1 files changed, 33 insertions, 0 deletions
diff --git a/spec/bundler/dsl_spec.rb b/spec/bundler/dsl_spec.rb
index 27f9feec95..714fcaa919 100644
--- a/spec/bundler/dsl_spec.rb
+++ b/spec/bundler/dsl_spec.rb
@@ -145,6 +145,39 @@ describe Bundler::Dsl do
     end
   end
 
+  describe "#gemspec" do
+    let(:spec) do
+      Gem::Specification.new do |gem|
+        gem.name = "example"
+        gem.platform = platform
+      end
+    end
+
+    before do
+      allow(Dir).to receive(:[]).and_return(["spec_path"])
+      allow(Bundler).to receive(:load_gemspec).with("spec_path").and_return(spec)
+      allow(Bundler).to receive(:default_gemfile).and_return(Pathname.new("./Gemfile"))
+    end
+
+    context "with a ruby platform" do
+      let(:platform) { "ruby" }
+
+      it "keeps track of the ruby platforms in the dependency" do
+        subject.gemspec
+        expect(subject.dependencies.last.platforms).to eq(Bundler::Dependency::REVERSE_PLATFORM_MAP[Gem::Platform::RUBY])
+      end
+    end
+
+    context "with a jruby platform" do
+      let(:platform) { "java" }
+
+      it "keeps track of the jruby platforms in the dependency" do
+        subject.gemspec
+        expect(subject.dependencies.last.platforms).to eq(Bundler::Dependency::REVERSE_PLATFORM_MAP[Gem::Platform::JAVA])
+      end
+    end
+  end
+
   context "can bundle groups of gems with" do
     # git "https://github.com/rails/rails.git" do
     #   gem "railties"