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#!/usr/bin/env ruby
# encoding: UTF-8
require File.expand_path('../test_helper', __FILE__)
# Test data
# A
# / \
# B C
# \
# B
class StackClass
def a
sleep 1
b
c
end
def b
sleep 2
end
def c
sleep 3
b
end
end
class StackTest < TestCase
def setup
# Need to use wall time for this test due to the sleep calls
RubyProf::measure_mode = RubyProf::WALL_TIME
end
def test_call_sequence
c = StackClass.new
result = RubyProf.profile do
c.a
end
# Length should be 5:
# StackTest#test_call_sequence
# StackClass#a
# Kernel#sleep
# StackClass#c
# StackClass#b
methods = result.threads.first.methods.sort.reverse
assert_equal(5, methods.length)
# Check StackTest#test_call_sequence
method = methods[0]
assert_equal('StackTest#test_call_sequence', method.full_name)
assert_equal(1, method.called)
assert_in_delta(8, method.total_time, 0.25)
assert_in_delta(0, method.wait_time, 0.01)
assert_in_delta(0, method.self_time, 0.01)
assert_in_delta(8, method.children_time, 0.25)
assert_equal(1, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('StackTest#test_call_sequence', call_info.call_sequence)
assert_equal(1, call_info.children.length)
# Check StackClass#a
method = methods[1]
assert_equal('StackClass#a', method.full_name)
assert_equal(1, method.called)
assert_in_delta(8, method.total_time, 0.15)
assert_in_delta(0, method.wait_time, 0.01)
assert_in_delta(0, method.self_time, 0.01)
assert_in_delta(8, method.children_time, 0.05)
assert_equal(1, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('StackTest#test_call_sequence->StackClass#a', call_info.call_sequence)
assert_equal(3, call_info.children.length)
# Check Kernel#sleep
method = methods[2]
assert_equal('Kernel#sleep', method.full_name)
assert_equal(4, method.called)
assert_in_delta(8, method.total_time, 0.05)
assert_in_delta(0, method.wait_time, 0.01)
assert_in_delta(8, method.self_time, 0.05)
assert_in_delta(0, method.children_time, 0.05)
assert_equal(4, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('StackTest#test_call_sequence->StackClass#a->Kernel#sleep', call_info.call_sequence)
assert_equal(0, call_info.children.length)
call_info = method.call_infos[1]
assert_equal('StackTest#test_call_sequence->StackClass#a->StackClass#b->Kernel#sleep', call_info.call_sequence)
assert_equal(0, call_info.children.length)
call_info = method.call_infos[2]
assert_equal('StackTest#test_call_sequence->StackClass#a->StackClass#c->Kernel#sleep', call_info.call_sequence)
assert_equal(0, call_info.children.length)
call_info = method.call_infos[3]
assert_equal('StackTest#test_call_sequence->StackClass#a->StackClass#c->StackClass#b->Kernel#sleep', call_info.call_sequence)
assert_equal(0, call_info.children.length)
# Check StackClass#c
method = methods[3]
assert_equal('StackClass#c', method.full_name)
assert_equal(1, method.called)
assert_in_delta(5, method.total_time, 0.05)
assert_in_delta(0, method.wait_time, 0.01)
assert_in_delta(0, method.self_time, 0.01)
assert_in_delta(5, method.children_time, 0.05)
assert_equal(1, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('StackTest#test_call_sequence->StackClass#a->StackClass#c', call_info.call_sequence)
assert_equal(2, call_info.children.length)
# Check StackClass#b
method = methods[4]
assert_equal('StackClass#b', method.full_name)
assert_equal(2, method.called)
assert_in_delta(4, method.total_time, 0.05)
assert_in_delta(0, method.wait_time, 0.01)
assert_in_delta(0, method.self_time, 0.01)
assert_in_delta(4, method.children_time, 0.05)
assert_equal(2, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('StackTest#test_call_sequence->StackClass#a->StackClass#b', call_info.call_sequence)
assert_equal(1, call_info.children.length)
call_info = method.call_infos[1]
assert_equal('StackTest#test_call_sequence->StackClass#a->StackClass#c->StackClass#b', call_info.call_sequence)
assert_equal(1, call_info.children.length)
end
end
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