3 files changed, 51 insertions, 2 deletions
diff --git a/spec/ruby/core/file/ftype_spec.rb b/spec/ruby/core/file/ftype_spec.rb
index 20e9af7e5f..8ff70baa80 100644
--- a/spec/ruby/core/file/ftype_spec.rb
+++ b/spec/ruby/core/file/ftype_spec.rb
@@ -12,8 +12,9 @@ describe "File.ftype" do
   end
 
   it "raises Errno::ENOENT if the file is not valid" do
-    l = -> { File.ftype("/#{$$}#{Time.now.to_f}") }
-    l.should raise_error(Errno::ENOENT)
+    -> {
+      File.ftype("/#{$$}#{Time.now.to_f}")
+    }.should raise_error(Errno::ENOENT)
   end
 
   it "returns a String" do
diff --git a/spec/ruby/core/file/lutime_spec.rb b/spec/ruby/core/file/lutime_spec.rb
new file mode 100644
index 0000000000..7449bc4389
--- /dev/null
+++ b/spec/ruby/core/file/lutime_spec.rb
@@ -0,0 +1,40 @@
+require_relative '../../spec_helper'
+
+ruby_version_is "2.5" do
+  describe "File.lutime" do
+    platform_is_not :windows do
+      before :each do
+        @atime = Time.utc(2000)
+        @mtime = Time.utc(2001)
+        @file = tmp("specs_lutime_file")
+        @symlink = tmp("specs_lutime_symlink")
+        touch @file
+        File.symlink(@file, @symlink)
+      end
+
+      after :each do
+        rm_r @file, @symlink
+      end
+
+      it "sets the access and modification time for a regular file" do
+        File.lutime(@atime, @mtime, @file)
+        stat = File.stat(@file)
+        stat.atime.should == @atime
+        stat.mtime.should === @mtime
+      end
+
+      it "sets the access and modification time for a symlink" do
+        original = File.stat(@file)
+
+        File.lutime(@atime, @mtime, @symlink)
+        stat = File.lstat(@symlink)
+        stat.atime.should == @atime
+        stat.mtime.should === @mtime
+
+        file = File.stat(@file)
+        file.atime.should == original.atime
+        file.mtime.should == original.mtime
+      end
+    end
+  end
+end
diff --git a/spec/ruby/core/file/open_spec.rb b/spec/ruby/core/file/open_spec.rb
index 93f1972ac6..e3c5618795 100644
--- a/spec/ruby/core/file/open_spec.rb
+++ b/spec/ruby/core/file/open_spec.rb
@@ -623,6 +623,14 @@ describe "File.open" do
     end
   end
 
+  ruby_version_is "2.5" do
+    it "raises ArgumentError if mixing :newline and binary mode" do
+      -> {
+        File.open(@file, "rb", newline: :universal) {}
+      }.should raise_error(ArgumentError, "newline decorator with binary mode")
+    end
+  end
+
   ruby_version_is "2.6" do
     context "'x' flag" do
       before :each do