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|
# Check that global tracepoints work
assert_equal 'true', %q{
def foo
1
end
foo
foo
foo
called = false
tp = TracePoint.new(:return) { |event|
if event.method_id == :foo
called = true
end
}
tp.enable
foo
tp.disable
called
}
# Check that local tracepoints work
assert_equal 'true', %q{
def foo
1
end
foo
foo
foo
called = false
tp = TracePoint.new(:return) { |_| called = true }
tp.enable(target: method(:foo))
foo
tp.disable
called
}
# Make sure that optional param methods return the correct value
assert_equal '1', %q{
def m(ary = [])
yield(ary)
end
# Warm the JIT with a 0 param call
2.times { m { } }
m(1) { |v| v }
}
# Test for topn
assert_equal 'array', %q{
def threequals(a)
case a
when Array
"array"
when Hash
"hash"
else
"unknown"
end
end
threequals([])
threequals([])
threequals([])
}
# Test for opt_mod
assert_equal '2', %q{
def mod(a, b)
a % b
end
mod(7, 5)
mod(7, 5)
}
# Test for opt_mult
assert_equal '12', %q{
def mult(a, b)
a * b
end
mult(6, 2)
mult(6, 2)
}
# Test for opt_div
assert_equal '3', %q{
def div(a, b)
a / b
end
div(6, 2)
div(6, 2)
}
# BOP redefined methods work when JIT compiled
assert_equal 'false', %q{
def less_than x
x < 10
end
class Integer
def < x
false
end
end
less_than 2
less_than 2
less_than 2
}
# BOP redefinition works on Integer#<
assert_equal 'false', %q{
def less_than x
x < 10
end
less_than 2
less_than 2
class Integer
def < x
false
end
end
less_than 2
}
# Putobject, less-than operator, fixnums
assert_equal '2', %q{
def check_index(index)
if 0x40000000 < index
raise "wat? #{index}"
end
index
end
check_index 2
check_index 2
}
# foo leaves a temp on the stack before the call
assert_equal '6', %q{
def bar
return 5
end
def foo
return 1 + bar
end
foo()
retval = foo()
}
# Method with one arguments
# foo leaves a temp on the stack before the call
assert_equal '7', %q{
def bar(a)
return a + 1
end
def foo
return 1 + bar(5)
end
foo()
retval = foo()
}
# Method with two arguments
# foo leaves a temp on the stack before the call
assert_equal '0', %q{
def bar(a, b)
return a - b
end
def foo
return 1 + bar(1, 2)
end
foo()
retval = foo()
}
# Passing argument types to callees
assert_equal '8.5', %q{
def foo(x, y)
x + y
end
def bar
foo(7, 1.5)
end
bar
bar
}
# Recursive Ruby-to-Ruby calls
assert_equal '21', %q{
def fib(n)
if n < 2
return n
end
return fib(n-1) + fib(n-2)
end
r = fib(8)
}
# Ruby-to-Ruby call and C call
assert_normal_exit %q{
def bar
puts('hi!')
