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string.c: split with block

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* string.c (rb_str_split_m): yield each split substrings if the
  block is given, instead of returing the array.  [Feature #4780]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62763 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-03-15 11:08:04 +00:00
parent d13a2d498c
commit 2258a97fe2
3 changed files with 95 additions and 31 deletions
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40
test/ruby/test_string.rb
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@ -1699,7 +1699,46 @@ CODE
assert_equal([S("a"), S(""), S("b"), S("c"), S("")], S("a||b|c|").split(S('|'), -1))
assert_equal([], "".split(//, 1))
ensure
$; = fs
end
def test_split_with_block
fs, $; = $;, nil
result = []; S(" a b\t c ").split {|s| result << s}
assert_equal([S("a"), S("b"), S("c")], result)
result = []; S(" a b\t c ").split(S(" ")) {|s| result << s}
assert_equal([S("a"), S("b"), S("c")], result)
result = []; S(" a | b | c ").split(S("|")) {|s| result << s}
assert_equal([S(" a "), S(" b "), S(" c ")], result)
result = []; S("aXXbXXcXX").split(/X./) {|s| result << s}
assert_equal([S("a"), S("b"), S("c")], result)
result = []; S("abc").split(//) {|s| result << s}
assert_equal([S("a"), S("b"), S("c")], result)
result = []; S("a|b|c").split(S('|'), 1) {|s| result << s}
assert_equal([S("a|b|c")], result)
result = []; S("a|b|c").split(S('|'), 2) {|s| result << s}
assert_equal([S("a"), S("b|c")], result)
result = []; S("a|b|c").split(S('|'), 3) {|s| result << s}
assert_equal([S("a"), S("b"), S("c")], result)
result = []; S("a|b|c|").split(S('|'), -1) {|s| result << s}
assert_equal([S("a"), S("b"), S("c"), S("")], result)
result = []; S("a|b|c||").split(S('|'), -1) {|s| result << s}
assert_equal([S("a"), S("b"), S("c"), S(""), S("")], result)
result = []; S("a||b|c|").split(S('|')) {|s| result << s}
assert_equal([S("a"), S(""), S("b"), S("c")], result)
result = []; S("a||b|c|").split(S('|'), -1) {|s| result << s}
assert_equal([S("a"), S(""), S("b"), S("c"), S("")], result)
result = []; "".split(//, 1) {|s| result << s}
assert_equal([], result)
ensure
$; = fs
end
@ -1762,6 +1801,7 @@ CODE
s.split("b", 1).map(&:upcase!)
assert_equal("abc", s)
end
def test_squeeze
assert_equal(S("abc"), S("aaabbbbccc").squeeze)
assert_equal(S("aa bb cc"), S("aa bb cc").squeeze(S(" ")))