From 7c67bfedfd4cf819f445eaae7f8d2dfc4600c65a Mon Sep 17 00:00:00 2001
From: Akira Yumiyama <yumiyama@iij.ad.jp>
Date: Sat, 2 Feb 2013 12:30:06 +0900
Subject: add mrbtest verbose mode ('-v' option)

---
 test/assert.rb | 2 ++
 test/driver.c  | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/test/assert.rb b/test/assert.rb
index 4fe95de9d..218a911d4 100644
--- a/test/assert.rb
+++ b/test/assert.rb
@@ -23,6 +23,7 @@ end
 #       which will be tested by this
 #       assertion
 def assert(str = 'Assertion failed', iso = '')
+  print(str, (iso != '' ? " [#{iso}]" : ''), ' : ') if $mrbtest_verbose
   begin
     if(!yield)
       $asserts.push(assertion_string('Fail: ', str, iso))
@@ -37,6 +38,7 @@ def assert(str = 'Assertion failed', iso = '')
     $kill_test += 1
     print('X')
   end
+  print("\n") if $mrbtest_verbose
 end
 
 ##
diff --git a/test/driver.c b/test/driver.c
index 788a77b2d..5183145b4 100644
--- a/test/driver.c
+++ b/test/driver.c
@@ -36,7 +36,7 @@ check_error(mrb_state *mrb)
 }
 
 int
-main(void)
+main(int argc, char **argv)
 {
   mrb_state *mrb;
   mrb_value return_value;
@@ -52,6 +52,11 @@ main(void)
     return EXIT_FAILURE;
   }
 
+  if (argc == 2 && strncmp(argv[1], "-v", 2) == 0) {
+    printf("verbose mode: enable\n\n");
+    mrb_gv_set(mrb, mrb_intern(mrb, "$mrbtest_verbose"), mrb_true_value());
+  }
+
   mrb_init_mrbtest(mrb);
   /* evaluate the test */
   return_value = mrb_load_string(mrb, prog);
-- 
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