end
def foo
bar
end
foo()
foo()
}
# Method aliasing
assert_equal '42', %q{
class Foo
def method_a
42
end
alias method_b method_a
def method_a
:somethingelse
end
end
@obj = Foo.new
def test
@obj.method_b
end
test
test
}
# Method aliasing with method from parent class
assert_equal '777', %q{
class A
def method_a
777
end
end
class B < A
alias method_b method_a
end
@obj = B.new
def test
@obj.method_b
end
test
test
}
# The hash method is a C function and uses the self argument
assert_equal 'true', %q{
def lehashself
hash
end
a = lehashself
b = lehashself
a == b
}
# Method redefinition (code invalidation) test
assert_equal '1', %q{
def ret1
return 1
end
klass = Class.new do
def alias_then_hash(klass, method_to_redefine)
# Redefine the method to be ret1
klass.alias_method(method_to_redefine, :ret1)
hash
end
end
instance = klass.new
i = 0
while i < 12
if i < 11
# Redefine the bar method
instance.alias_then_hash(klass, :bar)
else
# Redefine the hash method to be ret1
retval = instance.alias_then_hash(klass, :hash)
end
i += 1
end
retval
}
# Code invalidation and opt_getinlinecache
assert_normal_exit %q{
class Foo; end
# Uses the class constant Foo
def use_constant(arg)
[Foo.new, arg]
end
def propagate_type
i = Array.new
i.itself # make it remember that i is on-heap
use_constant(i)
end
propagate_type
propagate_type
use_constant(Foo.new)
class Jo; end # bump global constant state
use_constant(3)
}
# Method redefinition (code invalidation) and GC
assert_equal '7', %q{
def bar()
return 5
end
def foo()
bar()
end
foo()
foo()
def bar()
return 7
end
4.times { GC.start }
foo()
foo()
}
# Method redefinition with two block versions
assert_equal '7', %q{
def bar()
return 5
end
def foo(n)
return ((n < 5)? 5:false), bar()
end
foo(4)
foo(4)
foo(10)
foo(10)
def bar()
return 7
end
4.times { GC.start }
foo(4)
foo(4)[1]
}
# Test for GC safety. Don't invalidate dead iseqs.
assert_normal_exit %q{
Class.new do
def foo
itself
end
new.foo
new.foo
new.foo
new.foo
end
4.times { GC.start }
def itself
self
end
}
# test setinstancevariable on extended objects
assert_equal '1', %q{
class Extended
attr_reader :one
def write_many
@a = 1
@b = 2
@c = 3
@d = 4
@one = 1
end
end
foo = Extended.new
foo.write_many
foo.write_many
foo.write_many
}
# test setinstancevariable on embedded objects
assert_equal '1', %q{
class Embedded
attr_reader :one
def write_one
@one = 1
end
end
foo = Embedded.new
foo.write_one
foo.write_one
foo.write_one
}
# test setinstancevariable after extension
assert_equal '[10, 11, 12, 13, 1]', %q{
class WillExtend
attr_reader :one
def make_extended
@foo1 = 10
@foo2 = 11
@foo3 = 12
@foo4 = 13
end
def write_one
@one = 1
end
def read_all
[@foo1, @foo2, @foo3, @foo4, @one]
end
end
foo = WillExtend.new
foo.write_one
foo.write_one
foo.make_extended
foo.write_one
foo.read_all
}
# test setinstancevariable on frozen object
assert_equal 'object was not modified', %q{
class WillFreeze
def write
@ivar = 1
end
end
wf = WillFreeze.new
wf.write
wf.write
wf.freeze
begin
wf.write
rescue FrozenError
"object was not modified"
end
}
# Test getinstancevariable and inline caches
assert_equal '6', %q{
class Foo
def initialize
@x1 = 1
@x2 = 1
@x2 = 1
@x3 = 1
@x4 = 3
end
def bar
x = 1
@x4 + @x4
end
end
f = Foo.new
f.bar
f.bar
}
# Test that getinstancevariable codegen checks for extended table size
assert_equal "nil\n", %q{
class A
def read
@ins1000
end
end
ins = A.new
other = A.new
