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misc.jl
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misc.jl
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# This file is a part of Julia. License is MIT: https://julialang.org/license
# Tests that do not really go anywhere else
# Test info
@test contains(sprint(io->info(io,"test")), "INFO:")
@test contains(sprint(io->info(io,"test")), "INFO: test")
@test contains(sprint(io->info(io,"test ",1,2,3)), "INFO: test 123")
@test contains(sprint(io->info(io,"test", prefix="MYINFO: ")), "MYINFO: test")
# Test warn
@test contains(sprint(io->Base.warn_once(io,"test")), "WARNING: test")
@test isempty(sprint(io->Base.warn_once(io,"test")))
@test contains(sprint(io->warn(io)), "WARNING:")
@test contains(sprint(io->warn(io, "test")), "WARNING: test")
@test contains(sprint(io->warn(io, "test ",1,2,3)), "WARNING: test 123")
@test contains(sprint(io->warn(io, "test", prefix="MYWARNING: ")), "MYWARNING: test")
@test contains(sprint(io->warn(io, "testonce", once=true)), "WARNING: testonce")
@test isempty(sprint(io->warn(io, "testonce", once=true)))
@test !isempty(sprint(io->warn(io, "testonce", once=true, key=hash("testonce",hash("testanother")))))
let bt = backtrace()
ws = split(chomp(sprint(io->warn(io,"test", bt))), '\n')
bs = split(chomp(sprint(io->Base.show_backtrace(io,bt))), '\n')
@test contains(ws[1],"WARNING: test")
for (l,b) in zip(ws[2:end],bs)
@test contains(l, b)
end
end
# test assert() method
@test_throws AssertionError assert(false)
let res = assert(true)
@test res === nothing
end
let
try
assert(false)
error("unexpected")
catch ex
@test isa(ex, AssertionError)
@test isempty(ex.msg)
end
end
# test @assert macro
@test_throws AssertionError (@assert 1 == 2)
@test_throws AssertionError (@assert false)
@test_throws AssertionError (@assert false "this is a test")
@test_throws AssertionError (@assert false "this is a test" "another test")
@test_throws AssertionError (@assert false :a)
let
try
@assert 1 == 2
error("unexpected")
catch ex
@test isa(ex, AssertionError)
@test contains(ex.msg, "1 == 2")
end
end
# test @assert message
let
try
@assert 1 == 2 "this is a test"
error("unexpected")
catch ex
@test isa(ex, AssertionError)
@test ex.msg == "this is a test"
end
end
# @assert only uses the first message string
let
try
@assert 1 == 2 "this is a test" "this is another test"
error("unexpected")
catch ex
@test isa(ex, AssertionError)
@test ex.msg == "this is a test"
end
end
# @assert calls string() on second argument
let
try
@assert 1 == 2 :random_object
error("unexpected")
catch ex
@test isa(ex, AssertionError)
@test !contains(ex.msg, "1 == 2")
@test contains(ex.msg, "random_object")
end
end
# if the second argument is an expression, c
let deepthought(x, y) = 42
try
@assert 1 == 2 string("the answer to the ultimate question: ",
deepthought(6, 9))
error("unexpected")
catch ex
@test isa(ex, AssertionError)
@test ex.msg == "the answer to the ultimate question: 42"
end
end
let # test the process title functions, issue #9957
oldtitle = Sys.get_process_title()
Sys.set_process_title("julia0x1")
@test Sys.get_process_title() == "julia0x1"
Sys.set_process_title(oldtitle)
@test Sys.get_process_title() == oldtitle
end
# test gc_enable/disable
@test gc_enable(true)
@test gc_enable(false)
@test gc_enable(false) == false
@test gc_enable(true) == false
@test gc_enable(true)
# test methodswith
immutable NoMethodHasThisType end
@test isempty(methodswith(NoMethodHasThisType))
@test !isempty(methodswith(Int))
immutable Type4Union end
func4union(::Union{Type4Union,Int}) = ()
@test !isempty(methodswith(Type4Union))
