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-rw-r--r--test/ruby/test_backtrace.rb151
1 files changed, 137 insertions, 14 deletions
diff --git a/test/ruby/test_backtrace.rb b/test/ruby/test_backtrace.rb
index 00c96b3b9f..dad7dfcb55 100644
--- a/test/ruby/test_backtrace.rb
+++ b/test/ruby/test_backtrace.rb
@@ -138,10 +138,103 @@ class TestBacktrace < Test::Unit::TestCase
rec[m]
end
+ def test_caller_with_limit
+ x = nil
+ c = Class.new do
+ define_method(:bar) do
+ x = caller(1, 1)
+ end
+ end
+ [c.new].group_by(&:bar)
+ assert_equal 1, x.length
+ assert_equal caller(0), caller(0, nil)
+ end
+
def test_caller_with_nil_length
assert_equal caller(0), caller(0, nil)
end
+ def test_each_backtrace_location
+ assert_nil(Thread.each_caller_location {})
+
+ assert_raise(LocalJumpError) {Thread.each_caller_location}
+
+ i = 0
+ cl = caller_locations(1, 1)[0]; ecl = Thread.each_caller_location{|x| i+=1; break x if i == 1}
+ assert_equal(cl.to_s, ecl.to_s)
+ assert_kind_of(Thread::Backtrace::Location, ecl)
+
+ i = 0
+ ary = []
+ cllr = caller_locations(1, 2); last = Thread.each_caller_location{|x| ary << x; i+=1; break x if i == 2}
+ assert_equal(cllr.map(&:to_s), ary.map(&:to_s))
+ assert_kind_of(Thread::Backtrace::Location, last)
+
+ i = 0
+ ary = []
+ ->{->{
+ cllr = caller_locations(1, 2); last = Thread.each_caller_location{|x| ary << x; i+=1; break x if i == 2}
+ }.()}.()
+ assert_equal(cllr.map(&:to_s), ary.map(&:to_s))
+ assert_kind_of(Thread::Backtrace::Location, last)
+
+ cllr = caller_locations(1, 2); ary = Thread.to_enum(:each_caller_location).to_a[2..3]
+ assert_equal(cllr.map(&:to_s), ary.map(&:to_s))
+
+ ecl = Thread.to_enum(:each_caller_location)
+ assert_raise(StopIteration) {
+ ecl.next
+ }
+
+ ary = []
+ cl = caller_locations(1, 2); Thread.each_caller_location(1, 2) {|x| ary << x}
+ assert_equal(cl.map(&:to_s), ary.map(&:to_s))
+ end
+
+ def test_caller_locations_first_label
+ def self.label
+ caller_locations.first.label
+ end
+
+ def self.label_caller
+ label
+ end
+
+ assert_equal 'label_caller', label_caller
+
+ [1].group_by do
+ assert_equal 'label_caller', label_caller
+ end
+ end
+
+ def test_caller_limit_cfunc_iseq_no_pc
+ def self.a; [1].group_by { b } end
+ def self.b
+ [
+ caller_locations(2, 1).first.base_label,
+ caller_locations(3, 1).first.base_label
+ ]
+ end
+ assert_equal({["each", "group_by"]=>[1]}, a)
+ end
+
+ def test_caller_location_inspect_cfunc_iseq_no_pc
+ def self.foo
+ @res = caller_locations(2, 1).inspect
+ end
+ @line = __LINE__ + 1
+ [1].map.map { [1].map.map { foo } }
+ assert_equal("[\"#{__FILE__}:#{@line}:in 'Array#map'\"]", @res)
+ end
+
+ def test_caller_location_path_cfunc_iseq_no_pc
+ def self.foo
+ @res = caller_locations(2, 1)[0].path
+ end
+ [1].map.map { [1].map.map { foo } }
+ assert_equal(__FILE__, @res)
+ end
+
def test_caller_locations
cs = caller(0); locs = caller_locations(0).map{|loc|
loc.to_s
@@ -207,13 +300,13 @@ class TestBacktrace < Test::Unit::TestCase
end
