Merge pull request #3802 from christopheraue/proc_break_tests

Tested local jump errors caused by break in a proc

mrbgems/mruby-proc-ext/test/proc.rb

@@ -66,6 +66,10 @@ end
 
 assert('Kernel#proc') do
   assert_true !proc{|a|}.lambda?
+
+  assert_raise LocalJumpError do
+    proc{ break }.call
+  end
 end
 
 assert('mrb_proc_new_cfunc_with_env') do

test/t/proc.rb

@@ -11,6 +11,10 @@ assert('Proc.new', '15.2.17.3.1') do
   end
 
   assert_equal (Proc.new {}).class, Proc
+
+  assert_raise LocalJumpError do
+    Proc.new{ break }.call
+  end
 end
 
 assert('Proc#[]', '15.2.17.4.1') do
@@ -164,3 +168,13 @@ assert('&obj call to_proc if defined') do
 
   assert_raise(TypeError){ mock(&(Object.new)) }
 end
+
+assert('Creation of a proc through the block of a method') do
+  def m(&b) b end
+
+  assert_equal m{}.class, Proc
+
+  assert_raise LocalJumpError do
+    m{ break }.call
+  end
+end