Add `assert_raise_with_message` and `assert_raise_with_message_pattern`

2 files changed, 21 insertions, 13 deletions

diff --git a/test/t/kernel.rb b/test/t/kernel.rb
index bf7dbe94c..7fc8cd2e7 100644
--- a/test/t/kernel.rb
+++ b/test/t/kernel.rb
@@ -346,17 +346,15 @@ assert('Kernel#method_missing', '15.3.1.3.30') do
     end
   end
   no_super_test = NoSuperMethodTestClass.new
-  begin
+  msg = "undefined method 'no_super_method_named_this'"
+  assert_raise_with_message(NoMethodError, msg) do
     no_super_test.no_super_method_named_this
-  rescue NoMethodError => e
-    assert_equal "undefined method 'no_super_method_named_this'", e.message
   end
 
   a = String.new
-  begin
+  msg = "undefined method 'no_method_named_this'"
+  assert_raise_with_message(NoMethodError, msg) do
     a.no_method_named_this
-  rescue NoMethodError => e
-    assert_equal "undefined method 'no_method_named_this'", e.message
   end
 end
 
diff --git a/test/t/module.rb b/test/t/module.rb
index 09613e1bc..5c659f149 100644
--- a/test/t/module.rb
+++ b/test/t/module.rb
@@ -21,6 +21,14 @@ def labeled_class(name, supklass = Object, &block)
   end
 end
 
+def assert_uninitialized_const(&block)
+  assert_raise_with_message_pattern(NameError, "uninitialized constant *", &block)
+end
+
+def assert_wrong_const_name(&block)
+  assert_raise_with_message_pattern(NameError, "wrong constant name *", &block)
+end
+
 assert('Module', '15.2.2') do
   assert_equal Class, Module.class
 end
@@ -221,7 +229,7 @@ assert('Module#const_defined?', '15.2.2.4.20') do
 
   assert_true Test4ConstDefined.const_defined?(:Const4Test4ConstDefined)
   assert_false Test4ConstDefined.const_defined?(:NotExisting)
-  assert_raise(NameError){ Test4ConstDefined.const_defined?(:wrong_name) }
+  assert_wrong_const_name{ Test4ConstDefined.const_defined?(:wrong_name) }
 end
 
 assert('Module#const_get', '15.2.2.4.21') do
@@ -234,9 +242,9 @@ assert('Module#const_get', '15.2.2.4.21') do
   assert_equal 42, Object.const_get("Test4ConstGet::Const4Test4ConstGet")
 
   assert_raise(TypeError){ Test4ConstGet.const_get(123) }
-  assert_raise(NameError){ Test4ConstGet.const_get(:I_DO_NOT_EXIST) }
-  assert_raise(NameError){ Test4ConstGet.const_get("I_DO_NOT_EXIST::ME_NEITHER") }
-  assert_raise(NameError){ Test4ConstGet.const_get(:wrong_name) }
+  assert_uninitialized_const{ Test4ConstGet.const_get(:I_DO_NOT_EXIST) }
+  assert_uninitialized_const{ Test4ConstGet.const_get("I_DO_NOT_EXIST::ME_NEITHER") }
+  assert_wrong_const_name{ Test4ConstGet.const_get(:wrong_name) }
 end
 
 assert('Module#const_set', '15.2.2.4.23') do
@@ -247,7 +255,7 @@ assert('Module#const_set', '15.2.2.4.23') do
   assert_equal 23, Test4ConstSet.const_set(:Const4Test4ConstSet, 23)
   assert_equal 23, Test4ConstSet.const_get(:Const4Test4ConstSet)
   ["", "wrongNAME", "Wrong-Name"].each do |n|
-    assert_raise(NameError) { Test4ConstSet.const_set(n, 1) }
+    assert_wrong_const_name { Test4ConstSet.const_set(n, 1) }
   end
 end
 
@@ -258,9 +266,11 @@ assert('Module#remove_const', '15.2.2.4.40') do
 
   assert_equal 23, Test4RemoveConst.remove_const(:ExistingConst)
   assert_false Test4RemoveConst.const_defined?(:ExistingConst)
-  assert_raise(NameError) { Test4RemoveConst.remove_const(:NonExistingConst) }
+  assert_raise_with_message_pattern(NameError, "constant * not defined") do
+    Test4RemoveConst.remove_const(:NonExistingConst)
+  end
   %i[x X!].each do |n|
-    assert_raise(NameError) { Test4RemoveConst.remove_const(n) }
+    assert_wrong_const_name { Test4RemoveConst.remove_const(n) }
   end
 end