mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Jun Hiroe
458 lines
10 KiB
Ruby
458 lines
10 KiB
Ruby
##
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# String(Ext) Test
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assert('String#getbyte') do
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str1 = "hello"
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bytes1 = [104, 101, 108, 108, 111]
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assert_equal bytes1[0], str1.getbyte(0)
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assert_equal bytes1[-1], str1.getbyte(-1)
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assert_equal bytes1[6], str1.getbyte(6)
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str2 = "\xFF"
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bytes2 = [0xFF]
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assert_equal bytes2[0], str2.getbyte(0)
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end
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assert('String#dump') do
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("\1" * 100).dump # should not raise an exception - regress #1210
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"\0".inspect == "\"\\000\"" and
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"foo".dump == "\"foo\""
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end
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assert('String#strip') do
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s = " abc "
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"".strip == "" and " \t\r\n\f\v".strip == "" and
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"\0a\0".strip == "\0a" and
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"abc".strip == "abc" and
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" abc".strip == "abc" and
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"abc ".strip == "abc" and
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" abc ".strip == "abc" and
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s == " abc "
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end
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assert('String#lstrip') do
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s = " abc "
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s.lstrip
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"".lstrip == "" and " \t\r\n\f\v".lstrip == "" and
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"\0a\0".lstrip == "\0a\0" and
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"abc".lstrip == "abc" and
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" abc".lstrip == "abc" and
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"abc ".lstrip == "abc " and
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" abc ".lstrip == "abc " and
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s == " abc "
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end
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assert('String#rstrip') do
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s = " abc "
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s.rstrip
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"".rstrip == "" and " \t\r\n\f\v".rstrip == "" and
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"\0a\0".rstrip == "\0a" and
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"abc".rstrip == "abc" and
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" abc".rstrip == " abc" and
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"abc ".rstrip == "abc" and
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" abc ".rstrip == " abc" and
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s == " abc "
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end
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assert('String#strip!') do
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s = " abc "
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t = "abc"
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s.strip! == "abc" and s == "abc" and t.strip! == nil
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end
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assert('String#lstrip!') do
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s = " abc "
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t = "abc "
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s.lstrip! == "abc " and s == "abc " and t.lstrip! == nil
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end
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assert('String#rstrip!') do
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s = " abc "
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t = " abc"
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s.rstrip! == " abc" and s == " abc" and t.rstrip! == nil
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end
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assert('String#swapcase') do
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assert_equal "hELLO", "Hello".swapcase
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assert_equal "CyBeR_pUnK11", "cYbEr_PuNk11".swapcase
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end
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assert('String#swapcase!') do
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s = "Hello"
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t = s.clone
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t.swapcase!
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assert_equal s.swapcase, t
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end
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assert('String#concat') do
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s = "Hello "
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s.concat "World!"
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t = "Hello "
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t << "World!"
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assert_equal "Hello World!", t
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assert_equal "Hello World!", s
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end
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assert('String#casecmp') do
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assert_equal 1, "abcdef".casecmp("abcde")
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assert_equal 0, "aBcDeF".casecmp("abcdef")
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assert_equal(-1, "abcdef".casecmp("abcdefg"))
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assert_equal 0, "abcdef".casecmp("ABCDEF")
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o = Object.new
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def o.to_str
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"ABCDEF"
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end
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assert_equal 0, "abcdef".casecmp(o)
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end
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assert('String#start_with?') do
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assert_true "hello".start_with?("heaven", "hell")
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assert_true !"hello".start_with?("heaven", "paradise")
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assert_true !"h".start_with?("heaven", "hell")
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assert_raise TypeError do "hello".start_with?(true) end
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end
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assert('String#end_with?') do
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assert_true "string".end_with?("ing", "mng")
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assert_true !"string".end_with?("str", "tri")
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assert_true !"ng".end_with?("ing", "mng")
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assert_raise TypeError do "hello".end_with?(true) end
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end
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assert('String#partition') do
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assert_equal ["a", "x", "axa"], "axaxa".partition("x")
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assert_equal ["aaaaa", "", ""], "aaaaa".partition("x")
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assert_equal ["", "", "aaaaa"], "aaaaa".partition("")
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assert_equal ["", "a", "aaaa"], "aaaaa".partition("a")
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assert_equal ["aaaa", "b", ""], "aaaab".partition("b")
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assert_equal ["", "b", "aaaa"], "baaaa".partition("b")
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assert_equal ["", "", ""], "".partition("a")
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end
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assert('String#rpartition') do
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assert_equal ["axa", "x", "a"], "axaxa".rpartition("x")
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assert_equal ["", "", "aaaaa"], "aaaaa".rpartition("x")
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assert_equal ["aaaaa", "", ""], "aaaaa".rpartition("")
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assert_equal ["aaaa", "a", ""], "aaaaa".rpartition("a")
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assert_equal ["aaaa", "b", ""], "aaaab".rpartition("b")
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assert_equal ["", "b", "aaaa"], "baaaa".rpartition("b")
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assert_equal ["", "", ""], "".rpartition("a")
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end
