ko1	2013-10-07 16:35:21 +0900 (Mon, 07 Oct 2013)

  New Revision: 43171

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43171

  Log:
    * ext/-test-/debug/profile_frames.c:
      test/-ext-/debug/test_profile_frames.rb: add a test for new C-APIs.

  Added files:
    trunk/ext/-test-/debug/profile_frames.c
    trunk/test/-ext-/debug/test_profile_frames.rb
  Modified files:
    trunk/ChangeLog
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 43170)
+++ ChangeLog	(revision 43171)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Oct  7 16:33:10 2013  Koichi Sasada  <ko1@a...>
+
+	* ext/-test-/debug/profile_frames.c: 
+	  test/-ext-/debug/test_profile_frames.rb: add a test for new C-APIs.
+
 Mon Oct  7 16:12:36 2013  Koichi Sasada  <ko1@a...>
 
 	* include/ruby/debug.h: add backtrace collecting APIs for profiler.
Index: ext/-test-/debug/profile_frames.c
===================================================================
--- ext/-test-/debug/profile_frames.c	(revision 0)
+++ ext/-test-/debug/profile_frames.c	(revision 43171)
@@ -0,0 +1,40 @@ https://github.com/ruby/ruby/blob/trunk/ext/-test-/debug/profile_frames.c#L1
+#include "ruby/ruby.h"
+#include "ruby/debug.h"
+
+#define MAX_BUF_SIZE 0x100
+
+static VALUE
+profile_frames(VALUE self, VALUE start_v, VALUE num_v)
+{
+    int i, collected_size;
+    int start = NUM2INT(start_v);
+    int buff_size = NUM2INT(num_v);
+    VALUE buff[MAX_BUF_SIZE];
+    int lines[MAX_BUF_SIZE];
+    VALUE result = rb_ary_new();
+
+    if (buff_size > MAX_BUF_SIZE) rb_raise(rb_eRuntimeError, "too long buff_size");
+
+    collected_size = rb_profile_frames(start, buff_size, buff, lines);
+
+    for (i=0; i<collected_size; i++) {
+	VALUE ary = rb_ary_new();
+	rb_ary_push(ary, rb_profile_frame_path(buff[i]));
+	rb_ary_push(ary, rb_profile_frame_absolute_path(buff[i]));
+	rb_ary_push(ary, rb_profile_frame_label(buff[i]));
+	rb_ary_push(ary, rb_profile_frame_base_label(buff[i]));
+	rb_ary_push(ary, rb_profile_frame_first_lineno(buff[i]));
+	rb_ary_push(ary, rb_profile_frame_classpath(buff[i]));
+	rb_ary_push(ary, rb_profile_frame_singleton_method_p(buff[i]));
+
+	rb_ary_push(result, ary);
+    }
+
+    return result;
+}
+
+void
+Init_profile_frames(VALUE klass)
+{
+    rb_define_module_function(klass, "profile_frames", profile_frames, 2);
+}
Index: test/-ext-/debug/test_profile_frames.rb
===================================================================
--- test/-ext-/debug/test_profile_frames.rb	(revision 0)
+++ test/-ext-/debug/test_profile_frames.rb	(revision 43171)
@@ -0,0 +1,54 @@ https://github.com/ruby/ruby/blob/trunk/test/-ext-/debug/test_profile_frames.rb#L1
+require 'test/unit'
+require '-test-/debug'
+
+class C
+  def self.bar(block)
+    block.call
+  end
+
+  def foo(block)
+    self.class.bar(block)
+  end
+end
+
+class TestProfileFrames < Test::Unit::TestCase
+  def test_profile_frames
+    frames = Fiber.new{
+      Fiber.yield C.new.foo(lambda{ Bug::Debug.profile_frames(0, 10) })
+    }.resume
+
+    assert_equal(4, frames.size)
+
+    labels = [
+      "block (2 levels) in test_profile_frames",
+      "bar",
+      "foo",
+      "block in test_profile_frames",
+    ]
+    base_labels = [
+      "test_profile_frames",
+      "bar",
+      "foo",
+      "test_profile_frames",
+    ]
+    classes = [
+      TestProfileFrames,
+      C, # singleton method
+      C,
+      TestProfileFrames,
+    ]
+    singleton_method_p = [
+      false, true, false, false, false,
+    ]
+
+    frames.each.with_index{|(path, absolute_path, label, base_label, first_lineno, classpath, singleton_p), i|
+      err_msg = "#{i}th frame"
+      assert_equal(__FILE__, path, err_msg)
+      assert_equal(__FILE__, absolute_path, err_msg)
+      assert_equal(labels[i], label, err_msg)
+      assert_equal(base_labels[i], base_label, err_msg)
+      assert_equal(classes[i].to_s, classpath, err_msg)
+      assert_equal(singleton_method_p[i], singleton_p, err_msg)
+    }
+  end
+end

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