test_stackprof.rb in stackprof-0.2.18

- old
+ new

@@ -76,13 +76,18 @@
     profile = StackProf.run(mode: :cpu, interval: 500) do
       math
     end
 
     assert_operator profile[:samples], :>=, 1
-    offset = RUBY_VERSION >= '3' ? 1 : 0
-    frame = profile[:frames].values[offset]
-    assert_includes frame[:name], "StackProfTest#math"
+    if RUBY_VERSION >= '3'
+      assert profile[:frames].values.take(2).map { |f|
+        f[:name].include? "StackProfTest#math"
+      }.any?
+    else
+      frame = profile[:frames].values.first
+      assert_includes frame[:name], "StackProfTest#math"
+    end
   end
 
   def test_walltime
     profile = StackProf.run(mode: :wall) do
       idle
@@ -119,23 +124,37 @@
       assert_equal [10, 10], frame[:lines][profile_base_line+2]
     end
   end
 
   def test_raw
+    before_monotonic = Process.clock_gettime(Process::CLOCK_MONOTONIC, :microsecond)
+
     profile = StackProf.run(mode: :custom, raw: true) do
       10.times do
         StackProf.sample
       end
     end
 
+    after_monotonic = Process.clock_gettime(Process::CLOCK_MONOTONIC, :microsecond)
+
     raw = profile[:raw]
     assert_equal 10, raw[-1]
     assert_equal raw[0] + 2, raw.size
 
     offset = RUBY_VERSION >= '3' ? -3 : -2
     assert_includes profile[:frames][raw[offset]][:name], 'StackProfTest#test_raw'
+
+    assert_equal 10, profile[:raw_sample_timestamps].size
+    profile[:raw_sample_timestamps].each_cons(2) do |t1, t2|
+      assert_operator t1, :>, before_monotonic
+      assert_operator t2, :>=, t1
+      assert_operator t2, :<, after_monotonic
+    end
+
     assert_equal 10, profile[:raw_timestamp_deltas].size
+    total_duration = after_monotonic - before_monotonic
+    assert_operator profile[:raw_timestamp_deltas].inject(&:+), :<, total_duration
   end
 
   def test_metadata
     metadata = {
       path: '/foo/bar',
@@ -203,10 +222,9 @@
       5.times do
         GC.start
       end
     end
 
-    raw = profile[:raw]
     gc_frame = profile[:frames].values.find{ |f| f[:name] == "(garbage collection)" }
     marking_frame = profile[:frames].values.find{ |f| f[:name] == "(marking)" }
     sweeping_frame = profile[:frames].values.find{ |f| f[:name] == "(sweeping)" }
 
     assert gc_frame