1 files changed, 60 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/require_spec.rb b/spec/ruby/core/kernel/require_spec.rb
new file mode 100644
index 0000000000..60d17242fe
--- /dev/null
+++ b/spec/ruby/core/kernel/require_spec.rb
@@ -0,0 +1,60 @@
+require_relative '../../spec_helper'
+require_relative '../../fixtures/code_loading'
+require_relative 'shared/require'
+
+describe "Kernel#require" do
+  before :each do
+    CodeLoadingSpecs.spec_setup
+  end
+
+  after :each do
+    CodeLoadingSpecs.spec_cleanup
+  end
+
+  # if this fails, update your rubygems
+  it "is a private method" do
+    Kernel.should have_private_instance_method(:require)
+  end
+
+  provided = %w[complex enumerator fiber rational thread ruby2_keywords]
+  ruby_version_is "4.0" do
+    provided << "set"
+    provided << "pathname"
+  end
+
+  it "#{provided.join(', ')} are already required" do
+    out = ruby_exe("puts $LOADED_FEATURES", options: '--disable-gems --disable-did-you-mean')
+    features = out.lines.map { |line| File.basename(line.chomp, '.*') }
+
+    # Ignore CRuby internals
+    features -= %w[encdb transdb windows_1252 windows_31j]
+    features.reject! { |feature| feature.end_with?('-fake') }
+
+    features.sort.should == provided.sort
+
+    requires = provided
+    ruby_version_is "4.0" do
+      requires = requires.map { |f| f == "pathname" ? "pathname.so" : f }
+    end
+
+    code = requires.map { |f| "puts require #{f.inspect}\n" }.join
+    required = ruby_exe(code, options: '--disable-gems')
+    required.should == "false\n" * requires.size
+  end
+
+  it_behaves_like :kernel_require_basic, :require, CodeLoadingSpecs::Method.new
+  it_behaves_like :kernel_require, :require, CodeLoadingSpecs::Method.new
+end
+
+describe "Kernel.require" do
+  before :each do
+    CodeLoadingSpecs.spec_setup
+  end
+
+  after :each do
+    CodeLoadingSpecs.spec_cleanup
+  end
+
+  it_behaves_like :kernel_require_basic, :require, Kernel
+  it_behaves_like :kernel_require, :require, Kernel
+end