10.times { other.instance_variable_set(:"@otr#{_1}", 'value') }
1001.times { ins.instance_variable_set(:"@ins#{_1}", 'value') }
ins.read
ins.read
ins.read
p other.read
}
# Test that opt_aref checks the class of the receiver
assert_equal 'special', %q{
def foo(array)
array[30]
end
foo([])
foo([])
special = []
def special.[](idx)
'special'
end
foo(special)
}
# Test that object references in generated code get marked and moved
assert_equal "good", %q{
def bar
"good"
end
def foo
bar
end
foo
foo
GC.verify_compaction_references(double_heap: true, toward: :empty)
foo
}
# Test polymorphic getinstancevariable. T_OBJECT -> T_STRING
assert_equal 'ok', %q{
@hello = @h1 = @h2 = @h3 = @h4 = 'ok'
str = ""
str.instance_variable_set(:@hello, 'ok')
public def get
@hello
end
get
get
str.get
str.get
}
# Test polymorphic getinstancevariable, two different classes
assert_equal 'ok', %q{
class Embedded
def initialize
@ivar = 0
end
def get
@ivar
end
end
class Extended < Embedded
def initialize
@v1 = @v2 = @v3 = @v4 = @ivar = 'ok'
end
end
embed = Embedded.new
extend = Extended.new
embed.get
embed.get
extend.get
extend.get
}
# Test megamorphic getinstancevariable
assert_equal 'ok', %q{
parent = Class.new do
def initialize
@hello = @h1 = @h2 = @h3 = @h4 = 'ok'
end
def get
@hello
end
end
subclasses = 300.times.map { Class.new(parent) }
subclasses.each { _1.new.get }
parent.new.get
}
# Test polymorphic opt_aref. array -> hash
assert_equal '[42, :key]', %q{
def index(obj, idx)
obj[idx]
end
index([], 0) # get over compilation threshold
[
index([42], 0),
index({0=>:key}, 0),
]
}
# Test polymorphic opt_aref. hash -> array -> custom class
assert_equal '[nil, nil, :custom]', %q{
def index(obj, idx)
obj[idx]
end
custom = Object.new
def custom.[](_idx)
:custom
end
index({}, 0) # get over compilation threshold
[
index({}, 0),
index([], 0),
index(custom, 0)
]
}
# Test polymorphic opt_aref. array -> custom class
assert_equal '[42, :custom]', %q{
def index(obj, idx)
obj[idx]
end
custom = Object.new
def custom.[](_idx)
:custom
end
index([], 0) # get over compilation threshold
[
index([42], 0),
index(custom, 0)
]
}
# Test custom hash method with opt_aref
assert_equal '[nil, :ok]', %q{
def index(obj, idx)
obj[idx]
end
custom = Object.new
def custom.hash
42
end
h = {custom => :ok}
[
index(h, 0),
index(h, custom)
]
}
# Test default value block for Hash with opt_aref
assert_equal '[42, :default]', %q{
def index(obj, idx)
obj[idx]
end
h = Hash.new { :default }
h[0] = 42
[
index(h, 0),
index(h, 1)
]
}
# A regression test for making sure cfp->sp is proper when
# hitting stubs. See :stub-sp-flush:
assert_equal 'ok', %q{
class D
def foo
Object.new
end
end
GC.stress = true
10.times do
D.new.foo
# ^
# This hits a stub with sp_offset > 0
end
:ok
}
# Test polymorphic callsite, cfunc -> iseq
assert_equal '[Cfunc, Iseq]', %q{
public def call_itself
itself # the polymorphic callsite
end
class Cfunc; end
class Iseq
def itself
self
end
end
call_itself # cross threshold
[Cfunc.call_itself, Iseq.call_itself]
}
# Test polymorphic callsite, iseq -> cfunc
assert_equal '[Iseq, Cfunc]', %q{
public def call_itself
itself # the polymorphic callsite
end
class Cfunc; end
class Iseq
def itself
self
end
end
call_itself # cross threshold
[Iseq.call_itself, Cfunc.call_itself]
}
# attr_reader method
assert_equal '[100, 299]', %q{
class A
attr_reader :foo
def initialize
@foo = 100
end
# Make it extended
def fill!