def test_caller_locations_label
- assert_equal("#{__method__}", caller_locations(0, 1)[0].label)
+ assert_equal("TestBacktrace##{__method__}", caller_locations(0, 1)[0].label)
loc, = tap {break caller_locations(0, 1)}
- assert_equal("block in #{__method__}", loc.label)
+ assert_equal("block in TestBacktrace##{__method__}", loc.label)
begin
raise
rescue
- assert_equal("rescue in #{__method__}", caller_locations(0, 1)[0].label)
+ assert_equal("TestBacktrace##{__method__}", caller_locations(0, 1)[0].label)
end
end
@@ -293,17 +386,17 @@ class TestBacktrace < Test::Unit::TestCase
def test_core_backtrace_hash_merge
e = assert_raise(TypeError) do
- {**nil}
+ {**1}
end
assert_not_match(/\Acore#/, e.backtrace_locations[0].base_label)
end
def test_notty_backtrace
- err = ["-:1:in `<main>': unhandled exception"]
+ err = ["-:1:in '<main>': unhandled exception"]
assert_in_out_err([], "raise", [], err)
- err = ["-:2:in `foo': foo! (RuntimeError)",
- "\tfrom -:4:in `<main>'"]
+ err = ["-:2:in 'Object#foo': foo! (RuntimeError)",
+ "\tfrom -:4:in '<main>'"]
assert_in_out_err([], <<-"end;", [], err)
def foo
raise "foo!"
@@ -311,12 +404,11 @@ class TestBacktrace < Test::Unit::TestCase
foo
end;
- err = ["-:7:in `rescue in bar': bar! (RuntimeError)",
- "\tfrom -:4:in `bar'",
- "\tfrom -:9:in `<main>'",
- "-:2:in `foo': foo! (RuntimeError)",
- "\tfrom -:5:in `bar'",
- "\tfrom -:9:in `<main>'"]
+ err = ["-:7:in 'Object#bar': bar! (RuntimeError)",
+ "\tfrom -:9:in '<main>'",
+ "-:2:in 'Object#foo': foo! (RuntimeError)",
+ "\tfrom -:5:in 'Object#bar'",
+ "\tfrom -:9:in '<main>'"]
assert_in_out_err([], <<-"end;", [], err)
def foo
raise "foo!"
@@ -331,7 +423,7 @@ class TestBacktrace < Test::Unit::TestCase
end
def test_caller_to_enum
- err = ["-:3:in `foo': unhandled exception", "\tfrom -:in `each'"]
+ err = ["-:3:in 'Object#foo': unhandled exception", "\tfrom -:in 'Enumerator#each'"]
assert_in_out_err([], <<-"end;", [], err, "[ruby-core:91911]")
def foo
return to_enum(__method__) unless block_given?
@@ -343,4 +435,35 @@ class TestBacktrace < Test::Unit::TestCase
enum.next
end;
end
+
+ def test_no_receiver_for_anonymous_class
+ err = ["-:2:in 'bar': unhandled exception", # Not '#<Class:0xXXX>.bar'
+ "\tfrom -:3:in '<main>'"]
+ assert_in_out_err([], <<-"end;", [], err)
+ foo = Class.new
+ def foo.bar = raise
+ foo.bar
+ end;
+
+ err = ["-:3:in 'baz': unhandled exception", # Not '#<Class:0xXXX>::Bar.baz'
+ "\tfrom -:4:in '<main>'"]
+ assert_in_out_err([], <<-"end;", [], err)
+ foo = Class.new
+ foo::Bar = Class.new
+ def (foo::Bar).baz = raise
+ foo::Bar.baz
+ end;
+ end
+
+ def test_backtrace_internal_frame
+ backtrace = tap { break caller_locations(0) }
+ assert_equal(__FILE__, backtrace[1].path) # not "<internal:kernel>"
+ assert_equal("Kernel#tap", backtrace[1].label)
+ end
+
+ def test_backtrace_on_argument_error
+ lineno = __LINE__; [1, 2].inject(:tap)
+ rescue ArgumentError
+ assert_equal("#{ __FILE__ }:#{ lineno }:in 'Kernel#tap'", $!.backtrace[0].to_s)
+ end
end