1 files changed, 72 insertions, 0 deletions
diff --git a/spec/ruby/core/tracepoint/new_spec.rb b/spec/ruby/core/tracepoint/new_spec.rb
new file mode 100644
index 0000000000..763b35292b
--- /dev/null
+++ b/spec/ruby/core/tracepoint/new_spec.rb
@@ -0,0 +1,72 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe 'TracePoint.new' do
+  it 'returns a new TracePoint object, not enabled by default' do
+    TracePoint.new(:line) {}.enabled?.should == false
+  end
+
+  it 'includes :line event when event is not specified' do
+    event_name = nil
+    TracePoint.new { |tp|
+      next unless TracePointSpec.target_thread?
+      event_name = tp.event
+    }.enable do
+      event_name.should.equal?(:line)
+
+      event_name = nil
+      TracePointSpec.test
+      event_name.should.equal?(:line)
+
+      event_name = nil
+      TracePointSpec::B.new.foo
+      event_name.should.equal?(:line)
+    end
+  end
+
+  it 'converts given event name as string into symbol using to_sym' do
+    event_name = nil
+    (o = mock('line')).should_receive(:to_sym).and_return(:line)
+
+    TracePoint.new(o) { |tp|
+      next unless TracePointSpec.target_thread?
+      event_name = tp.event
+    }.enable do
+      line_event = true
+      event_name.should == :line
+    end
+  end
+
+  it 'includes multiple events when multiple event names are passed as params' do
+    event_name = nil
+    TracePoint.new(:end, :call) do |tp|
+      next unless TracePointSpec.target_thread?
+      event_name = tp.event
+    end.enable do
+      TracePointSpec.test
+      event_name.should.equal?(:call)
+
+      TracePointSpec::B.new.foo
+      event_name.should.equal?(:call)
+
+      class TracePointSpec::B; end
+      event_name.should.equal?(:end)
+    end
+  end
+
+  it 'raises a TypeError when the given object is not a string/symbol' do
+    o = mock('123')
+    -> { TracePoint.new(o) {} }.should.raise(TypeError)
+
+    o.should_receive(:to_sym).and_return(123)
+    -> { TracePoint.new(o) {} }.should.raise(TypeError)
+  end
+
+  it 'expects to be called with a block' do
+    -> { TracePoint.new(:line) }.should.raise(ArgumentError, "must be called with a block")
+  end
+
+  it "raises a Argument error when the given argument doesn't match an event name" do
+    -> { TracePoint.new(:test) }.should.raise(ArgumentError, "unknown event: test")
+  end
+end