summaryrefslogtreecommitdiff
path: root/ruby_1_8_5/test/ruby/test_stringchar.rb
diff options
context:
space:
mode:
Diffstat (limited to 'ruby_1_8_5/test/ruby/test_stringchar.rb')
-rw-r--r--ruby_1_8_5/test/ruby/test_stringchar.rb166
1 files changed, 166 insertions, 0 deletions
diff --git a/ruby_1_8_5/test/ruby/test_stringchar.rb b/ruby_1_8_5/test/ruby/test_stringchar.rb
new file mode 100644
index 0000000000..34934e87bd
--- /dev/null
+++ b/ruby_1_8_5/test/ruby/test_stringchar.rb
@@ -0,0 +1,166 @@
+require 'test/unit'
+
+class TestStringchar < Test::Unit::TestCase
+ def test_string
+ assert_equal("abcd", "abcd")
+ assert_match(/abcd/, "abcd")
+ assert("abcd" === "abcd")
+ # compile time string concatenation
+ assert_equal("abcd", "ab" "cd")
+ assert_equal("22aacd44", "#{22}aa" "cd#{44}")
+ assert_equal("22aacd445566", "#{22}aa" "cd#{44}" "55" "#{66}")
+ assert("abc" !~ /^$/)
+ assert("abc\n" !~ /^$/)
+ assert("abc" !~ /^d*$/)
+ assert_equal(3, ("abc" =~ /d*$/))
+ assert("" =~ /^$/)
+ assert("\n" =~ /^$/)
+ assert("a\n\n" =~ /^$/)
+ assert("abcabc" =~ /.*a/); assert_equal("abca", $&)
+ assert("abcabc" =~ /.*c/); assert_equal("abcabc", $&)
+ assert("abcabc" =~ /.*?a/); assert_equal("a", $&)
+ assert("abcabc" =~ /.*?c/); assert_equal("abc", $&)
+ assert(/(.|\n)*?\n(b|\n)/ =~ "a\nb\n\n"); assert_equal("a\nb", $&)
+
+ assert(/^(ab+)+b/ =~ "ababb"); assert_equal("ababb", $&)
+ assert(/^(?:ab+)+b/ =~ "ababb"); assert_equal("ababb", $&)
+ assert(/^(ab+)+/ =~ "ababb"); assert_equal("ababb", $&)
+ assert(/^(?:ab+)+/ =~ "ababb"); assert_equal("ababb", $&)
+
+ assert(/(\s+\d+){2}/ =~ " 1 2"); assert_equal(" 1 2", $&)
+ assert(/(?:\s+\d+){2}/ =~ " 1 2"); assert_equal(" 1 2", $&)
+
+ $x = <<END;
+ABCD
+ABCD
+END
+ $x.gsub!(/((.|\n)*?)B((.|\n)*?)D/){$1+$3}
+ assert_equal("AC\nAC\n", $x)
+
+ assert("foobar" =~ /foo(?=(bar)|(baz))/)
+ assert("foobaz" =~ /foo(?=(bar)|(baz))/)
+
+ $foo = "abc"
+ assert_equal("abc = abc", "#$foo = abc")
+ assert_equal("abc = abc", "#{$foo} = abc")
+
+ foo = "abc"
+ assert_equal("abc = abc", "#{foo} = abc")
+
+ assert_equal('-----', '-' * 5)
+ assert_equal('-', '-' * 1)
+ assert_equal('', '-' * 0)
+
+ foo = '-'
+ assert_equal('-----', foo * 5)
+ assert_equal('-', foo * 1)
+ assert_equal('', foo * 0)
+
+ $x = "a.gif"
+ assert_equal("gif", $x.sub(/.*\.([^\.]+)$/, '\1'))
+ assert_equal("b.gif", $x.sub(/.*\.([^\.]+)$/, 'b.\1'))
+ assert_equal("", $x.sub(/.*\.([^\.]+)$/, '\2'))
+ assert_equal("ab", $x.sub(/.*\.([^\.]+)$/, 'a\2b'))
+ assert_equal("<a.gif>", $x.sub(/.*\.([^\.]+)$/, '<\&>'))
+ end
+
+ def test_char
+ # character constants(assumes ASCII)
+ assert_equal(?a, "a"[0])
+ assert_equal(?a, ?a)
+ assert_equal(1, ?\C-a)
+ assert_equal(225, ?\M-a)
+ assert_equal(129, ?\M-\C-a)
+ assert_equal(?A, "a".upcase![0])
+ assert_equal(?a, "A".downcase![0])
+ assert_equal("ABC", "abc".tr!("a-z", "A-Z"))
+ assert_equal("ABC", "aabbcccc".tr_s!("a-z", "A-Z"))
+ assert_equal("abc", "abcc".squeeze!("a-z"))
+ assert_equal("ad", "abcd".delete!("bc"))
+
+ $x = "abcdef"
+ $y = [ ?a, ?b, ?c, ?d, ?e, ?f ]
+ $bad = false
+ $x.each_byte {|i|
+ if i != $y.shift
+ $bad = true
+ break
+ end
+ }
+ assert(!$bad)
+
+ s = "a string"
+ s[0..s.size]="another string"
+ assert_equal("another string", s)
+
+ s = <<EOS
+#{
+[1,2,3].join(",")
+}
+EOS
+ assert_equal("1,2,3\n", s)
+ assert_equal(926381, "Just".to_i(36))
+ assert_equal(-23200231779, "-another".to_i(36))
+ assert_equal("ruby", 1299022.to_s(36))
+ assert_equal("-hacker", -1045307475.to_s(36))
+ assert_equal(265419172580680477752431643787347, "Just_another_Ruby_hacker".to_i(36))
+ assert_equal("-justanotherrubyhacker", -265419172580680477752431643787347.to_s(36))
+
+ a = []
+ (0..255).each {|n|
+ ch = [n].pack("C")
+ a.push ch if /a#{Regexp.quote ch}b/x =~ "ab"
+ }
+ assert_equal(0, a.size)
+ end
+
+ def test_bang
+ s = "aBc"
+ s.upcase
+ assert_equal("aBc", s)
+ s.upcase!
+ assert_equal("ABC", s)
+
+ s = "aBc"
+ s.downcase
+ assert_equal("aBc", s)
+ s.downcase!
+ assert_equal("abc", s)
+
+ s = "aBc"
+ s.swapcase
+ assert_equal("aBc", s)
+ s.swapcase!
+ assert_equal("AbC", s)
+
+ s = "aBc"
+ s.capitalize
+ assert_equal("aBc", s)
+ s.capitalize!
+ assert_equal("Abc", s)
+
+ s = "aBc"
+ s.tr("a-z", "A-Z")
+ assert_equal("aBc", s)
+ s.tr!("a-z", "A-Z")
+ assert_equal("ABC", s)
+
+ s = "aaBBcc"
+ s.tr_s("a-z", "A-Z")
+ assert_equal("aaBBcc", s)
+ s.tr_s!("a-z", "A-Z")
+ assert_equal("ABBC", s)
+
+ s = "aaBBcc"
+ s.squeeze("a-z")
+ assert_equal("aaBBcc", s)
+ s.squeeze!("a-z")
+ assert_equal("aBBc", s)
+
+ s = "aaBBcc"
+ s.delete("a-z")
+ assert_equal("aaBBcc", s)
+ s.delete!("a-z")
+ assert_equal("BB", s)
+ end
+end