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assert('String#hex') do
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assert_equal 16, "10".hex
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assert_equal 255, "ff".hex
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assert_equal 16, "0x10".hex
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assert_equal (-16), "-0x10".hex
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assert_equal 0, "xyz".hex
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assert_equal 16, "10z".hex
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assert_equal 16, "1_0".hex
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assert_equal 0, "".hex
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end
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assert('String#oct') do
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assert_equal 8, "10".oct
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assert_equal 7, "7".oct
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assert_equal 0, "8".oct
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assert_equal 0, "9".oct
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assert_equal 0, "xyz".oct
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assert_equal 8, "10z".oct
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assert_equal 8, "1_0".oct
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assert_equal 8, "010".oct
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assert_equal (-8), "-10".oct
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end
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assert('String#chr') do
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assert_equal "a", "abcde".chr
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end
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assert('String#lines') do
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assert_equal ["Hel\n", "lo\n", "World!"], "Hel\nlo\nWorld!".lines
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assert_equal ["Hel\n", "lo\n", "World!\n"], "Hel\nlo\nWorld!\n".lines
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assert_equal ["\n", "\n", "\n"], "\n\n\n".lines
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assert_equal [], "".lines
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end
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assert('String#clear') do
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# embed string
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s = "foo"
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assert_equal("", s.clear)
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assert_equal("", s)
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# not embed string and not shared string
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s = "foo" * 100
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a = s
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assert_equal("", s.clear)
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assert_equal("", s)
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assert_equal("", a)
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# shared string
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s = "foo" * 100
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a = s[10, 90] # create shared string
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assert_equal("", s.clear) # clear
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assert_equal("", s) # s is cleared
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assert_not_equal("", a) # a should not be affected
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end
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assert('String#slice!') do
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a = "AooBar"
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b = a.dup
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assert_equal "A", a.slice!(0)
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assert_equal "AooBar", b
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a = "FooBar"
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assert_equal "r", a.slice!(-1)
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assert_equal "FooBa", a
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a = "FooBar"
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assert_nil a.slice!(6)
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assert_nil a.slice!(-7)
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assert_equal "FooBar", a
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a = "FooBar"
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assert_equal "Foo", a.slice!(0, 3)
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assert_equal "Bar", a
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a = "FooBar"
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assert_equal "Bar", a.slice!(-3, 3)
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assert_equal "Foo", a
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a = "FooBar"
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assert_equal "", a.slice!(6, 2)
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assert_equal "FooBar", a
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a = "FooBar"
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assert_nil a.slice!(-7,10)
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assert_equal "FooBar", a
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a = "FooBar"
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assert_equal "Foo", a.slice!(0..2)
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assert_equal "Bar", a
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a = "FooBar"
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assert_equal "Bar", a.slice!(-3..-1)
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assert_equal "Foo", a
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a = "FooBar"
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assert_equal "", a.slice!(6..2)
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assert_equal "FooBar", a
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a = "FooBar"
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assert_nil a.slice!(-10..-7)
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assert_equal "FooBar", a
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a = "FooBar"
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assert_equal "Foo", a.slice!("Foo")
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assert_equal "Bar", a
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a = "FooBar"
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assert_nil a.slice!("xyzzy")
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assert_equal "FooBar", a
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assert_raise(ArgumentError) { "foo".slice! }
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end
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assert('String#succ') do
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assert_equal "", "".succ
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assert_equal "1", "0".succ
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assert_equal "10", "9".succ
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assert_equal "01", "00".succ
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assert_equal "a1", "a0".succ
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assert_equal "A1", "A0".succ
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assert_equal "10", "09".succ
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assert_equal "b0", "a9".succ
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assert_equal "B0", "A9".succ
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assert_equal "b", "a".succ
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assert_equal "aa", "z".succ
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assert_equal "ab", "aa".succ
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assert_equal "Ab", "Aa".succ
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assert_equal "0b", "0a".succ
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assert_equal "ba", "az".succ
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assert_equal "Ba", "Az".succ
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assert_equal "1a", "0z".succ
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assert_equal "B", "A".succ
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assert_equal "AA", "Z".succ
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assert_equal "AB", "AA".succ
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assert_equal "aB", "aA".succ
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assert_equal "0B", "0A".succ
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assert_equal "BA", "AZ".succ
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assert_equal "bA", "aZ".succ
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assert_equal "1A", "0Z".succ
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assert_equal ".", "-".succ
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assert_equal "\x01\x00", "\xff".succ
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assert_equal "-b", "-a".succ
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assert_equal "-aa", "-z".succ
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assert_equal "-a-b-", "-a-a-".succ
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assert_equal "-b-", "-a-".succ
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assert_equal "-aa-", "-z-".succ
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assert_equal "あb", "あa".succ
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assert_equal "あba", "あaz".succ
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a = ""; a.succ!
