first commit

nghttp2/third-party/mruby/mrbgems/mruby-sprintf/mrbgem.rake

@@ -0,0 +1,5 @@
+MRuby::Gem::Specification.new('mruby-sprintf') do |spec|
+  spec.license = 'MIT'
+  spec.author  = 'mruby developers'
+  spec.summary = 'standard Kernel#sprintf method'
+end

nghttp2/third-party/mruby/mrbgems/mruby-sprintf/mrblib/string.rb

@@ -0,0 +1,9 @@
+class String
+  def %(args)
+    if args.is_a? Array
+      sprintf(self, *args)
+    else
+      sprintf(self, args)
+    end
+  end
+end

nghttp2/third-party/mruby/mrbgems/mruby-sprintf/src/kernel.c

@@ -0,0 +1,30 @@
+/*
+** kernel.c - Kernel module suppliment
+**
+** See Copyright Notice in mruby.h
+*/
+
+#include <mruby.h>
+
+mrb_value mrb_f_sprintf(mrb_state *mrb, mrb_value obj); /* in sprintf.c */
+
+void
+mrb_mruby_sprintf_gem_init(mrb_state* mrb)
+{
+  struct RClass *krn;
+
+  if (mrb->kernel_module == NULL) {
+    mrb->kernel_module = mrb_define_module(mrb, "Kernel"); /* Might be PARANOID. */
+  }
+  krn = mrb->kernel_module;
+
+  mrb_define_method(mrb, krn, "sprintf", mrb_f_sprintf, MRB_ARGS_REQ(1)|MRB_ARGS_REST());
+  mrb_define_method(mrb, krn, "format",  mrb_f_sprintf, MRB_ARGS_REQ(1)|MRB_ARGS_REST());
+}
+
+void
+mrb_mruby_sprintf_gem_final(mrb_state* mrb)
+{
+  /* nothing to do. */
+}
+

nghttp2/third-party/mruby/mrbgems/mruby-sprintf/test/sprintf.rb

@@ -0,0 +1,95 @@
+#assert('Kernel.sprintf') do
+#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 " 123456789.12", "% 4.2f" % 123456789.123456789
+  assert_equal "123456789.12", "%-4.2f" % 123456789.123456789
+  assert_equal "+123456789.12", "%+4.2f" % 123456789.123456789
+  assert_equal "123456789.12", "%04.2f" % 123456789.123456789
+  assert_equal "00000000123456789.12", "%020.2f" % 123456789.123456789
+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("String#% invalid format shared substring") do
+  fmt = ("x"*30+"%!")[0...-1]
+  assert_equal fmt, sprintf(fmt, "")
+end