'rbconfig'
+require 'rbconfig/sizeof'
class TestPack < Test::Unit::TestCase
+ # Note: the size of intptr_t and uintptr_t should be equal.
+ J_SIZE = RbConfig::SIZEOF['uintptr_t']
+
def test_pack
- $format = "c2x5CCxsdils_l_a6";
+ format = "c2x5CCxsdils_l_a6";
# Need the expression in here to force ary[5] to be numeric. This avoids
# test2 failing because ary2 goes str->numeric->str and ary does not.
ary = [1,-100,127,128,32767,987.654321098 / 100.0,12345,123456,-32767,-123456,"abcdef"]
- $x = ary.pack($format)
- ary2 = $x.unpack($format)
+ x = ary.pack(format)
+ ary2 = x.unpack(format)
assert_equal(ary.length, ary2.length)
assert_equal(ary.join(':'), ary2.join(':'))
- assert_match(/def/, $x)
+ assert_match(/def/, x)
+
+ x = [-1073741825]
+ assert_equal(x, x.pack("q").unpack("q"))
+
+ x = [-1]
+ assert_equal(x, x.pack("l").unpack("l"))
+ end
+
+ def test_ascii_incompatible
+ assert_raise(Encoding::CompatibilityError) do
+ ["foo"].pack("u".encode("UTF-32BE"))
+ end
- $x = [-1073741825]
- assert_equal($x, $x.pack("q").unpack("q"))
+ assert_raise(Encoding::CompatibilityError) do
+ "foo".unpack("C".encode("UTF-32BE"))
+ end
- $x = [-1]
- assert_equal($x, $x.pack("l").unpack("l"))
+ assert_raise(Encoding::CompatibilityError) do
+ "foo".unpack1("C".encode("UTF-32BE"))
+ end
end
def test_pack_n
@@ -78,6 +98,14 @@ 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))
+ case J_SIZE
+ when 4
+ assert_equal("\x01\x02\x03\x04", [0x01020304].pack("j"+mod))
+ assert_equal("\x01\x02\x03\x04", [0x01020304].pack("J"+mod))
+ when 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))
@@ -86,7 +114,15 @@ 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|
+ case J_SIZE
+ when 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))
+ when 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
@@ -111,6 +147,14 @@ 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))
+ case J_SIZE
+ when 4
+ assert_equal("\x04\x03\x02\x01", [0x01020304].pack("j"+mod))
+ assert_equal("\x04\x03\x02\x01", [0x01020304].pack("J"+mod))
+ when 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))
@@ -119,7 +163,15 @@ 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|
+ case J_SIZE
+ when 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))
+ when 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
@@ -151,8 +203,8 @@ class TestPack < Test::Unit::TestCase
end
def test_integer_endian_explicit
- _integer_big_endian('>')
- _integer_little_endian('<')
+ _integer_big_endian('>')
+ _integer_little_endian('<')
end
def test_pack_U
@@ -404,8 +456,53 @@ 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
+ case J_SIZE
+ when 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)
+ when 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
@@ -437,7 +534,7 @@ 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
@@ -471,6 +568,9 @@ 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
@@ -517,6 +617,11 @@ 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
@@ -537,6 +642,26 @@ 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
@@ -592,6 +717,11 @@ 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
@@ -632,16 +762,6 @@ 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
@@ -661,41 +781,159 @@ EXPECTED
end
def test_pack_garbage
- verbose = $VERBOSE
- $VERBOSE = false
-
- assert_silent do
+ assert_raise(ArgumentError, %r%unknown pack directive '\*' in '\*U'$%) do
assert_equal "\000", [0].pack("*U")
end
+ end
- $VERBOSE = true
-
- _, err = capture_io do
- assert_equal "\000", [0].pack("*U")
+ def test_unpack_garbage
+ assert_raise(ArgumentError, %r%unknown unpack directive '\*' in '\*U'$%) do
+ assert_equal [0], "\000".unpack("*U")
end
+ end
+
+ def test_invalid_warning
+ assert_raise(ArgumentError, /unknown pack directive ',' in ','/) {
+ [].pack(",")
+ }
+ assert_raise(ArgumentError, /\A[ -~]+\Z/) {
+ [].pack("\x7f")
+ }
+ assert_raise(ArgumentError, /\A(.* in '\u{3042}'\n)+\z/) {
+ [].pack("\u{3042}")
+ }
- assert_match %r%unknown pack directive '\*' in '\*U'$%, err
- ensure
- $VERBOSE = verbose
+ assert_raise(ArgumentError, /\A.* in '.*U'\Z/) {
+ assert_equal "\000", [0].pack("\0U")
+ }
+ assert_raise(ArgumentError, /\A.* in '.*U'\Z/) {
+ "\000".unpack("\0U")
+ }
end
- def test_unpack_garbage
- verbose = $VERBOSE
- $VERBOSE = false
+ def test_pack_resize
+ assert_separately([], <<-'end;')
+ ary = []
+ obj = Class.new {
+ define_method(:to_str) {
+ ary.clear()
+ ary = nil
+ GC.start
+ "TALOS"
+ }
+ }.new
- assert_silent do
- assert_equal [0], "\000".unpack("*U")
- end
+ ary.push(obj)
+ ary.push(".")