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assert_equal "", a
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a = "0"; a.succ!
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assert_equal "1", a
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a = "9"; a.succ!
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assert_equal "10", a
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a = "00"; a.succ!
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assert_equal "01", a
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a = "a0"; a.succ!
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assert_equal "a1", a
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a = "A0"; a.succ!
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assert_equal "A1", a
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a = "09"; a.succ!
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assert_equal "10", a
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a = "a9"; a.succ!
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assert_equal "b0", a
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a = "A9"; a.succ!
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assert_equal "B0", a
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a = "a"; a.succ!
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assert_equal "b", a
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a = "z"; a.succ!
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assert_equal "aa", a
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a = "aa"; a.succ!
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assert_equal "ab", a
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a = "Aa"; a.succ!
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assert_equal "Ab", a
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a = "0a"; a.succ!
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assert_equal "0b", a
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a = "az"; a.succ!
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assert_equal "ba", a
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a = "Az"; a.succ!
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assert_equal "Ba", a
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a = "0z"; a.succ!
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assert_equal "1a", a
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a = "A"; a.succ!
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assert_equal "B", a
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a = "Z"; a.succ!
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assert_equal "AA", a
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a = "AA"; a.succ!
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assert_equal "AB", a
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a = "aA"; a.succ!
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assert_equal "aB", a
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a = "0A"; a.succ!
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assert_equal "0B", a
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a = "AZ"; a.succ!
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assert_equal "BA", a
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a = "aZ"; a.succ!
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assert_equal "bA", a
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a = "0Z"; a.succ!
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assert_equal "1A", a
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a = "-"; a.succ!
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assert_equal ".", a
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a = "\xff"; a.succ!
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assert_equal "\x01\x00", a
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a = "-a"; a.succ!
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assert_equal "-b", a
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a = "-z"; a.succ!
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assert_equal "-aa", a
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a = "-a-a-"; a.succ!
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assert_equal "-a-b-", a
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a = "-a-"; a.succ!
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assert_equal "-b-", a
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a = "-z-"; a.succ!
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assert_equal "-aa-", a
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a = "あa"; a.succ!
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assert_equal "あb", a
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a = "あaz"; a.succ!
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assert_equal "あba", a
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end
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assert('String#next') do
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assert_equal "01", "00".next
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a = "00"; a.next!
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assert_equal "01", a
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end
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assert('String#insert') do
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assert_equal "Xabcd", "abcd".insert(0, 'X')
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assert_equal "abcXd", "abcd".insert(3, 'X')
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assert_equal "abcdX", "abcd".insert(4, 'X')
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assert_equal "abXcd", "abcd".insert(-3, 'X')
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assert_equal "abcdX", "abcd".insert(-1, 'X')
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assert_raise(IndexError) { "abcd".insert(5, 'X') }
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assert_raise(IndexError) { "abcd".insert(-6, 'X') }
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end
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assert('String#prepend') do
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a = "world"
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assert_equal "hello world", a.prepend("hello ")
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assert_equal "hello world", a
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end
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assert('String#ljust') do
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assert_equal "hello", "hello".ljust(4)
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assert_equal "hello ", "hello".ljust(20)
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assert_equal "hello123412341234123", "hello".ljust(20, '1234')
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assert_equal "hello", "hello".ljust(-3)
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end
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assert('String#upto') do
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a = "aa"
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start = "aa"
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count = 0
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assert_equal("aa", a.upto("zz") {|s|
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assert_equal(start, s)
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start.succ!
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count += 1
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})
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assert_equal(676, count)
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a = "a"
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start = "a"
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count = 0
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assert_equal("a", a.upto("a") {|s|
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assert_equal(start, s)
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start.succ!
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count += 1
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})
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assert_equal(1, count)
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a = "a"
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start = "a"
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count = 0
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assert_equal("a", a.upto("b", true) {|s|
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assert_equal(start, s)
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start.succ!
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count += 1
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})
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assert_equal(1, count)
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a = "0"
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start = "0"
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count = 0
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assert_equal("0", a.upto("0") {|s|
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assert_equal(start, s)
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start.succ!
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count += 1
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})
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assert_equal(1, count)
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a = "0"
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start = "0"
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count = 0
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assert_equal("0", a.upto("-1") {|s|
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assert_equal(start, s)
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start.succ!
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count += 1
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})
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assert_equal(0, count)
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a = "-1"
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start = "-1"
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count = 0
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assert_equal("-1", a.upto("-2") {|s|
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assert_equal(start, s)
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start.succ!
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count += 1
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})
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assert_equal(2, count)
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end
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