From 49166fc74a9cd0bf48baa08d32e020183ad46723 Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Mon, 20 Dec 2021 09:59:45 +1300
Subject: Improved exception usage/classes.

---
 test/ruby/test_io_buffer.rb | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

(limited to 'test/ruby')

diff --git a/test/ruby/test_io_buffer.rb b/test/ruby/test_io_buffer.rb
index 76fa1bd774..9c989f5cfe 100644
--- a/test/ruby/test_io_buffer.rb
+++ b/test/ruby/test_io_buffer.rb
@@ -60,11 +60,11 @@ class TestIOBuffer < Test::Unit::TestCase
     buffer = IO::Buffer.new(128, IO::Buffer::INTERNAL|IO::Buffer::IMMUTABLE)
     assert buffer.immutable?
 
-    assert_raise RuntimeError do
+    assert_raise IO::Buffer::MutationError do
       buffer.copy("", 0)
     end
 
-    assert_raise RuntimeError do
+    assert_raise IO::Buffer::MutationError do
       buffer.copy("!", 1)
     end
   end
@@ -75,7 +75,7 @@ class TestIOBuffer < Test::Unit::TestCase
   end
 
   def test_file_mapped_invalid
-    assert_raise ArgumentError do
+    assert_raise NoMethodError do
       IO::Buffer.map("foobar")
     end
   end
@@ -163,8 +163,7 @@ class TestIOBuffer < Test::Unit::TestCase
   def test_slice_bounds
     buffer = IO::Buffer.new(128)
 
-    # What is best exception class?
-    assert_raise RuntimeError do
+    assert_raise ArgumentError do
       buffer.slice(128, 10)
     end
 
@@ -176,13 +175,13 @@ class TestIOBuffer < Test::Unit::TestCase
   def test_locked
     buffer = IO::Buffer.new(128, IO::Buffer::INTERNAL|IO::Buffer::LOCKED)
 
-    assert_raise RuntimeError do
+    assert_raise IO::Buffer::LockedError do
       buffer.resize(256)
     end
 
     assert_equal 128, buffer.size
 
-    assert_raise RuntimeError do
+    assert_raise IO::Buffer::LockedError do
       buffer.free
     end
 
@@ -203,7 +202,7 @@ class TestIOBuffer < Test::Unit::TestCase
 
     # (4) scheduler returns
     # (5) rb_write_internal invalidate the buffer object
-    assert_raise RuntimeError do
+    assert_raise IO::Buffer::LockedError do
       buffer.free
     end
 
-- 
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