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# Copyright (C) 2015-2021 Ruby-GNOME Project Team
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
class TestRegex < Test::Unit::TestCase
include GLibTestUtils
def test_enum_match_flags
assert_const_defined(GLib, :RegexMatchFlags)
assert_kind_of(GLib::RegexMatchFlags, GLib::RegexMatchFlags::PARTIAL_HARD)
end
def test_enum_compile_flags
assert_const_defined(GLib, :RegexCompileFlags)
assert_kind_of(GLib::RegexCompileFlags, GLib::RegexCompileFlags::CASELESS)
end
def test_pattern
regex = GLib::Regex.new("to??")
assert_equal("to??", regex.pattern)
end
def test_compile_flags
flags = GLib::RegexCompileFlags::CASELESS
regex = GLib::Regex.new("to??", :compile_options => flags)
assert_equal(flags, regex.compile_flags)
end
def test_match_flags
flags = GLib::RegexMatchFlags::PARTIAL_HARD
regex = GLib::Regex.new("to??", :match_options => flags)
assert_equal(flags, regex.match_flags)
end
sub_test_case "split" do
test "no options" do
regex = GLib::Regex.new("\s")
string_to_split = "a bc"
split_strings = regex.split(string_to_split)
assert_equal(["a", "bc"], split_strings)
end
test "start_position" do
regex = GLib::Regex.new("\s")
string_to_split = "a bc"
split_strings = regex.split(string_to_split, :start_position => 2)
assert_equal(["bc"], split_strings)
end
test "max_tokens" do
regex = GLib::Regex.new("\s")
string_to_split = "a bc de fg"
split_strings = regex.split(string_to_split, :max_tokens => 2)
assert_equal(["a", "bc de fg"], split_strings)
end
test "match_options" do
regex = GLib::Regex.new("a?b?")
string_to_split = "toto ab"
split_strings = regex.split(string_to_split)
assert_equal(["t", "o", "t", "o", " "],
split_strings)
split_strings = regex.split(string_to_split,
:match_options => :notempty)
assert_equal(["toto ", ""], split_strings)
end
end
sub_test_case "match" do
setup do
@regex = GLib::Regex.new("[A-Z]+")
end
test "no match no options" do
match_info = @regex.match("abc def")
assert do
not match_info.matches?
end
end
test "matched no options" do
match_info = @regex.match("abc DEF")
assert do
match_info.matches?
end
end
test "no match and start position option" do
match_info = @regex.match("abc def", :start_position => 4)
assert do
not match_info.matches?
end
end
test "matched and start position option" do
match_info = @regex.match("abc DEF", :start_position => 4)
assert do
match_info.matches?
end
end
end
sub_test_case "max_backref" do
test "none" do
regex = GLib::Regex.new("to?o")
assert_equal(0, regex.max_backref)
end
test "one" do
regex = GLib::Regex.new("(to(?)o)\\g1")
assert_equal(1, regex.max_backref)
end
end
sub_test_case "capture_count" do
test "none" do
regex = GLib::Regex.new("to?o")
assert_equal(0, regex.capture_count)
end
test "one" do
regex = GLib::Regex.new("(to(\?)o)")
assert_equal(1, regex.capture_count)
end
test "three" do
regex = GLib::Regex.new("((red|white) (king|queen))")
assert_equal(3, regex.capture_count)
end
end
sub_test_case "has_cr_or_lf" do
test "none" do
regex = GLib::Regex.new("to?o")
assert do
not regex.has_cr_or_lf?
end
end
test "both" do
regex = GLib::Regex.new("to\no")
assert do
regex.has_cr_or_lf?
end
end
test "cr" do
regex = GLib::Regex.new("to\rtiti")
assert do
regex.has_cr_or_lf?
end
end
end
sub_test_case "max_lookbehind" do
test "none" do
regex = GLib::Regex.new("to?o")
assert_equal(0, regex.max_lookbehind)
end
test "three" do
regex = GLib::Regex.new("(?<!foo)bar")
assert_equal(3, regex.max_lookbehind)
end
end
sub_test_case "string_number" do
test "none" do
regex = GLib::Regex.new("too")
assert_equal(-1, regex.string_number("a_name"))
end
test "one" do
regex = GLib::Regex.new("(?<a_name>foo)bar")
assert_equal(1, regex.string_number("a_name"))
end
test "two" do
regex = GLib::Regex.new("(?<another_name>foo)(?<a_name>bar)")
assert_equal(2, regex.string_number("a_name"))
end
end
def test_regex_escape_string
assert_equal("a\\.b\\*c", GLib::Regex.escape_string("a.b*c"))
end
sub_test_case "match?" do
test "true" do
assert do
GLib::Regex.match?("to", "tatota")
end
end
test "false" do
assert do
not GLib::Regex.match?("ti", "tatota")
end
end
end
sub_test_case "match_all" do
test "no match" do
regex = GLib::Regex.new("[A-Z]+")
assert do
not regex.match_all("abc def").matches?
end
end
test ":start_position" do
regex = GLib::Regex.new("[A-Z]")
assert do
regex.match_all("a B c", :start_position => 2).matches?
end
assert do
not regex.match_all("a B c", :start_position => 3).matches?
end
end
test "match all" do
regex = GLib::Regex.new("<.*>")
assert_equal(3, regex.match_all("<a> <b> <c>").match_count)
end
end
sub_test_case "split simple" do
test "no options" do
split_strings = GLib::Regex.split("\s", "a bc")
assert_equal(["a", "bc"], split_strings)
end
test "match_options" do
split_strings = GLib::Regex.split("a?b?", "toto ab")
assert_equal(["t", "o", "t", "o", " "], split_strings)
split_strings = GLib::Regex.split("a?b?",
"toto ab",
:match_options => :notempty)
assert_equal(["toto ", ""], split_strings)
end
end
sub_test_case "replace" do
test "simple" do
regex = GLib::Regex.new("\\s")
assert_equal("a_bc", regex.replace("a bc", "_"))
end
test "back reference" do
regex = GLib::Regex.new("\\s")
assert_equal("a_ _bc", regex.replace("a bc", "_\\0_"))
end
test "literal" do
regex = GLib::Regex.new("\\s")
assert_equal("a_\\0_bc",
regex.replace("a bc",
"_\\0_",
:literal => true))
end
sub_test_case "eval" do
test "all" do
regex = GLib::Regex.new("1|2|3|4")
modified_string = regex.replace(" 4 3 2 1") do |match_info|
"to"
end
assert_equal(" to to to to", modified_string)
end
test "break" do
regex = GLib::Regex.new("1|2|3|4")
modified_string = regex.replace(" 4 3 2 1") do |match_info|
break "to"
end
assert_equal(" to 3 2 1", modified_string)
end
end
end
sub_test_case "check_replacement" do
test "no references" do
assert_true(GLib::Regex.check_replacement("foo\\n"))
end
test "with references" do
assert_true(GLib::Regex.check_replacement("\\0\\1"))
end
test "invalid" do
assert_raise(GLib::Error) do
GLib::Regex.check_replacement("\\")
end
end
end
sub_test_case "have_reference?" do
test "no references" do
assert do
not GLib::Regex.have_reference?("foo\\n")
end
end
test "with references" do
assert do
GLib::Regex.have_reference?("\\0\\1")
end
end
end
end
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