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test_browser.py
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test_browser.py
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# coding=utf-8
# Copyright 2013 The Emscripten Authors. All rights reserved.
# Emscripten is available under two separate licenses, the MIT license and the
# University of Illinois/NCSA Open Source License. Both these licenses can be
# found in the LICENSE file.
from __future__ import print_function
import argparse
import json
import multiprocessing
import os
import random
import re
import shlex
import shutil
import subprocess
import time
import unittest
import webbrowser
import zlib
from runner import BrowserCore, path_from_root, has_browser, EMTEST_BROWSER, no_fastcomp, no_wasm_backend, flaky, create_test_file, parameterized
from tools import system_libs
from tools.shared import PYTHON, EMCC, WINDOWS, FILE_PACKAGER, PIPE, SPIDERMONKEY_ENGINE, JS_ENGINES
from tools.shared import try_delete, Building, run_process, run_js
try:
from http.server import BaseHTTPRequestHandler, HTTPServer
except ImportError:
# Python 2 compatibility
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
def test_chunked_synchronous_xhr_server(support_byte_ranges, chunkSize, data, checksum, port):
class ChunkedServerHandler(BaseHTTPRequestHandler):
def sendheaders(s, extra=[], length=len(data)):
s.send_response(200)
s.send_header("Content-Length", str(length))
s.send_header("Access-Control-Allow-Origin", "http://localhost:%s" % port)
s.send_header("Access-Control-Expose-Headers", "Content-Length, Accept-Ranges")
s.send_header("Content-type", "application/octet-stream")
if support_byte_ranges:
s.send_header("Accept-Ranges", "bytes")
for i in extra:
s.send_header(i[0], i[1])
s.end_headers()
def do_HEAD(s):
s.sendheaders()
def do_OPTIONS(s):
s.sendheaders([("Access-Control-Allow-Headers", "Range")], 0)
def do_GET(s):
if not support_byte_ranges:
s.sendheaders()
s.wfile.write(data)
else:
start, end = s.headers.get("range").split("=")[1].split("-")
start = int(start)
end = int(end)
end = min(len(data) - 1, end)
length = end - start + 1
s.sendheaders([], length)
s.wfile.write(data[start:end + 1])
# CORS preflight makes OPTIONS requests which we need to account for.
expectedConns = 22
httpd = HTTPServer(('localhost', 11111), ChunkedServerHandler)
for i in range(expectedConns + 1):
httpd.handle_request()
def shell_with_script(shell_file, output_file, replacement):
with open(path_from_root('src', shell_file)) as input:
with open(output_file, 'w') as output:
output.write(input.read().replace('{{{ SCRIPT }}}', replacement))
def is_chrome():
return EMTEST_BROWSER and 'chrom' in EMTEST_BROWSER.lower()
def no_chrome(note='chrome is not supported'):
if is_chrome():
return unittest.skip(note)
return lambda f: f
def is_firefox():
return EMTEST_BROWSER and 'firefox' in EMTEST_BROWSER.lower()
def no_firefox(note='firefox is not supported'):
if is_firefox():
return unittest.skip(note)
return lambda f: f
def no_swiftshader(f):
def decorated(self):
if is_chrome() and '--use-gl=swiftshader' in EMTEST_BROWSER:
self.skipTest('not compatible with swiftshader')
return f(self)
return decorated
def requires_threads(f):
def decorated(self):
if os.environ.get('EMTEST_LACKS_THREAD_SUPPORT'):
self.skipTest('EMTEST_LACKS_THREAD_SUPPORT is set')
if is_chrome():
self.skipTest('Chrome leaks pthreads memory, https://bugs.chromium.org/p/v8/issues/detail?id=9075')
return f(self)
return decorated
requires_graphics_hardware = unittest.skipIf(os.getenv('EMTEST_LACKS_GRAPHICS_HARDWARE'), "This test requires graphics hardware")
requires_sound_hardware = unittest.skipIf(os.getenv('EMTEST_LACKS_SOUND_HARDWARE'), "This test requires sound hardware")
requires_sync_compilation = unittest.skipIf(is_chrome(), "This test requires synchronous compilation, which does not work in Chrome (except for tiny wasms)")
class browser(BrowserCore):
@classmethod
def setUpClass(self):
super(browser, self).setUpClass()
self.browser_timeout = 20
print()
print('Running the browser tests. Make sure the browser allows popups from localhost.')
