[GR-47629] [GR-50893] Add more tool specs

PullRequest: truffleruby/4105

Author: eregon

spec/tags/truffle/tools_tags.txt

@@ -2,3 +2,6 @@ slow:Tools --coverage is available and works
 slow:Tools --coverage works for internal sources
 slow:Tools --engine.TraceCompilation works and outputs to STDERR
 slow:Tools --cpusampler works if Thread#kill is used
+slow:Tools SIGQUIT shows Java stacktraces
+slow:Tools SIGALRM shows Ruby backtraces
+slow:Tools --cpusampler works if interrupted by Ctrl+C

spec/truffle/tools_spec.rb

@@ -29,6 +29,24 @@
     end
   end
 
+  describe "SIGQUIT" do
+    it "shows Java stacktraces" do
+      code = 'Process.kill :SIGQUIT, Process.pid; sleep 1'
+      out = ruby_exe(code, args: "2>&1")
+      out.should.include?("Full thread dump")
+      out.should.include?("RubyLauncher.runRubyMain")
+    end
+  end
+
+  describe "SIGALRM" do
+    it "shows Ruby backtraces" do
+      code = 'Process.kill :SIGALRM, Process.pid; sleep 1'
+      out = ruby_exe(code, args: "2>&1")
+      out.should.include?("All Thread and Fiber backtraces:")
+      out.should.include?(":in `show_backtraces'")
+    end
+  end
+
   describe "--coverage" do
     before :each do
       @file = tmp("main.rb")
@@ -43,14 +61,12 @@
       out = ruby_exe(@file, options: "--coverage")
       out.should =~ /#{Regexp.escape @file}.+100(\.\d*)?%/
       out.should.include?("42")
-      $?.should.success?
     end
 
     it "works for internal sources" do
       out = ruby_exe(@file, options: "--coverage --experimental-options --coverage.TrackInternal")
       out.should =~ /#{Regexp.escape @file}.+100(\.\d*)?%/
       out.should.include?("42")
-      $?.should.success?
     end
   end
 
@@ -70,9 +86,27 @@ def foo
       RUBY
       out = ruby_exe(code, options: "--cpusampler")
       out.should.include?(":kill")
+      out.should.include?("Sampling Histogram")
       out.should.include?("Kernel#loop")
       out.should_not.include?('KillException')
-      $?.should.success?
+    end
+
+    it "works if interrupted by Ctrl+C" do
+      code = <<~RUBY
+      def foo
+        n = 0
+        loop { yield_self { n += 1 } }
+        n
+      end
+      Thread.new { foo }
+      sleep 0.1
+      Process.kill :INT, Process.pid
+      sleep
+      RUBY
+      out = ruby_exe(code, options: "--cpusampler", args: "2>&1", exit_status: :SIGINT)
+      out.should.include?('Interrupt (Interrupt)')
+      out.should.include?("Sampling Histogram")
+      out.should.include?("Kernel#loop")
     end
   end
 end