@bar = @jojo = @as = @sdfsdf = @foo = 299
end
end
def bar(ins)
ins.foo
end
ins = A.new
oth = A.new
oth.fill!
bar(ins)
bar(oth)
[bar(ins), bar(oth)]
}
# get ivar on object, then on hash
assert_equal '[42, 100]', %q{
class Hash
attr_accessor :foo
end
class A
attr_reader :foo
def initialize
@foo = 42
end
end
def use(val)
val.foo
end
h = {}
h.foo = 100
obj = A.new
use(obj)
[use(obj), use(h)]
}
# get ivar on String
assert_equal '[nil, nil, 42, 42]', %q{
# @foo to exercise the getinstancevariable instruction
public def get_foo
@foo
end
get_foo
get_foo # compile it for the top level object
class String
attr_reader :foo
end
def run
str = String.new
getter = str.foo
insn = str.get_foo
str.instance_variable_set(:@foo, 42)
[getter, insn, str.foo, str.get_foo]
end
run
run
}
# splatting an empty array on a getter
assert_equal '42', %q{
@foo = 42
module Kernel
attr_reader :foo
end
def run
foo(*[])
end
run
run
}
# getinstancevariable on Symbol
assert_equal '[nil, nil]', %q{
# @foo to exercise the getinstancevariable instruction
public def get_foo
@foo
end
dyn_sym = ("a" + "b").to_sym
sym = :static
# compile get_foo
dyn_sym.get_foo
dyn_sym.get_foo
[dyn_sym.get_foo, sym.get_foo]
}
# attr_reader on Symbol
assert_equal '[nil, nil]', %q{
class Symbol
attr_reader :foo
end
public def get_foo
foo
end
dyn_sym = ("a" + "b").to_sym
sym = :static
# compile get_foo
dyn_sym.get_foo
dyn_sym.get_foo
[dyn_sym.get_foo, sym.get_foo]
}
# passing too few arguments to method with optional parameters
assert_equal 'raised', %q{
def opt(a, b = 0)
end
def use
opt
end
use rescue nil
begin
use
:ng
rescue ArgumentError
:raised
end
}
# passing too many arguments to method with optional parameters
assert_equal 'raised', %q{
def opt(a, b = 0)
end
def use
opt(1, 2, 3, 4)
end
use rescue nil
begin
use
:ng
rescue ArgumentError
:raised
end
}
# test calling Ruby method with a block
assert_equal '[1, 2, 42]', %q{
def thing(a, b)
[a, b, yield]
end
def use
thing(1,2) { 42 }
end
use
use
}
# test calling C method with a block
assert_equal '[42, 42]', %q{
def use(array, initial)
array.reduce(initial) { |a, b| a + b }
end
use([], 0)
[use([2, 2], 38), use([14, 14, 14], 0)]
}
# test calling block param
assert_equal '[1, 2, 42]', %q{
def foo(&block)
block.call
end
[foo {1}, foo {2}, foo {42}]
}
# test calling block param failing
assert_equal '42', %q{
def foo(&block)
block.call
end
foo {} # warmup
begin
foo
rescue NoMethodError => e
42 if nil == e.receiver
end
}
# test calling method taking block param
assert_equal '[Proc, 1, 2, 3, Proc]', %q{
def three(a, b, c, &block)
[a, b, c, block.class]
end
def zero(&block)
block.class
end
def use_three
three(1, 2, 3) {}
end
def use_zero
zero {}
end
use_three
use_zero
[use_zero] + use_three
}
# test building empty array
assert_equal '[]', %q{
def build_arr
[]
end
build_arr
build_arr
}
# test building array of one element
assert_equal '[5]', %q{
def build_arr(val)
[val]
end
build_arr(5)
build_arr(5)
}
# test building array of several element
assert_equal '[5, 5, 5, 5, 5]', %q{
def build_arr(val)
[val, val, val, val, val]
end
build_arr(5)
build_arr(5)
}
# test building empty hash
assert_equal '{}', %q{
def build_hash
{}
end
build_hash
build_hash
}
# test building hash with values
assert_equal '{:foo=>:bar}', %q{
def build_hash(val)
{ foo: val }
end
build_hash(:bar)
build_hash(:bar)
}
# test string interpolation with known types
assert_equal 'foobar', %q{
def make_str
foo = -"foo"
bar = -"bar"
"#{foo}#{bar}"
end
make_str
make_str
}
# test string interpolation with unknown types
assert_equal 'foobar', %q{
def make_str(foo, bar)
"#{foo}#{bar}"
end
make_str("foo", "bar")
make_str("foo", "bar")
}
# test string interpolation with known non-strings
assert_equal 'foo123', %q{
def make_str
foo = -"foo"
bar = 123
"#{foo}#{bar}"
end
make_str
make_str
}
# test string interpolation with unknown non-strings
assert_equal 'foo123', %q{
def make_str(foo, bar)
"#{foo}#{bar}"
end
make_str("foo", 123)
make_str("foo", 123)
}
# test invokebuiltin_delegate as used inside Dir.open
assert_equal '.', %q{
def foo(path)
Dir.open(path).path
end
foo(".")