print()
def test_sdl1_in_emscripten_nonstrict_mode(self):
if 'EMCC_STRICT' in os.environ and int(os.environ['EMCC_STRICT']):
self.skipTest('This test requires being run in non-strict mode (EMCC_STRICT env. variable unset)')
# TODO: This test is verifying behavior that will be deprecated at some point in the future, remove this test once
# system JS libraries are no longer automatically linked to anymore.
self.btest('hello_world_sdl.cpp', reference='htmltest.png')
def test_sdl1(self):
self.btest('hello_world_sdl.cpp', reference='htmltest.png', args=['-lSDL', '-lGL'])
self.btest('hello_world_sdl.cpp', reference='htmltest.png', args=['-s', 'USE_SDL=1', '-lGL']) # is the default anyhow
# Deliberately named as test_zzz_* to make this test the last one
# as this test may take the focus away from the main test window
# by opening a new window and possibly not closing it.
@no_wasm_backend('wasm source maps')
def test_zzz_html_source_map(self):
if not has_browser():
self.skipTest('need a browser')
cpp_file = 'src.cpp'
html_file = 'src.html'
# browsers will try to 'guess' the corresponding original line if a
# generated line is unmapped, so if we want to make sure that our
# numbering is correct, we need to provide a couple of 'possible wrong
# answers'. thus, we add some printf calls so that the cpp file gets
# multiple mapped lines. in other words, if the program consists of a
# single 'throw' statement, browsers may just map any thrown exception to
# that line, because it will be the only mapped line.
with open(cpp_file, 'w') as f:
f.write(r'''
#include <cstdio>
int main() {
printf("Starting test\n");
try {
throw 42; // line 8
} catch (int e) { }
printf("done\n");
return 0;
}
''')
# use relative paths when calling emcc, because file:// URIs can only load
# sourceContent when the maps are relative paths
try_delete(html_file)
try_delete(html_file + '.map')
self.compile_btest(['src.cpp', '-o', 'src.html', '-g4', '-s', 'WASM=0'])
self.assertExists(html_file)
self.assertExists(html_file + '.map')
webbrowser.open_new('file://' + html_file)
print('''
If manually bisecting:
Check that you see src.cpp among the page sources.
Even better, add a breakpoint, e.g. on the printf, then reload, then step
through and see the print (best to run with EMTEST_SAVE_DIR=1 for the reload).
''')
@no_wasm_backend('wasm source maps')
def test_emscripten_log(self):
# TODO: wasm support for source maps
src = 'src.cpp'
create_test_file(src, self.with_report_result(open(path_from_root('tests', 'emscripten_log', 'emscripten_log.cpp')).read()))
self.compile_btest([src, '--pre-js', path_from_root('src', 'emscripten-source-map.min.js'), '-g', '-o', 'page.html', '-s', 'DEMANGLE_SUPPORT=1', '-s', 'WASM=0'])
self.run_browser('page.html', None, '/report_result?1')
def build_native_lzma(self):
lzma_native = path_from_root('third_party', 'lzma.js', 'lzma-native')
if os.path.isfile(lzma_native) and os.access(lzma_native, os.X_OK):
return
cwd = os.getcwd()
try:
os.chdir(path_from_root('third_party', 'lzma.js'))
