Assert that each contents are read [Bug #18074]

2021-08-10 22:06:05 +09:00 · 2021-08-10 22:06:05 +09:00 · 7de7e9fdb7
commit 7de7e9fdb7
parent 28d03ee776
1 changed files with 6 additions and 3 deletions
--- a/test/ruby/test_argf.rb
+++ b/test/ruby/test_argf.rb
@ -1112,11 +1112,14 @@ class TestArgf < Test::Unit::TestCase
  end

  def test_sized_read
+    s = "a"
    [@t1, @t2, @t3].each { |t|
-      open(t.path, "wb") { |f| f.write "t" }
+      File.binwrite(t.path, s)
+      s = s.succ
    }
-    ruby('-e', "print ARGF.read(3).size", @t1.path, @t2.path, @t3.path) do |f|
-      assert_equal("3", f.read)
+
+    ruby('-e', "print ARGF.read(3)", @t1.path, @t2.path, @t3.path) do |f|
+      assert_equal("abc", f.read)
    end
  end
 end