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func main()
str := "Hello Amélie!"
say("Testing strings like $str")
assert str.upper() == "HELLO AMÉLIE!"
assert str.lower() == "hello amélie!"
assert str.lower().title() == "Hello Amélie!"
assert str[1] == "H"
assert "I".lower() == "i"
assert "I".lower(language="tr_TR") == "ı"
assert "i".upper() == "I"
assert "i".upper(language="tr_TR") == "İ"
assert "ian".title() == "Ian"
assert "ian".title(language="tr_TR") == "İan"
assert "I".caseless_equals("ı") == no
assert "I".caseless_equals("ı", language="tr_TR") == yes
assert str[9] == "é"
assert str[99] == none
assert "\{UE9}" == "é"
assert "\{U65}\{U301}" == "é"
assert "\{Penguin}".codepoint_names() == ["PENGUIN"]
assert "\[31;1]" == "\e[31;1m"
assert "\{UE9}" == "\{U65}\{U301}"
amelie := "Am\{UE9}lie"
assert amelie.split() == ["A", "m", "é", "l", "i", "e"]
assert amelie.utf32() == [65, 109, 233, 108, 105, 101]
assert amelie.utf8() == [0x41, 0x6D, 0xC3, 0xA9, 0x6C, 0x69, 0x65]
assert Text.from_utf8([0x41, 0x6D, 0xC3, 0xA9, 0x6C, 0x69, 0x65])! == "Amélie"
assert Text.from_utf8([Byte(0xFF)]) == none
amelie2 := "Am\{U65}\{U301}lie"
assert amelie2.split() == ["A", "m", "é", "l", "i", "e"]
assert amelie2.utf32() == [65, 109, 233, 108, 105, 101]
assert amelie2.utf8() == [0x41, 0x6D, 0xC3, 0xA9, 0x6C, 0x69, 0x65]
assert amelie.codepoint_names() == ["LATIN CAPITAL LETTER A", "LATIN SMALL LETTER M", "LATIN SMALL LETTER E WITH ACUTE", "LATIN SMALL LETTER L", "LATIN SMALL LETTER I", "LATIN SMALL LETTER E"]
assert amelie2.codepoint_names() == ["LATIN CAPITAL LETTER A", "LATIN SMALL LETTER M", "LATIN SMALL LETTER E WITH ACUTE", "LATIN SMALL LETTER L", "LATIN SMALL LETTER I", "LATIN SMALL LETTER E"]
assert "Hello".replace("e", "X") == "HXllo"
assert "Hello".has("l") == yes
assert "Hello".has("x") == no
assert "Hello".replace("l", "") == "Heo"
assert "xxxx".replace("x", "") == ""
assert "xxxx".replace("y", "") == "xxxx"
assert "One two three four five six".replace("e ", "") == "Ontwo threfour fivsix"
assert amelie.has(amelie2) == yes
multiline := "
line one
line two
"
assert multiline == "line one\nline two"
say("Interpolation tests:")
assert "A $(1+2)" == "A 3"
assert "A \$(1+2)" == "A \$(1+2)"
assert 'A $(1+2)' == "A 3"
assert `A @(1+2)` == "A 3"
c := "É̩"
assert c.codepoint_names() == ["LATIN CAPITAL LETTER E WITH ACUTE", "COMBINING VERTICAL LINE BELOW"]
assert c == Text.from_codepoint_names(c.codepoint_names())!
assert c == Text.from_utf32(c.utf32())!
assert c == Text.from_utf8(c.utf8())!
