# -*- encoding: binary -*-
describe :string_codepoints, shared: true do
  it "returns self" do
    s = "foo"
    result = s.send(@method) {}
    result.should equal s
  end

  it "raises an ArgumentError when self has an invalid encoding and a method is called on the returned Enumerator" do
    s = "\xDF".force_encoding(Encoding::UTF_8)
    s.valid_encoding?.should be_false
    -> { s.send(@method).to_a }.should raise_error(ArgumentError)
  end

  it "yields each codepoint to the block if one is given" do
    codepoints = []
    "abcd".send(@method) do |codepoint|
      codepoints << codepoint
    end
    codepoints.should == [97, 98, 99, 100]
  end

  it "raises an ArgumentError if self's encoding is invalid and a block is given" do
    s = "\xDF".force_encoding(Encoding::UTF_8)
    s.valid_encoding?.should be_false
    -> { s.send(@method) { } }.should raise_error(ArgumentError)
  end

  it "yields codepoints as Fixnums" do
    "glark\u{20}".send(@method).to_a.each do |codepoint|
      codepoint.should be_an_instance_of(Fixnum)
    end
  end

  it "yields one codepoint for each character" do
    s = "\u{9876}\u{28}\u{1987}"
    s.send(@method).to_a.size.should == s.chars.to_a.size
  end

  it "works for multibyte characters" do
    s = "\u{9819}"
    s.bytesize.should == 3
    s.send(@method).to_a.should == [38937]
  end

  it "yields the codepoints corresponding to the character's position in the String's encoding" do
    "\u{787}".send(@method).to_a.should == [1927]
  end

  it "round-trips to the original String using Integer#chr" do
    s = "\u{13}\u{7711}\u{1010}"
    s2 = ""
    s.send(@method) {|n| s2 << n.chr(Encoding::UTF_8)}
    s.should == s2
  end

  it "is synonymous with #bytes for Strings which are single-byte optimizable" do
    s = "(){}".encode('ascii')
    s.ascii_only?.should be_true
    s.send(@method).to_a.should == s.bytes.to_a
  end
end
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<div class='path'>path: <a href='/ruby.git/log/?id=3eba84fba015f82fe4ed48ca32450c48a771942f'>root</a>/<a href='/ruby.git/log/test?id=3eba84fba015f82fe4ed48ca32450c48a771942f'>test</a>/<a href='/ruby.git/log/test/prism?id=3eba84fba015f82fe4ed48ca32450c48a771942f'>prism</a>/<a href='/ruby.git/log/test/prism/snapshots?id=3eba84fba015f82fe4ed48ca32450c48a771942f'>snapshots</a>/<a href='/ruby.git/log/test/prism/snapshots/seattlerb?id=3eba84fba015f82fe4ed48ca32450c48a771942f'>seattlerb</a>/<a href='/ruby.git/log/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=3eba84fba015f82fe4ed48ca32450c48a771942f'>call_kwsplat.txt</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/ruby.git/log/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=3eba84fba015f82fe4ed48ca32450c48a771942f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-05-03 13:01:40 -0400'>2024-05-03</span></td><td><a href='/ruby.git/commit/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=7caeff2baed907809600e9f3a18b6b02eaa76c5a'>[ruby/prism] Disallow keywords and blocks in index expressions</a></td><td>Kevin Newton</td></tr>
<tr><td><span title='2024-02-22 22:42:44 -0500'>2024-02-22</span></td><td><a href='/ruby.git/commit/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=3b3def5db7c27e985c12d8d2cf0f77ef3eb63744'>[ruby/prism] Regenerate snapshots using integer values</a></td><td>Kevin Newton</td></tr>
<tr><td><span title='2024-01-02 20:59:19 +0000'>2024-01-02</span></td><td><a href='/ruby.git/commit/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=adbfbd822f37d9dfc94d071af4d2d4390bfb29eb'>[ruby/prism] Ignore visibility flag</a></td><td>Kevin Newton</td></tr>
<tr><td><span title='2023-12-12 13:05:09 +0000'>2023-12-12</span></td><td><a href='/ruby.git/commit/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=d313c82f797852037012138284d4e49fdaf284c4'>[ruby/prism] Update tests and snapshots</a></td><td>Ufuk Kayserilioglu</td></tr>
<tr><td><span title='2023-12-06 20:50:02 +0000'>2023-12-06</span></td><td><a href='/ruby.git/commit/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=fe6ee5e92148755b75ffd00ab29611b59a416d5a'>[ruby/prism] Move flag position consistently to front</a></td><td>Kevin Newton</td></tr>
<tr><td><span title='2023-11-22 12:15:20 +0000'>2023-11-22</span></td><td><a href='/ruby.git/commit/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=018e6abf8509c7de2a8efb49741d594b15f49fbf'>[ruby/prism] Move CallNode#name field between receiver and arguments</a></td><td>Benoit Daloze</td></tr>
<tr><td><span title='2023-11-21 17:29:07 -0500'>2023-11-21</span></td><td><a href='/ruby.git/commit/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=3db21d2d4c930b6199bd2eba7fa6ab2f017b8a89'>[PRISM] Rename flag to CONTAINS_KEYWORD_SPLAT</a></td><td>Jemma Issroff</td></tr>
<tr><td><span title='2023-10-26 18:47:50 +0000'>2023-10-26</span></td><td><a href='/ruby.git/commit/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=7e4ee92de225473d3ad3ac8d0a27bd02a2905738'>[ruby/prism] Add KeywordSplat flag to ArgumentsNode</a></td><td>Jemma Issroff</td></tr>
<tr><td><span title='2023-10-02 09:18:56 -0400'>2023-10-02</span></td><td><a href='/ruby.git/commit/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=87dad067e03f98df7a64d4ce555e1213847e8dbb'>Sync with prism CallNode#name changes</a></td><td>Benoit Daloze</td></tr>
<tr><td><span title='2023-09-27 13:57:38 -0400'>2023-09-27</span></td><td><a href='/ruby.git/commit/test/prism/snapshots/seattlerb/call_kwsplat.txt?id=8ab56869a64fdccc094f4a83c6367fb23b72d38b'>Rename YARP filepaths to prism filepaths</a></td><td>Kevin Newton</td></tr>