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#!/usr/bin/env ruby
require 'test/unit'
require 'ruby-prof'
class MeasurementTest < Test::Unit::TestCase
def setup
GC.enable_stats if GC.respond_to?(:enable_stats)
end
def teardown
GC.disable_stats if GC.respond_to?(:disable_stats)
end
def test_process_time_mode
RubyProf::measure_mode = RubyProf::PROCESS_TIME
assert_equal(RubyProf::PROCESS_TIME, RubyProf::measure_mode)
end
def test_process_time
t = RubyProf.measure_process_time
assert_kind_of(Float, t)
u = RubyProf.measure_process_time
assert(u >= t, [t, u].inspect)
end
def test_wall_time_mode
RubyProf::measure_mode = RubyProf::WALL_TIME
assert_equal(RubyProf::WALL_TIME, RubyProf::measure_mode)
end
def test_wall_time
t = RubyProf.measure_wall_time
assert_kind_of Float, t
u = RubyProf.measure_wall_time
assert u >= t, [t, u].inspect
end
if RubyProf::CPU_TIME
def test_cpu_time_mode
RubyProf::measure_mode = RubyProf::CPU_TIME
assert_equal(RubyProf::CPU_TIME, RubyProf::measure_mode)
end
def test_cpu_time
RubyProf.cpu_frequency = 2.33e9
t = RubyProf.measure_cpu_time
assert_kind_of Float, t
u = RubyProf.measure_cpu_time
assert u > t, [t, u].inspect
end
end
if RubyProf::ALLOCATIONS
def test_allocations_mode
RubyProf::measure_mode = RubyProf::ALLOCATIONS
assert_equal(RubyProf::ALLOCATIONS, RubyProf::measure_mode)
end
def test_allocations
t = RubyProf.measure_allocations
assert_kind_of Integer, t
u = RubyProf.measure_allocations
assert u > t, [t, u].inspect
end
end
if RubyProf::MEMORY
def test_memory_mode
RubyProf::measure_mode = RubyProf::MEMORY
assert_equal(RubyProf::MEMORY, RubyProf::measure_mode)
end
def test_memory
t = RubyProf.measure_memory
assert_kind_of Integer, t
u = RubyProf.measure_memory
assert(u >= t, [t, u].inspect)
result = RubyProf.profile {Array.new}
total = result.threads.values.first.methods.inject(0) { |sum, m| sum + m.total_time }
assert(total > 0, 'Should measure more than zero kilobytes of memory usage')
assert_not_equal(0, total % 1, 'Should not truncate fractional kilobyte measurements')
end
end
if RubyProf::GC_RUNS
def test_gc_runs_mode
RubyProf::measure_mode = RubyProf::GC_RUNS
assert_equal(RubyProf::GC_RUNS, RubyProf::measure_mode)
end
def test_gc_runs
t = RubyProf.measure_gc_runs
assert_kind_of Integer, t
GC.start
u = RubyProf.measure_gc_runs
assert u > t, [t, u].inspect
end
end
if RubyProf::GC_TIME
def test_gc_time
t = RubyProf.measure_gc_time
assert_kind_of Integer, t
GC.start
u = RubyProf.measure_gc_time
assert u > t, [t, u].inspect
end
end
end
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