Add tests for importers (#56)

This also fixes deep copy import for Instruments when copying from Instruments 7

Related to #14

sample/profiles/Instruments/7.3.1/random-allocations-deep-copy.txt

@@ -0,0 +1,29 @@
+Bytes Used	Count		Symbol Name
+ 429.93 MB     100.0%	84671	 	start
+ 429.93 MB     100.0%	84671	 	 main
+ 217.09 MB      50.4%	42749	 	  delta()
+  73.35 MB      17.0%	14337	 	   alpha()
+  73.35 MB      17.0%	14337	 	    leakMemory()
+  73.35 MB      17.0%	14337	 	     malloc
+  73.35 MB      17.0%	14337	 	      malloc_zone_malloc
+  72.36 MB      16.8%	14316	 	   beta()
+  72.36 MB      16.8%	14316	 	    leakMemory()
+  72.36 MB      16.8%	14316	 	     malloc
+  72.36 MB      16.8%	14316	 	      malloc_zone_malloc
+  71.38 MB      16.6%	14096	 	   leakMemory()
+  71.38 MB      16.6%	14096	 	    malloc
+  71.38 MB      16.6%	14096	 	     malloc_zone_malloc
+  71.79 MB      16.6%	14078	 	  alpha()
+  71.79 MB      16.6%	14078	 	   leakMemory()
+  71.79 MB      16.6%	14078	 	    malloc
+  71.79 MB      16.6%	14078	 	     malloc_zone_malloc
+  71.31 MB      16.5%	14078	 	  gamma()
+  71.31 MB      16.5%	14078	 	   leakMemory()
+  71.31 MB      16.5%	14078	 	    malloc
+  71.31 MB      16.5%	14078	 	     malloc_zone_malloc
+  69.74 MB      16.2%	13766	 	  beta()
+  69.74 MB      16.2%	13766	 	   leakMemory()
+  69.74 MB      16.2%	13766	 	    malloc
+  69.74 MB      16.2%	13766	 	     malloc_zone_malloc
+
+

sample/profiles/Instruments/7.3.1/simple-time-profile-deep-copy.txt

@@ -0,0 +1,61 @@
+Running Time	Self (ms)		Symbol Name
+4273.0ms   99.9%	0	 	start
+4273.0ms   99.9%	0	 	 main
+2126.0ms   49.7%	693	 	  delta()
+713.0ms   16.6%	696	 	   alpha()
+17.0ms    0.3%	1	 	    leakMemory()
+16.0ms    0.3%	1	 	     malloc
+15.0ms    0.3%	1	 	      malloc_zone_malloc
+7.0ms    0.1%	2	 	       szone_malloc_should_clear
+4.0ms    0.0%	4	 	        small_malloc_from_free_list
+1.0ms    0.0%	0	 	        allocate_pages_securely
+1.0ms    0.0%	0	 	         mach_vm_map
+1.0ms    0.0%	1	 	          _kernelrpc_mach_vm_map_trap
+5.0ms    0.1%	5	 	       _os_lock_spin_lock
+2.0ms    0.0%	2	 	       os_lock_lock
+711.0ms   16.6%	702	 	   beta()
+9.0ms    0.2%	0	 	    leakMemory()
+9.0ms    0.2%	0	 	     malloc
+9.0ms    0.2%	0	 	      malloc_zone_malloc
+7.0ms    0.1%	6	 	       szone_malloc_should_clear
+1.0ms    0.0%	1	 	        small_malloc_from_free_list
+2.0ms    0.0%	2	 	       _os_lock_spin_lock
+9.0ms    0.2%	0	 	   leakMemory()
+9.0ms    0.2%	0	 	    malloc
+8.0ms    0.1%	0	 	     malloc_zone_malloc
+5.0ms    0.1%	4	 	      szone_malloc_should_clear
+1.0ms    0.0%	1	 	       small_malloc_from_free_list
+2.0ms    0.0%	2	 	      _os_lock_spin_lock
+1.0ms    0.0%	1	 	      os_lock_lock
+1.0ms    0.0%	0	 	     <Unknown Address>
+1.0ms    0.0%	1	 	      szone_malloc
+725.0ms   16.9%	715	 	  alpha()
+10.0ms    0.2%	0	 	   leakMemory()
+10.0ms    0.2%	1	 	    malloc
+9.0ms    0.2%	1	 	     malloc_zone_malloc
+6.0ms    0.1%	2	 	      szone_malloc_should_clear
+4.0ms    0.0%	4	 	       small_malloc_from_free_list
+2.0ms    0.0%	2	 	      _os_lock_spin_lock
+716.0ms   16.7%	704	 	  beta()
+12.0ms    0.2%	0	 	   leakMemory()
+12.0ms    0.2%	1	 	    malloc
+11.0ms    0.2%	0	 	     malloc_zone_malloc
+9.0ms    0.2%	5	 	      szone_malloc_should_clear
+3.0ms    0.0%	3	 	       small_malloc_from_free_list
+1.0ms    0.0%	0	 	       allocate_pages_securely
+1.0ms    0.0%	0	 	        mach_vm_map
+1.0ms    0.0%	1	 	         _kernelrpc_mach_vm_map_trap
+1.0ms    0.0%	1	 	      _os_lock_spin_lock
+1.0ms    0.0%	1	 	      DYLD-STUB$$os_lock_unlock
+706.0ms   16.5%	696	 	  gamma()
+10.0ms    0.2%	0	 	   leakMemory()
+10.0ms    0.2%	0	 	    malloc
+10.0ms    0.2%	1	 	     malloc_zone_malloc
+5.0ms    0.1%	2	 	      szone_malloc_should_clear
+3.0ms    0.0%	3	 	       small_malloc_from_free_list
+2.0ms    0.0%	2	 	      _os_lock_spin_lock
+1.0ms    0.0%	1	 	      os_lock_unlock
+1.0ms    0.0%	0	 	      <Unknown Address>
+1.0ms    0.0%	1	 	       small_malloc_from_free_list
+
+

sample/programs/javascript/simple.js

@@ -30,3 +30,5 @@ a()
 setTimeout(() => {
   console.profileEnd('a')
 }, 0)
+
+window.addEventListener('click', a)

sample/programs/ruby/simple.rb

@@ -0,0 +1,35 @@
+require 'json'
+require 'stackprof'
+
+def a
+  for i in 0..100 do
+    b
+    c
+  end
+end
+
+def b
+  for i in 0..10
+    d
+  end
+end
+
+def c
+  for i in 0..10
+    d
+  end
+end
+
+def d
+  prod = 1
+  for i in 1..1000
+    prod *= i
+  end
+  prod
+end
+
+profile = StackProf.run(mode: :wall, raw: true) do
+  a
+end
+
+puts JSON.generate(profile)