foo(".")
}
# test invokebuiltin_delegate_leave in method called from jit
assert_normal_exit %q{
def foo(obj)
obj.clone
end
foo(Object.new)
foo(Object.new)
}
# test invokebuiltin_delegate_leave in method called from cfunc
assert_normal_exit %q{
def foo(obj)
[obj].map(&:clone)
end
foo(Object.new)
foo(Object.new)
}
# defining TrueClass#!
assert_equal '[false, false, :ok]', %q{
def foo(obj)
!obj
end
x = foo(true)
y = foo(true)
class TrueClass
def !
:ok
end
end
z = foo(true)
[x, y, z]
}
# defining FalseClass#!
assert_equal '[true, true, :ok]', %q{
def foo(obj)
!obj
end
x = foo(false)
y = foo(false)
class FalseClass
def !
:ok
end
end
z = foo(false)
[x, y, z]
}
# defining NilClass#!
assert_equal '[true, true, :ok]', %q{
def foo(obj)
!obj
end
x = foo(nil)
y = foo(nil)
class NilClass
def !
:ok
end
end
z = foo(nil)
[x, y, z]
}
# polymorphic opt_not
assert_equal '[true, true, false, false, false, false, false]', %q{
def foo(obj)
!obj
end
foo(0)
[foo(nil), foo(false), foo(true), foo([]), foo(0), foo(4.2), foo(:sym)]
}
# getlocal with 2 levels
assert_equal '7', %q{
def foo(foo, bar)
while foo > 0
while bar > 0
return foo + bar
end
end
end
foo(5,2)
foo(5,2)
}
# test pattern matching
assert_equal '[:ok, :ok]', %q{
class C
def destructure_keys
{}
end
end
pattern_match = ->(i) do
case i
in a: 0
:ng
else
:ok
end
end
[{}, C.new].map(&pattern_match)
}
# Call to object with singleton
assert_equal '123', %q{
obj = Object.new
def obj.foo
123
end
def foo(obj)
obj.foo()
end
foo(obj)
foo(obj)
}
# Call method on an object that has a non-material
# singleton class.
# TODO: assert that it takes no side exits? This
# test case revealed that we were taking exits unnecessarily.
assert_normal_exit %q{
def foo(obj)
obj.itself
end
o = Object.new.singleton_class
foo(o)
foo(o)
}
# Call to singleton class
assert_equal '123', %q{
class Foo
def self.foo
123
end
end
def foo(obj)
obj.foo()
end
foo(Foo)
foo(Foo)
}
# invokesuper edge case
assert_equal '[:A, [:A, :B]]', %q{
class B
def foo = :B
end
class A < B
def foo = [:A, super()]
end
A.new.foo
A.new.foo # compile A#foo
class C < A
define_method(:bar, A.instance_method(:foo))
end
C.new.bar
}
# Same invokesuper bytecode, multiple destinations
assert_equal '[:Forward, :SecondTerminus]', %q{
module Terminus
def foo = :Terminus
end
module SecondTerminus
def foo = :SecondTerminus
end
module Forward
def foo = [:Forward, super]
end
class B
include SecondTerminus
end
class A < B
include Terminus
include Forward
end
A.new.foo
A.new.foo # compile
class B
include Forward
alias bar foo
end
# A.ancestors.take(5) == [A, Forward, Terminus, B, Forward, SecondTerminus]
A.new.bar
}
# invokesuper calling into itself
assert_equal '[:B, [:B, :m]]', %q{
module M
def foo = :m
end
class B
include M
def foo = [:B, super]
end
ins = B.new
ins.singleton_class # materialize the singleton class
ins.foo
ins.foo # compile
ins.singleton_class.define_method(:bar, B.instance_method(:foo))
ins.bar
}
# Call to fixnum
assert_equal '[true, false]', %q{
def is_odd(obj)
obj.odd?