- $VERBOSE = true
+ assert_raise_with_message(ArgumentError, /too few/) {ary.pack("AA")}
+ end;
+ end
- _, err = capture_io do
- assert_equal [0], "\000".unpack("*U")
- end
+ def test_pack_with_buffer
+ buf = String.new(capacity: 100)
+
+ assert_raise_with_message(FrozenError, /frozen/) {
+ [0xDEAD_BEEF].pack('N', buffer: 'foo'.freeze)
+ }
+ assert_raise_with_message(TypeError, /must be String/) {
+ [0xDEAD_BEEF].pack('N', buffer: Object.new)
+ }
+
+ addr = [buf].pack('p')
+
+ [0xDEAD_BEEF].pack('N', buffer: buf)
+ assert_equal "\xDE\xAD\xBE\xEF", buf
+
+ [0xBABE_F00D].pack('@4N', buffer: buf)
+ assert_equal "\xDE\xAD\xBE\xEF\xBA\xBE\xF0\x0D", buf
+ assert_equal addr, [buf].pack('p')
+
+ [0xBAAD_FACE].pack('@10N', buffer: buf)
+ assert_equal "\xDE\xAD\xBE\xEF\xBA\xBE\xF0\x0D\0\0\xBA\xAD\xFA\xCE", buf
+
+ assert_equal addr, [buf].pack('p')
+ end
+
+ def test_unpack_with_block
+ ret = []; "ABCD".unpack("CCCC") {|v| ret << v }
+ assert_equal [65, 66, 67, 68], ret
+ ret = []; "A".unpack("B*") {|v| ret << v.dup }
+ assert_equal ["01000001"], ret
+ end
+
+ def test_unpack1
+ assert_equal 65, "A".unpack1("C")
+ assert_equal 68, "ABCD".unpack1("x3C")
+ assert_equal 0x3042, "\u{3042 3044 3046}".unpack1("U*")
+ assert_equal "hogefuga", "aG9nZWZ1Z2E=".unpack1("m")
+ assert_equal "01000001", "A".unpack1("B*")
+ end
+
+ def test_unpack1_offset
+ assert_equal 65, "ZA".unpack1("C", offset: 1)
+ assert_equal "01000001", "YZA".unpack1("B*", offset: 2)
+ assert_nil "abc".unpack1("C", offset: 3)
+ assert_raise_with_message(ArgumentError, /offset can't be negative/) {
+ "a".unpack1("C", offset: -1)
+ }
+ assert_raise_with_message(ArgumentError, /offset outside of string/) {
+ "a".unpack1("C", offset: 2)
+ }
+ assert_nil "a".unpack1("C", offset: 1)
+ end
- assert_match %r%unknown unpack directive '\*' in '\*U'$%, err
- ensure
- $VERBOSE = verbose
+ 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
+ def test_monkey_pack
+ assert_separately([], <<-'end;')
+ $-w = false
+ class Array
+ alias :old_pack :pack
+ def pack _; "oh no"; end
+ end
+
+ v = [2 ** 15].pack('n')
+
+ class Array
+ alias :pack :old_pack
+ end
+
+ assert_equal "oh no", v
+ end;
+ end
+
+ def test_monkey_pack_buffer
+ assert_separately([], <<-'end;')
+ $-w = false
+ class Array
+ alias :old_pack :pack
+ def pack _, buffer:; buffer << " no"; end
+ end
+
+ def test
+ b = +"oh"
+ [2 ** 15].pack('n', buffer: b)
+ end
+
+ v = test
+
+ class Array
+ alias :pack :old_pack
+ end
+
+ assert_equal "oh no", v
+ end;
+ end
end
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