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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8 | assert_equal 15, ("%b" % (1<<14)).size
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9 | end
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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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