51 lines
1.0 KiB
Ruby
51 lines
1.0 KiB
Ruby
# frozen_string_literal: false
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require_relative 'helper'
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module DTrace
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class TestCMethod < TestCase
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def test_entry
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probe = <<-eoprobe
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ruby$target:::cmethod-entry
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{
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printf("%s %s %s %d\\n", copyinstr(arg0), copyinstr(arg1), copyinstr(arg2), arg3);
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}
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eoprobe
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trap_probe(probe, ruby_program) { |d_file, rb_file, probes|
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foo_calls = probes.map { |line| line.split }.find_all { |row|
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row[1] == 'times'
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}
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assert_equal 1, foo_calls.length
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}
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end
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def test_exit
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probe = <<-eoprobe
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ruby$target:::cmethod-return
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{
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printf("%s %s %s %d\\n", copyinstr(arg0), copyinstr(arg1), copyinstr(arg2), arg3);
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}
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eoprobe
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trap_probe(probe, ruby_program) { |d_file, rb_file, probes|
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foo_calls = probes.map { |line| line.split }.find_all { |row|
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row[1] == 'times'
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}
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assert_equal 1, foo_calls.length
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}
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end
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def ruby_program
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<<-eoruby
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class Foo
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def self.foo; end
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end
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10.times { Foo.foo }
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eoruby
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end
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end
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end if defined?(DTrace::TestCase)
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