# On Windows prefer using MinGW make if it exists, otherwise fall back to hoping we have cygwin make.
if WINDOWS and Building.which('mingw32-make'):
run_process(['doit.bat'])
else:
run_process(['sh', './doit.sh'])
finally:
os.chdir(cwd)
def test_preload_file(self):
absolute_src_path = os.path.join(self.get_dir(), 'somefile.txt').replace('\\', '/')
open(absolute_src_path, 'w').write('''load me right before running the code please''')
absolute_src_path2 = os.path.join(self.get_dir(), '.somefile.txt').replace('\\', '/')
open(absolute_src_path2, 'w').write('''load me right before running the code please''')
absolute_src_path3 = os.path.join(self.get_dir(), 'some@file.txt').replace('\\', '/')
open(absolute_src_path3, 'w').write('''load me right before running the code please''')
def make_main(path):
print('make main at', path)
path = path.replace('\\', '\\\\').replace('"', '\\"') # Escape tricky path name for use inside a C string.
create_test_file('main.cpp', self.with_report_result(r'''
#include <stdio.h>
#include <string.h>
#include <emscripten.h>
int main() {
FILE *f = fopen("%s", "r");
char buf[100];
fread(buf, 1, 20, f);
buf[20] = 0;
fclose(f);
printf("|%%s|\n", buf);
int result = !strcmp("load me right before", buf);
REPORT_RESULT(result);
return 0;
}
''' % path))
test_cases = [
# (source preload-file string, file on target FS to load)
("somefile.txt", "somefile.txt"),
(".somefile.txt@somefile.txt", "somefile.txt"),
("./somefile.txt", "somefile.txt"),
("somefile.txt@file.txt", "file.txt"),
("./somefile.txt@file.txt", "file.txt"),
("./somefile.txt@./file.txt", "file.txt"),
("somefile.txt@/file.txt", "file.txt"),
("somefile.txt@/", "somefile.txt"),
(absolute_src_path + "@file.txt", "file.txt"),
(absolute_src_path + "@/file.txt", "file.txt"),
(absolute_src_path + "@/", "somefile.txt"),
("somefile.txt@/directory/file.txt", "/directory/file.txt"),
("somefile.txt@/directory/file.txt", "directory/file.txt"),
(absolute_src_path + "@/directory/file.txt", "directory/file.txt"),
("some@@file.txt@other.txt", "other.txt"),
("some@@file.txt@some@@otherfile.txt", "some@otherfile.txt")]
for test in test_cases:
(srcpath, dstpath) = test
print('Testing', srcpath, dstpath)
make_main(dstpath)
self.compile_btest(['main.cpp', '--preload-file', srcpath, '-o', 'page.html'])
self.run_browser('page.html', 'You should see |load me right before|.', '/report_result?1')
# Test that '--no-heap-copy' works.
if WINDOWS:
# On Windows, the following non-alphanumeric non-control code ASCII characters are supported.
# The characters <, >, ", |, ?, * are not allowed, because the Windows filesystem doesn't support those.
tricky_filename = '!#$%&\'()+,-. ;=@[]^_`{}~.txt'
else:
# All 7-bit non-alphanumeric non-control code ASCII characters except /, : and \ are allowed.
tricky_filename = '!#$%&\'()+,-. ;=@[]^_`{}~ "*<>?|.txt'
open(os.path.join(self.get_dir(), tricky_filename), 'w').write('''load me right before running the code please''')
make_main(tricky_filename)
# As an Emscripten-specific feature, the character '@' must be escaped in the form '@@' to not confuse with the 'src@dst' notation.
self.compile_btest(['main.cpp', '--preload-file', tricky_filename.replace('@', '@@'), '--no-heap-copy', '-o', 'page.html'])
self.run_browser('page.html', 'You should see |load me right before|.', '/report_result?1')
# By absolute path
make_main('somefile.txt') # absolute becomes relative
self.compile_btest(['main.cpp', '--preload-file', absolute_src_path, '-o', 'page.html'])
self.run_browser('page.html', 'You should see |load me right before|.', '/report_result?1')
# Test subdirectory handling with asset packaging.
try_delete('assets')
os.makedirs('assets/sub/asset1/'.replace('\\', '/'))
os.makedirs('assets/sub/asset1/.git'.replace('\\', '/')) # Test adding directory that shouldn't exist.
