calog/vendor/mruby/mrbgems/mruby-sprintf/test/sprintf.rb
2026-07-04 20:25:00 -05:00

108 lines
3 KiB
Ruby
Vendored

assert('sprintf invalid') do
assert_raise(ArgumentError) { sprintf('%1$*d', 3) }
assert_raise(ArgumentError) { sprintf('%1$.*d', 3) }
end
assert('String#%') do
assert_equal "one=1", "one=%d" % 1
assert_equal "1 one", "%d %s" % [ 1, "one" ]
assert_equal "123 < 456", "%{num} < %<str>s" % { num: 123, str: "456" }
assert_equal 15, ("%b" % (1<<14)).size
skip unless Object.const_defined?(:Float)
assert_equal "1.0", "%3.1f" % 1.01
assert_equal " 12345.12", "% 4.2f" % 12345.1234
assert_equal "12345.12", "%-4.2f" % 12345.12345
assert_equal "+12345.12", "%+4.2f" % 12345.1234
assert_equal "12345.12", "%04.2f" % 12345.12345
assert_equal "0012345.12", "%010.2f" % 12345.1234
end
assert('String#% with inf') do
skip unless Object.const_defined?(:Float)
inf = Float::INFINITY
assert_equal "Inf", "%f" % inf
assert_equal "Inf", "%2f" % inf
assert_equal "Inf", "%3f" % inf
assert_equal " Inf", "%4f" % inf
assert_equal " Inf", "%5f" % inf
assert_equal "+Inf", "%+f" % inf
assert_equal "+Inf", "%+2f" % inf
assert_equal "+Inf", "%+3f" % inf
assert_equal "+Inf", "%+4f" % inf
assert_equal " +Inf", "%+5f" % inf
assert_equal "Inf", "%-f" % inf
assert_equal "Inf", "%-2f" % inf
assert_equal "Inf", "%-3f" % inf
assert_equal "Inf ", "%-4f" % inf
assert_equal "Inf ", "%-5f" % inf
assert_equal " Inf", "% f" % inf
assert_equal " Inf", "% 2f" % inf
assert_equal " Inf", "% 3f" % inf
assert_equal " Inf", "% 4f" % inf
assert_equal " Inf", "% 5f" % inf
end
assert('String#% with nan') do
skip unless Object.const_defined?(:Float)
nan = Float::NAN
assert_equal "NaN", "%f" % nan
assert_equal "NaN", "%2f" % nan
assert_equal "NaN", "%3f" % nan
assert_equal " NaN", "%4f" % nan
assert_equal " NaN", "%5f" % nan
assert_equal "+NaN", "%+f" % nan
assert_equal "+NaN", "%+2f" % nan
assert_equal "+NaN", "%+3f" % nan
assert_equal "+NaN", "%+4f" % nan
assert_equal " +NaN", "%+5f" % nan
assert_equal "NaN", "%-f" % nan
assert_equal "NaN", "%-2f" % nan
assert_equal "NaN", "%-3f" % nan
assert_equal "NaN ", "%-4f" % nan
assert_equal "NaN ", "%-5f" % nan
assert_equal " NaN", "% f" % nan
assert_equal " NaN", "% 2f" % nan
assert_equal " NaN", "% 3f" % nan
assert_equal " NaN", "% 4f" % nan
assert_equal " NaN", "% 5f" % nan
end
assert("String#% %b") do
assert_equal("..10115", "%0b5" % -5)
end
assert("String#% %d") do
assert_equal(" 10", "%4d" % 10)
assert_equal("1000", "%4d" % 1000)
assert_equal("10000", "%4d" % 10000)
end
assert("String#% invalid format") do
assert_raise ArgumentError do
"%?" % ""
end
end
assert("sprintf with to_s mutating format string") do
# The to_s callback must not be able to invalidate sprintf's internal
# iteration pointers by mutating the format string.
fmt = "%s" + "B" * 200
mutator = Object.new
$sprintf_test_fmt = fmt
def mutator.to_s
$sprintf_test_fmt.replace("Z")
"ok"
end
result = sprintf(fmt, mutator)
assert_equal 202, result.length
assert_equal "ok", result[0, 2]
assert_equal "B" * 200, result[2..]
end