[270] | 1 | #assert('Kernel.sprintf') do
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| 2 | #end
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| 3 |
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| 4 | assert('String#%') do
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| 5 | assert_equal "one=1", "one=%d" % 1
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| 6 | assert_equal "1 one 1.0", "%d %s %3.1f" % [ 1, "one", 1.01 ]
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| 7 | assert_equal "123 < 456", "%{num} < %<str>s" % { num: 123, str: "456" }
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[331] | 8 | assert_equal 15, ("%b" % (1<<14)).size
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[270] | 9 | end
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[331] | 10 |
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| 11 | assert('String#% with inf') do
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| 12 | inf = Float::INFINITY
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| 13 |
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| 14 | assert_equal "Inf", "%f" % inf
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| 15 | assert_equal "Inf", "%2f" % inf
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| 16 | assert_equal "Inf", "%3f" % inf
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| 17 | assert_equal " Inf", "%4f" % inf
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| 18 | assert_equal " Inf", "%5f" % inf
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| 19 |
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| 20 | assert_equal "+Inf", "%+f" % inf
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| 21 | assert_equal "+Inf", "%+2f" % inf
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| 22 | assert_equal "+Inf", "%+3f" % inf
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| 23 | assert_equal "+Inf", "%+4f" % inf
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| 24 | assert_equal " +Inf", "%+5f" % inf
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| 25 |
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| 26 | assert_equal "Inf", "%-f" % inf
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| 27 | assert_equal "Inf", "%-2f" % inf
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| 28 | assert_equal "Inf", "%-3f" % inf
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| 29 | assert_equal "Inf ", "%-4f" % inf
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| 30 | assert_equal "Inf ", "%-5f" % inf
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| 31 |
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| 32 | assert_equal " Inf", "% f" % inf
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| 33 | assert_equal " Inf", "% 2f" % inf
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| 34 | assert_equal " Inf", "% 3f" % inf
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| 35 | assert_equal " Inf", "% 4f" % inf
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| 36 | assert_equal " Inf", "% 5f" % inf
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| 37 | end
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| 38 |
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| 39 | assert('String#% with nan') do
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| 40 | nan = Float::NAN
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| 41 |
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| 42 | assert_equal "NaN", "%f" % nan
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| 43 | assert_equal "NaN", "%2f" % nan
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| 44 | assert_equal "NaN", "%3f" % nan
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| 45 | assert_equal " NaN", "%4f" % nan
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| 46 | assert_equal " NaN", "%5f" % nan
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| 47 |
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| 48 | assert_equal "+NaN", "%+f" % nan
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| 49 | assert_equal "+NaN", "%+2f" % nan
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| 50 | assert_equal "+NaN", "%+3f" % nan
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| 51 | assert_equal "+NaN", "%+4f" % nan
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| 52 | assert_equal " +NaN", "%+5f" % nan
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| 53 |
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| 54 | assert_equal "NaN", "%-f" % nan
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| 55 | assert_equal "NaN", "%-2f" % nan
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| 56 | assert_equal "NaN", "%-3f" % nan
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| 57 | assert_equal "NaN ", "%-4f" % nan
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| 58 | assert_equal "NaN ", "%-5f" % nan
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| 59 |
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| 60 | assert_equal " NaN", "% f" % nan
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| 61 | assert_equal " NaN", "% 2f" % nan
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| 62 | assert_equal " NaN", "% 3f" % nan
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| 63 | assert_equal " NaN", "% 4f" % nan
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| 64 | assert_equal " NaN", "% 5f" % nan
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| 65 | end
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| 66 |
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| 67 | assert("String#% with invalid chr") do
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| 68 | begin
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| 69 | class Fixnum
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| 70 | alias_method :chr_, :chr if method_defined?(:chr)
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| 71 |
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| 72 | def chr
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| 73 | nil
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| 74 | end
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| 75 | end
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| 76 |
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| 77 | assert_raise TypeError do
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| 78 | "%c" % 0
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| 79 | end
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| 80 | ensure
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| 81 | class Fixnum
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| 82 | if method_defined?(:chr_)
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| 83 | alias_method :chr, :chr_
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| 84 | remove_method :chr_
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| 85 | end
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| 86 | end
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| 87 | end
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| 88 | end
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| 89 |
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| 90 | assert("String#% %b") do
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| 91 | assert_equal("..10115", "%0b5" % -5)
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| 92 | end
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| 93 |
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| 94 | assert("String#% invalid format") do
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| 95 | assert_raise ArgumentError do
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| 96 | "%?" % ""
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| 97 | end
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| 98 | end
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| 99 |
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| 100 | assert("String#% invalid format shared substring") do
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| 101 | fmt = ("x"*30+"%!")[0...-1]
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| 102 | assert_equal fmt, sprintf(fmt, "")
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| 103 | end
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