os.makedirs('assets/sub/asset2/'.replace('\\', '/'))
create_test_file('assets/sub/asset1/file1.txt', '''load me right before running the code please''')
create_test_file('assets/sub/asset1/.git/shouldnt_be_embedded.txt', '''this file should not get embedded''')
create_test_file('assets/sub/asset2/file2.txt', '''load me right before running the code please''')
absolute_assets_src_path = 'assets'.replace('\\', '/')
def make_main_two_files(path1, path2, nonexistingpath):
create_test_file('main.cpp', self.with_report_result(r'''
#include <stdio.h>
#include <string.h>
#include <emscripten.h>
int main() {
FILE *f = fopen("%s", "r");
char buf[100];
fread(buf, 1, 20, f);
buf[20] = 0;
fclose(f);
printf("|%%s|\n", buf);
int result = !strcmp("load me right before", buf);
f = fopen("%s", "r");
if (f == NULL)
result = 0;
fclose(f);
f = fopen("%s", "r");
if (f != NULL)
result = 0;
REPORT_RESULT(result);
return 0;
}
''' % (path1, path2, nonexistingpath)))
test_cases = [
# (source directory to embed, file1 on target FS to load, file2 on target FS to load, name of a file that *shouldn't* exist on VFS)
("assets", "assets/sub/asset1/file1.txt", "assets/sub/asset2/file2.txt", "assets/sub/asset1/.git/shouldnt_be_embedded.txt"),
("assets/", "assets/sub/asset1/file1.txt", "assets/sub/asset2/file2.txt", "assets/sub/asset1/.git/shouldnt_be_embedded.txt"),
("assets@/", "/sub/asset1/file1.txt", "/sub/asset2/file2.txt", "/sub/asset1/.git/shouldnt_be_embedded.txt"),
("assets/@/", "/sub/asset1/file1.txt", "/sub/asset2/file2.txt", "/sub/asset1/.git/shouldnt_be_embedded.txt"),
("assets@./", "/sub/asset1/file1.txt", "/sub/asset2/file2.txt", "/sub/asset1/.git/shouldnt_be_embedded.txt"),
(absolute_assets_src_path + "@/", "/sub/asset1/file1.txt", "/sub/asset2/file2.txt", "/sub/asset1/.git/shouldnt_be_embedded.txt"),
(absolute_assets_src_path + "@/assets", "/assets/sub/asset1/file1.txt", "/assets/sub/asset2/file2.txt", "assets/sub/asset1/.git/shouldnt_be_embedded.txt")]
for test in test_cases:
(srcpath, dstpath1, dstpath2, nonexistingpath) = test
make_main_two_files(dstpath1, dstpath2, nonexistingpath)
print(srcpath)
self.compile_btest(['main.cpp', '--preload-file', srcpath, '--exclude-file', '*/.*', '-o', 'page.html'])
self.run_browser('page.html', 'You should see |load me right before|.', '/report_result?1')
# Should still work with -o subdir/..
make_main('somefile.txt') # absolute becomes relative
try:
os.mkdir('dirrey')
except:
pass
self.compile_btest(['main.cpp', '--preload-file', absolute_src_path, '-o', 'dirrey/page.html'])
self.run_browser('dirrey/page.html', 'You should see |load me right before|.', '/report_result?1')
# With FS.preloadFile
create_test_file('pre.js', '''
Module.preRun = function() {
FS.createPreloadedFile('/', 'someotherfile.txt', 'somefile.txt', true, false); // we need --use-preload-plugins for this.
