Add ability to pass parameters from mrbgem.rake spec into test scripts.

examples/mrbgems/c_and_ruby_extension_example/mrbgem.rake

@@ -17,4 +17,7 @@ MRuby::Gem::Specification.new('c_and_ruby_extension_example') do |spec|
   # spec.test_rbfiles = Dir.glob("#{dir}/test/*.rb")
   # spec.test_objs = Dir.glob("#{dir}/test/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
   # spec.test_preload = 'test/assert.rb'
+
+  # Values accessible as $test_args inside test scripts
+  # spec.test_args = {'tmp_dir' => Dir::tmpdir}
 end

examples/mrbgems/c_extension_example/mrbgem.rake

@@ -17,4 +17,7 @@ MRuby::Gem::Specification.new('c_extension_example') do |spec|
   # spec.test_rbfiles = Dir.glob("#{dir}/test/*.rb")
   # spec.test_objs = Dir.glob("#{dir}/test/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
   # spec.test_preload = 'test/assert.rb'
+
+  # Values accessible as $test_args inside test scripts
+  # spec.test_args = {'tmp_dir' => Dir::tmpdir}
 end

examples/mrbgems/ruby_extension_example/mrbgem.rake

@@ -17,4 +17,7 @@ MRuby::Gem::Specification.new('ruby_extension_example') do |spec|
   # spec.test_rbfiles = Dir.glob("#{dir}/test/*.rb")
   # spec.test_objs = Dir.glob("#{dir}/test/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
   # spec.test_preload = 'test/assert.rb'
+
+  # Values accessible as $test_args inside test scripts
+  # spec.test_args = {'tmp_dir' => Dir::tmpdir}
 end

tasks/mrbgem_spec.rake

@@ -22,7 +22,7 @@ module MRuby
       alias :author= :authors=
 
       attr_accessor :rbfiles, :objs
-      attr_accessor :test_objs, :test_rbfiles
+      attr_accessor :test_objs, :test_rbfiles, :test_args
       attr_accessor :test_preload
 
       attr_block MRuby::Build::COMMANDS
@@ -54,6 +54,7 @@ module MRuby
           objfile(f.relative_path_from(dir).to_s.pathmap("#{build_dir}/%X"))
         end
         @test_preload = 'test/assert.rb'
+        @test_args = {}
 
         instance_eval(&@initializer)
 
@@ -140,6 +141,7 @@ module MRuby
         f.puts %Q[#include "mruby/proc.h"]
         f.puts %Q[#include "mruby/variable.h"]
         f.puts %Q[#include "mruby/array.h"]
+        f.puts %Q[#include "mruby/hash.h"]
       end
 
     end # Specification

tasks/mrbgems_test.rake

@@ -33,6 +33,14 @@ MRuby.each_target do
             f.puts %Q[  }]
             f.puts %Q[  mrb_const_set(mrb2, mrb_obj_value(mrb2->object_class), mrb_intern(mrb2, "GEMNAME"), mrb_str_new(mrb2, "#{g.name}", #{g.name.length}));]
 
+            if not g.test_args.empty?
+              f.puts %Q[  mrb_value test_args_hash = mrb_hash_new_capa(mrb, #{g.test_args.length}); ]
+              g.test_args.each do |arg_name, arg_value|
+                f.puts %Q[  mrb_hash_set(mrb2, test_args_hash, mrb_str_new(mrb2, "#{arg_name.to_s}", #{arg_name.to_s.length}), mrb_str_new(mrb2, "#{arg_value.to_s}", #{arg_value.to_s.length})); ]
+              end
+              f.puts %Q[  mrb_gv_set(mrb2, mrb_intern(mrb2, "$test_args"), test_args_hash); ]
+            end
+
             f.puts %Q[  mrb_#{g.funcname}_gem_test(mrb2);] unless g.test_objs.empty? 
             
             f.puts %Q[  mrb_load_irep(mrb2, gem_test_irep_#{g.funcname}_#{i});]