# PR #10984
# Disable on windows because of issue (missing flush) when redirecting STDERR.
let
redir_err = "redirect_stderr(STDOUT)"
exename = Base.julia_cmd()
script = "$redir_err; module A; f() = 1; end; A.f() = 1"
warning_str = readstring(`$exename --startup-file=no -e $script`)
@test contains(warning_str, "f()")
end
# lock / unlock
let l = ReentrantLock()
lock(l)
success = Ref(false)
@test trylock(l) do
@test lock(l) do
success[] = true
return :foo
end === :foo
return :bar
end === :bar
@test success[]
t = @async begin
@test trylock(l) do
@test false
end === false
end
wait(t)
unlock(l)
@test_throws ErrorException unlock(l)
end
# timing macros
# test that they don't introduce global vars
global v11801, t11801, names_before_timing
names_before_timing = names(current_module(), true)
let t = @elapsed 1+1
@test isa(t, Real) && t >= 0
end
let
val, t = @timed sin(1)
@test val == sin(1)
@test isa(t, Real) && t >= 0
end
# problem after #11801 - at global scope
t11801 = @elapsed 1+1
@test isa(t11801,Real) && t11801 >= 0
v11801, t11801 = @timed sin(1)
@test v11801 == sin(1)
@test isa(t11801,Real) && t11801 >= 0
@test names(current_module(), true) == names_before_timing
# interactive utilities
import Base.summarysize
@test summarysize(Core) > summarysize(Core.Inference) > Core.sizeof(Core)
@test summarysize(Base) > 10_000*sizeof(Int)
module _test_whos_
export x
x = 1.0
end
@test sprint(whos, Main, r"^$") == ""
let v = sprint(whos, _test_whos_)
@test contains(v, "x 8 bytes Float64")
end
# issue #13021
let ex = try
Main.x13021 = 0
nothing
catch ex
ex
end
@test isa(ex, ErrorException) && ex.msg == "cannot assign variables in other modules"
end
@test !Base.is_unix(:Windows)
@test !Base.is_linux(:Windows)
@test Base.is_linux(:Linux)
@test Base.is_windows(:Windows)
@test Base.is_windows(:NT)
@test !Base.is_windows(:Darwin)
@test Base.is_apple(:Darwin)
@test Base.is_apple(:Apple)
@test !Base.is_apple(:Windows)
@test Base.is_unix(:Darwin)
@test Base.is_unix(:FreeBSD)
@test_throws ArgumentError Base.is_unix(:BeOS)
if !is_windows()
@test Sys.windows_version() === (0, 0)
else
@test (Sys.windows_version()::Tuple{Int,Int})[1] > 0
end
# Issue 14173
module Tmp14173
export A
A = randn(2000, 2000)
end
whos(IOBuffer(), Tmp14173) # warm up
const MEMDEBUG = ccall(:jl_is_memdebug, Bool, ())
@test @allocated(whos(IOBuffer(), Tmp14173)) < (MEMDEBUG ? 30000 : 8000)
## test conversion from UTF-8 to UTF-16 (for Windows APIs)
# empty arrays
@test transcode(UInt16, UInt8[]) == UInt16[]
@test transcode(UInt8, UInt16[]) == UInt8[]
# UTF-8-like sequences
V8 = [
# 1-byte (ASCII)
([0x00],[0x0000])
([0x0a],[0x000a])
([0x7f],[0x007f])
# 2-byte
([0xc0,0x80],[0x0000]) # overlong encoding
([0xc1,0xbf],[0x007f]) # overlong encoding
([0xc2,0x80],[0x0080])
([0xc3,0xbf],[0x00ff])
([0xc4,0x80],[0x0100])