};
''')
make_main('someotherfile.txt')
self.compile_btest(['main.cpp', '--pre-js', 'pre.js', '-o', 'page.html', '--use-preload-plugins'])
self.run_browser('page.html', 'You should see |load me right before|.', '/report_result?1')
# Tests that user .html shell files can manually download .data files created with --preload-file cmdline.
def test_preload_file_with_manual_data_download(self):
create_test_file('src.cpp', self.with_report_result(open(os.path.join(path_from_root('tests/manual_download_data.cpp'))).read()))
create_test_file('file.txt', '''Hello!''')
self.compile_btest(['src.cpp', '-o', 'manual_download_data.js', '--preload-file', 'file.txt@/file.txt'])
shutil.copyfile(path_from_root('tests', 'manual_download_data.html'), 'manual_download_data.html')
self.run_browser('manual_download_data.html', 'Hello!', '/report_result?1')
# Tests that if the output files have single or double quotes in them, that it will be handled by correctly escaping the names.
def test_output_file_escaping(self):
tricky_part = '\'' if WINDOWS else '\' and \"' # On Windows, files/directories may not contain a double quote character. On non-Windowses they can, so test that.
d = 'dir with ' + tricky_part
abs_d = os.path.join(self.get_dir(), d)
try:
os.mkdir(abs_d)
except:
pass
txt = 'file with ' + tricky_part + '.txt'
abs_txt = os.path.join(abs_d, txt)
open(abs_txt, 'w').write('load me right before')
cpp = os.path.join(d, 'file with ' + tricky_part + '.cpp')
open(cpp, 'w').write(self.with_report_result(r'''
#include <stdio.h>
#include <string.h>
#include <emscripten.h>
int main() {
FILE *f = fopen("%s", "r");
char buf[100];
fread(buf, 1, 20, f);
buf[20] = 0;
fclose(f);
printf("|%%s|\n", buf);
int result = !strcmp("|load me right before|", buf);
REPORT_RESULT(result);
return 0;
}
''' % (txt.replace('\'', '\\\'').replace('\"', '\\"'))))
data_file = os.path.join(abs_d, 'file with ' + tricky_part + '.data')
data_js_file = os.path.join(abs_d, 'file with ' + tricky_part + '.js')
run_process([PYTHON, FILE_PACKAGER, data_file, '--use-preload-cache', '--indexedDB-name=testdb', '--preload', abs_txt + '@' + txt, '--js-output=' + data_js_file])
page_file = os.path.join(d, 'file with ' + tricky_part + '.html')
abs_page_file = os.path.join(self.get_dir(), page_file)
self.compile_btest([cpp, '--pre-js', data_js_file, '-o', abs_page_file, '-s', 'FORCE_FILESYSTEM=1'])
self.run_browser(page_file, '|load me right before|.', '/report_result?0')
def test_preload_caching(self):
create_test_file('main.cpp', self.with_report_result(r'''
#include <stdio.h>
#include <string.h>
#include <emscripten.h>
extern "C" {
extern int checkPreloadResults();
}
int main(int argc, char** argv) {
FILE *f = fopen("%s", "r");
char buf[100];
fread(buf, 1, 20, f);
buf[20] = 0;
fclose(f);
printf("|%%s|\n", buf);
int result = 0;
result += !strcmp("load me right before", buf);
result += checkPreloadResults();
REPORT_RESULT(result);
return 0;
}
''' % 'somefile.txt'))
create_test_file('test.js', '''
mergeInto(LibraryManager.library, {
checkPreloadResults: function() {
var cached = 0;
var packages = Object.keys(Module['preloadResults']);
packages.forEach(function(package) {
var fromCache = Module['preloadResults'][package]['fromCache'];
if (fromCache)
++ cached;
});
return cached;
}
});
''')
