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########################################################################
# test_drive_number.rb
#
# Test suite for the Pathname#drive_number method
########################################################################
require 'test-unit'
require 'pathname2'
class TC_Pathname_DriveNumber < Test::Unit::TestCase
def setup
@abs_path = Pathname.new("C:\\Program Files")
@unc_path = Pathname.new("\\\\foo\\bar\\baz")
@rel_path = Pathname.new("foo\\bar\\baz")
end
test "drive_number method returns expected results for absolute paths" do
assert_equal(2, @abs_path.drive_number)
end
test "drive_number method returns expected results for paths with forward slashes" do
assert_equal(2, Pathname.new("C:/Program Files").drive_number)
end
test "drive_number method returns expected results for unc paths" do
assert_nil(@unc_path.drive_number)
assert_nil(Pathname.new("\\\\foo").drive_number)
assert_nil(Pathname.new("\\\\").drive_number)
end
test "drive_number method returns dot for relative paths" do
assert_nil(@rel_path.drive_number)
end
test "drive_number method returns expected result for root path" do
assert_equal(25, Pathname.new("Z:\\").drive_number)
end
test "drive_number method returns expected result for empty string" do
assert_nil(Pathname.new("").drive_number)
end
test "drive_number method returns expected result for dot and dotdot" do
assert_nil(Pathname.new(".").drive_number)
assert_nil(Pathname.new("..").drive_number)
end
test "drive_number method is not destructive" do
str = 'C:/Program Files'
assert_nothing_raised{ Pathname.new(str).drive_number }
assert_equal('C:/Program Files', str)
end
def teardown
@abs_path = nil
@unc_path = nil
@rel_path = nil
end
end
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