([0xc4,0xa3],[0x0123])
([0xdf,0xbf],[0x07ff])
# 3-byte
([0xe0,0x80,0x80],[0x0000]) # overlong encoding
([0xe0,0x81,0xbf],[0x007f]) # overlong encoding
([0xe0,0x82,0x80],[0x0080]) # overlong encoding
([0xe0,0x9f,0xbf],[0x07ff]) # overlong encoding
([0xe0,0xa0,0x80],[0x0800])
([0xe0,0xa2,0x9a],[0x089a])
([0xe1,0x88,0xb4],[0x1234])
([0xea,0xaf,0x8d],[0xabcd])
([0xed,0x9f,0xbf],[0xd7ff])
([0xed,0xa0,0x80],[0xd800]) # invalid code point – high surrogate
([0xed,0xaf,0xbf],[0xdbff]) # invalid code point – high surrogate
([0xed,0xb0,0x80],[0xdc00]) # invalid code point – low surrogate
([0xed,0xbf,0xbf],[0xdfff]) # invalid code point – low surrogate
([0xee,0x80,0x80],[0xe000])
([0xef,0xbf,0xbf],[0xffff])
# 4-byte
([0xf0,0x80,0x80,0x80],[0x0000]) # overlong encoding
([0xf0,0x80,0x81,0xbf],[0x007f]) # overlong encoding
([0xf0,0x80,0x82,0x80],[0x0080]) # overlong encoding
([0xf0,0x80,0x9f,0xbf],[0x07ff]) # overlong encoding
([0xf0,0x80,0xa0,0x80],[0x0800]) # overlong encoding
([0xf0,0x8f,0xbf,0xbf],[0xffff]) # overlong encoding
([0xf0,0x90,0x80,0x80],[0xd800,0xdc00]) # U+10000
([0xf0,0x90,0x8d,0x88],[0xd800,0xdf48]) # U+10348
([0xf0,0x90,0x90,0xb7],[0xd801,0xdc37]) # U+10437
([0xf0,0xa4,0xad,0xa2],[0xd852,0xdf62]) # U+24b62
([0xf2,0xab,0xb3,0x9e],[0xda6f,0xdcde]) # U+abcde
([0xf3,0xbf,0xbf,0xbf],[0xdbbf,0xdfff]) # U+fffff
([0xf4,0x80,0x80,0x80],[0xdbc0,0xdc00]) # U+100000
([0xf4,0x8a,0xaf,0x8d],[0xdbea,0xdfcd]) # U+10abcd
([0xf4,0x8f,0xbf,0xbf],[0xdbff,0xdfff]) # U+10ffff
]
# non UTF-8-like sequences
X8 = Vector{UInt8}[
# invalid 1-byte sequences
[0x80], # 1 leading ones
[0xbf],
[0xc0], # 2 leading ones
[0xdf],
[0xe0], # 3 leading ones
[0xef],
[0xf0], # 4 leading ones
[0xf7],
[0xf8], # 5 leading ones
[0xfb],
[0xfc], # 6 leading ones
[0xfd],
[0xfe], # 7 leading ones
[0xff], # 8 leading ones
# other invalid sequences
[0xf4,0x90,0xbf,0xbf],
[0xf4,0x91,0x80,0x80],
[0xf7,0x80,0x80,0x80],
[0xf7,0xbf,0xbf,0xbf],
[0xf8,0x80,0x80,0x80],
[0xf8,0xbf,0xbf,0xbf],
[0xff,0x80,0x80,0x80],
[0xff,0xbf,0xbf,0xbf],
]
for s in [map(first,V8); X8],
i = 1:length(s)-1,
j = i+1:length(s)-(i==1)
ss = s[i:j]
ss in X8 || push!(X8, ss)
end
sort!(X8, lt=lexless)
sort!(X8, by=length)
I8 = [(s,map(UInt16,s)) for s in X8]
for (X,Y,Z) in ((V8,V8,V8), (I8,V8,I8), (V8,I8,V8), (V8,V8,I8), (I8,V8,V8))
for (a8, a16) in X
@test transcode(UInt16, a8) == a16
for (b8, b16) in Y
ab8 = [a8; b8]
ab16 = [a16; b16]
@test transcode(UInt16, ab8) == ab16
for (c8, c16) in Z
abc8 = [ab8; c8]
abc16 = [ab16; c16]
@test transcode(UInt16, abc8) == abc16
end
end
end
end
# UTF-16-like sequences
V16 = [
# 1-unit UTF-16, 1-byte UTF-8 (ASCII)
([0x0000],[0x00])
([0x000a],[0x0a])
([0x007f],[0x7f])
# 1-unit UTF-16, 2-byte UTF-8
([0x0080],[0xc2,0x80])
([0x00ff],[0xc3,0xbf])
([0x0100],[0xc4,0x80])
([0x0123],[0xc4,0xa3])
([0x07ff],[0xdf,0xbf])