assert "one\ntwo\nthree".lines() == ["one", "two", "three"]
assert "one\ntwo\nthree\n".lines() == ["one", "two", "three"]
assert "one\ntwo\nthree\n\n".lines() == ["one", "two", "three", ""]
assert "one\r\ntwo\r\nthree\r\n".lines() == ["one", "two", "three"]
assert "".lines() == []
say("Test splitting and joining text:")
assert "one,, two,three".split(",") == ["one", "", " two", "three"]
assert [t for t in "one,, two,three".by_split(",")] == ["one", "", " two", "three"]
assert "one,, two,three".split_any(", ") == ["one", "two", "three"]
assert [t for t in "one,, two,three".by_split_any(", ")] == ["one", "two", "three"]
assert ",one,, two,three,".split(",") == ["", "one", "", " two", "three", ""]
assert [t for t in ",one,, two,three,".by_split(",")] == ["", "one", "", " two", "three", ""]
assert ",one,, two,three,".split_any(", ") == ["", "one", "two", "three", ""]
assert [t for t in ",one,, two,three,".by_split_any(", ")] == ["", "one", "two", "three", ""]
assert "abc".split() == ["a", "b", "c"]
assert "one two three".split_any() == ["one", "two", "three"]
assert ", ".join(["one", "two", "three"]) == "one, two, three"
assert "".join(["one", "two", "three"]) == "onetwothree"
assert "+".join(["one"]) == "one"
assert "+".join([]) == ""
assert "".split() == []
say("Test text slicing:")
assert "abcdef".slice() == "abcdef"
assert "abcdef".slice(from=3) == "cdef"
assert "abcdef".slice(to=-2) == "abcde"
assert "abcdef".slice(from=2, to=4) == "bcd"
assert "abcdef".slice(from=5, to=1) == ""
house := "家"
assert house == "家"
assert house.length == 1
assert house.codepoint_names() == ["CJK Unified Ideographs-5BB6"]
assert house.utf32() == [23478]
assert "🐧".codepoint_names() == ["PENGUIN"]
assert Text.from_codepoint_names(["not a valid name here buddy"]) == none
assert "Hello".replace("ello", "i") == "Hi"
assert "<tag>".translate({"<"="<", ">"=">"}) == "<tag>"
assert "Abc".repeat(3) == "AbcAbcAbc"
assert "abcde".starts_with("ab") == yes
assert "abcde".starts_with("bc") == no
assert "abcde".ends_with("de") == yes
assert "abcde".starts_with("cd") == no
assert "abcde".without_prefix("ab") == "cde"
assert "abcde".without_suffix("ab") == "abcde"
assert "abcde".without_prefix("de") == "abcde"
assert "abcde".without_suffix("de") == "abc"
assert ("hello" ++ " " ++ "Amélie").reversed() == "eilémA olleh"
do
say("Testing concatenation-stability:")
ab := Text.from_codepoint_names(["LATIN SMALL LETTER E", "COMBINING VERTICAL LINE BELOW"])!
assert ab.codepoint_names() == ["LATIN SMALL LETTER E", "COMBINING VERTICAL LINE BELOW"]
assert ab.length == 1
a := Text.from_codepoint_names(["LATIN SMALL LETTER E"])!
b := Text.from_codepoint_names(["COMBINING VERTICAL LINE BELOW"])!
assert (a++b).codepoint_names() == ["LATIN SMALL LETTER E", "COMBINING VERTICAL LINE BELOW"]
assert (a++b) == ab
assert (a++b).length == 1
do
concat := "e" ++ Text.from_utf32([Int32(0x300)])!
assert concat.length == 1
concat2 := concat ++ Text.from_utf32([Int32(0x302)])!
assert concat2.length == 1
concat3 := concat2 ++ Text.from_utf32([Int32(0x303)])!
assert concat3.length == 1
final := Text.from_utf32([Int32(0x65), Int32(0x300), Int32(0x302), Int32(0x303)])!
assert final.length == 1
assert concat3 == final
concat4 := Text.from_utf32([Int32(0x65), Int32(0x300)])! ++ Text.from_utf32([Int32(0x302), Int32(0x303)])!
assert concat4.length == 1
assert concat4 == final
assert "x".left_pad(5) == " x"
assert "x".right_pad(5) == "x "
assert "x".middle_pad(5) == " x "
assert "1234".left_pad(8, "XYZ") == "XYZX1234"
assert "1234".right_pad(8, "XYZ") == "1234XYZX"
assert "1234".middle_pad(9, "XYZ") == "XY1234XYZ"
assert amelie.width() == 6
assert " one, ".trim(" ,") == "one"
assert " one, ".trim(" ,", left=no) == " one"
assert " one, ".trim(" ,", right=no) == "one, "
assert " ".trim(" ,") == ""
assert " ".trim(" ,", left=no) == ""
do
test := "𤭢"
assert test.utf32() == [150370]
assert test.utf16() == [-10158, -8350]
assert test.utf8() == [0xf0, 0xa4, 0xad, 0xa2]
assert Text.from_utf32([150370]) == test
assert Text.from_utf16([-10158, -8350]) == test
assert Text.from_utf8([0xf0, 0xa4, 0xad, 0xa2]) == test
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