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bd80fc5315
Since [Feature #14104], "trace" instructions are no longer emitted by default, so we must enable them explicitly for function tracing to work. [ruby-core:85965] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63580 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
89 lines
2 KiB
Ruby
89 lines
2 KiB
Ruby
# frozen_string_literal: false
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require_relative 'helper'
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module DTrace
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class TestFunctionEntry < TestCase
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def test_function_entry
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probe = <<-eoprobe
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ruby$target:::method-entry
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/arg0 && arg1 && arg2/
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{
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printf("%s %s %s %d\\n", copyinstr(arg0), copyinstr(arg1), copyinstr(arg2), arg3);
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}
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eoprobe
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trap_probe(probe, ruby_program) { |d_file, rb_file, probes|
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foo_calls = probes.map { |line| line.split }.find_all { |row|
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row.first == 'Foo' && row[1] == 'foo'
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}
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assert_equal 10, foo_calls.length
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line = '3'
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foo_calls.each { |f| assert_equal line, f[3] }
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foo_calls.each { |f| assert_equal rb_file, f[2] }
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}
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end
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def test_function_return
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probe = <<-eoprobe
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ruby$target:::method-return
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/arg0 && arg1 && arg2/
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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.first == 'Foo' && row[1] == 'foo'
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}
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assert_equal 10, foo_calls.length
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line = '3'
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foo_calls.each { |f| assert_equal line, f[3] }
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foo_calls.each { |f| assert_equal rb_file, f[2] }
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}
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end
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def test_return_from_raise
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program = <<-eoruby
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class Foo
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def bar; raise; end
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def baz
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bar
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rescue
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end
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end
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Foo.new.baz
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eoruby
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probe = <<-eoprobe
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ruby$target:::method-return
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/arg0 && arg1 && arg2/
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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, 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.first == 'Foo' && row[1] == 'bar'
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}
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assert foo_calls.any?
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}
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end
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private
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def ruby_program
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<<-eoruby
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TracePoint.new{}.enable
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class Foo
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def foo; end
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end
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x = Foo.new
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10.times { x.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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