# 1-unit UTF-16, 3-byte UTF-8
([0x0800],[0xe0,0xa0,0x80])
([0x089a],[0xe0,0xa2,0x9a])
([0x1234],[0xe1,0x88,0xb4])
([0xabcd],[0xea,0xaf,0x8d])
([0xd7ff],[0xed,0x9f,0xbf])
([0xe000],[0xee,0x80,0x80])
([0xffff],[0xef,0xbf,0xbf])
# 2-unit UTF-16, 4-byte UTF-8
([0xd800,0xdc00],[0xf0,0x90,0x80,0x80]) # U+10000
([0xd800,0xdf48],[0xf0,0x90,0x8d,0x88]) # U+10348
([0xd801,0xdc37],[0xf0,0x90,0x90,0xb7]) # U+10437
([0xd852,0xdf62],[0xf0,0xa4,0xad,0xa2]) # U+24b62
([0xda6f,0xdcde],[0xf2,0xab,0xb3,0x9e]) # U+abcde
([0xdbbf,0xdfff],[0xf3,0xbf,0xbf,0xbf]) # U+fffff
([0xdbc0,0xdc00],[0xf4,0x80,0x80,0x80]) # U+100000
([0xdbea,0xdfcd],[0xf4,0x8a,0xaf,0x8d]) # U+10abcd
([0xdbff,0xdfff],[0xf4,0x8f,0xbf,0xbf]) # U+10ffff
]
I16 = [
([0xd800],[0xed,0xa0,0x80]) # high surrogate
([0xdbff],[0xed,0xaf,0xbf]) # high surrogate
([0xdc00],[0xed,0xb0,0x80]) # low surrogate
([0xdfff],[0xed,0xbf,0xbf]) # low surrogate
]
for (X,Y,Z) in ((V16,V16,V16), (I16,V16,I16), (V16,I16,V16), (V16,V16,I16), (I16,V16,V16))
for (a16, a8) in X
@test transcode(UInt8, a16) == a8
@test transcode(UInt16, a8) == a16
for (b16, b8) in Y
ab16 = [a16; b16]
ab8 = [a8; b8]
@test transcode(UInt8, ab16) == ab8
@test transcode(UInt16, ab8) == ab16
for (c16, c8) in Z
abc16 = [ab16; c16]
abc8 = [ab8; c8]
@test transcode(UInt8, abc16) == abc8
@test transcode(UInt16, abc8) == abc16
end
end
end
end
let s = "abcα🐨\0x\0"
for T in (UInt8, UInt16, UInt32, Int32)
@test transcode(T, s) == transcode(T, s.data)
@test transcode(String, transcode(T, s)) == s
end
end
# clipboard functionality
if is_windows()
for str in ("Hello, world.", "∀ x ∃ y", "")
clipboard(str)
@test clipboard() == str
end
end
optstring = sprint(show, Base.JLOptions())
@test startswith(optstring, "JLOptions(")
@test endswith(optstring, ")")
# Base.securezero! functions (#17579)
import Base: securezero!, unsafe_securezero!
let a = [1,2,3]
@test securezero!(a) === a == [0,0,0]
a[:] = 1:3
@test unsafe_securezero!(pointer(a), length(a)) == pointer(a)
@test a == [0,0,0]
a[:] = 1:3
@test unsafe_securezero!(Ptr{Void}(pointer(a)), sizeof(a)) == Ptr{Void}(pointer(a))
@test a == [0,0,0]
end
let creds = Base.LibGit2.CachedCredentials()
LibGit2.get_creds!(creds, "foo", LibGit2.SSHCredentials()).pass = "bar"
securezero!(creds)
@test LibGit2.get_creds!(creds, "foo", nothing).pass == "\0\0\0"
end
# Test that we can VirtualProtect jitted code to writable
if is_windows()
@noinline function WeVirtualProtectThisToRWX(x, y)
x+y
end
let addr = cfunction(WeVirtualProtectThisToRWX, UInt64, (UInt64, UInt64))
addr = addr-(UInt64(addr)%4096)
const PAGE_EXECUTE_READWRITE = 0x40
oldPerm = Ref{UInt32}()
err18083 = ccall(:VirtualProtect,stdcall,Cint,
(Ptr{Void}, Csize_t, UInt32, Ptr{UInt32}),
addr, 4096, PAGE_EXECUTE_READWRITE, oldPerm)
err18083 == 0 && error(Libc.GetLastError())
end
end