end
is_odd(1)
is_odd(1)
[is_odd(123), is_odd(456)]
}
# Call to bignum
assert_equal '[true, false]', %q{
def is_odd(obj)
obj.odd?
end
bignum = 99999999999999999999
is_odd(bignum)
is_odd(bignum)
[is_odd(bignum), is_odd(bignum+1)]
}
# Call to fixnum and bignum
assert_equal '[true, false, true, false]', %q{
def is_odd(obj)
obj.odd?
end
bignum = 99999999999999999999
is_odd(bignum)
is_odd(bignum)
is_odd(123)
is_odd(123)
[is_odd(123), is_odd(456), is_odd(bignum), is_odd(bignum+1)]
}
# Call to static and dynamic symbol
assert_equal 'bar', %q{
def to_string(obj)
obj.to_s
end
to_string(:foo)
to_string(:foo)
to_string((-"bar").to_sym)
to_string((-"bar").to_sym)
}
# Call to flonum and heap float
assert_equal '[nil, nil, nil, 1]', %q{
def is_inf(obj)
obj.infinite?
end
is_inf(0.0)
is_inf(0.0)
is_inf(1e256)
is_inf(1e256)
[
is_inf(0.0),
is_inf(1.0),
is_inf(1e256),
is_inf(1.0/0.0)
]
}
assert_equal '[1, 2, 3, 4, 5]', %q{
def splatarray
[*(1..5)]
end
splatarray
splatarray
}
assert_equal '[1, 1, 2, 1, 2, 3]', %q{
def expandarray
arr = [1, 2, 3]
a, = arr
b, c, = arr
d, e, f = arr
[a, b, c, d, e, f]
end
expandarray
expandarray
}
assert_equal '[1, 1]', %q{
def expandarray_useless_splat
arr = (1..10).to_a
a, * = arr
b, (*) = arr
[a, b]
end
expandarray_useless_splat
expandarray_useless_splat
}
assert_equal '[:not_heap, nil, nil]', %q{
def expandarray_not_heap
a, b, c = :not_heap
[a, b, c]
end
expandarray_not_heap
expandarray_not_heap
}
assert_equal '[:not_array, nil, nil]', %q{
def expandarray_not_array(obj)
a, b, c = obj
[a, b, c]
end
obj = Object.new
def obj.to_ary
[:not_array]
end
expandarray_not_array(obj)
expandarray_not_array(obj)
}
assert_equal '[1, 2, nil]', %q{
def expandarray_rhs_too_small
a, b, c = [1, 2]
[a, b, c]
end
expandarray_rhs_too_small
expandarray_rhs_too_small
}
assert_equal '[1, [2]]', %q{
def expandarray_splat
a, *b = [1, 2]
[a, b]
end
expandarray_splat
expandarray_splat
}
assert_equal '2', %q{
def expandarray_postarg
*, a = [1, 2]
a
end
expandarray_postarg
expandarray_postarg
}
assert_equal '10', %q{
obj = Object.new
val = nil
obj.define_singleton_method(:to_ary) { val = 10; [] }
def expandarray_always_call_to_ary(object)
* = object
end
expandarray_always_call_to_ary(obj)
expandarray_always_call_to_ary(obj)
val
}
|