# test caching of various sizes, including sizes higher than 128MB which is
# chrome's limit on IndexedDB item sizes, see
# https://cs.chromium.org/chromium/src/content/renderer/indexed_db/webidbdatabase_impl.cc?type=cs&q=%22The+serialized+value+is+too+large%22&sq=package:chromium&g=0&l=177
# https://cs.chromium.org/chromium/src/out/Debug/gen/third_party/blink/public/mojom/indexeddb/indexeddb.mojom.h?type=cs&sq=package:chromium&g=0&l=60
for extra_size in (0, 1 * 1024 * 1024, 100 * 1024 * 1024, 150 * 1024 * 1024):
if is_chrome() and extra_size >= 100 * 1024 * 1024:
continue
create_test_file('somefile.txt', '''load me right before running the code please''' + ('_' * extra_size))
print('size:', os.path.getsize('somefile.txt'))
self.compile_btest(['main.cpp', '--use-preload-cache', '--js-library', 'test.js', '--preload-file', 'somefile.txt', '-o', 'page.html', '-s', 'ALLOW_MEMORY_GROWTH=1'])
self.run_browser('page.html', 'You should see |load me right before|.', '/report_result?1')
self.run_browser('page.html', 'You should see |load me right before|.', '/report_result?2')
def test_preload_caching_indexeddb_name(self):
create_test_file('somefile.txt', '''load me right before running the code please''')
def make_main(path):
print(path)
create_test_file('main.cpp', self.with_report_result(r'''
#include <stdio.h>
#include <string.h>
#include <emscripten.h>
extern "C" {
extern int checkPreloadResults();
}
int main(int argc, char** argv) {
FILE *f = fopen("%s", "r");
char buf[100];
fread(buf, 1, 20, f);
buf[20] = 0;
fclose(f);
printf("|%%s|\n", buf);
int result = 0;
result += !strcmp("load me right before", buf);
result += checkPreloadResults();
REPORT_RESULT(result);
return 0;
}
''' % path))
create_test_file('test.js', '''
mergeInto(LibraryManager.library, {
checkPreloadResults: function() {
var cached = 0;
var packages = Object.keys(Module['preloadResults']);
packages.forEach(function(package) {
var fromCache = Module['preloadResults'][package]['fromCache'];
if (fromCache)
++ cached;
});
return cached;
}
});
''')
make_main('somefile.txt')
run_process([PYTHON, FILE_PACKAGER, 'somefile.data', '--use-preload-cache', '--indexedDB-name=testdb', '--preload', 'somefile.txt', '--js-output=' + 'somefile.js'])
self.compile_btest(['main.cpp', '--js-library', 'test.js', '--pre-js', 'somefile.js', '-o', 'page.html', '-s', 'FORCE_FILESYSTEM=1'])
self.run_browser('page.html', 'You should see |load me right before|.', '/report_result?1')
self.run_browser('page.html', 'You should see |load me right before|.', '/report_result?2')
def test_multifile(self):
# a few files inside a directory
os.makedirs(os.path.join('subdirr', 'moar'))
create_test_file(os.path.join('subdirr', 'data1.txt'), '1214141516171819')
create_test_file(os.path.join('subdirr', 'moar', 'data2.txt'), '3.14159265358979')
create_test_file('main.cpp', self.with_report_result(r'''
#include <stdio.h>
#include <string.h>
#include <emscripten.h>
int main() {
char buf[17];
FILE *f = fopen("subdirr/data1.txt", "r");
fread(buf, 1, 16, f);
buf[16] = 0;
fclose(f);
printf("|%s|\n", buf);
int result = !strcmp("1214141516171819", buf);
FILE *f2 = fopen("subdirr/moar/data2.txt", "r");
fread(buf, 1, 16, f2);
buf[16] = 0;
fclose(f2);
printf("|%s|\n", buf);
result = result && !strcmp("3.14159265358979", buf);
REPORT_RESULT(result);
return 0;
}
'''))
# by individual files
self.compile_btest(['main.cpp', '--preload-file', 'subdirr/data1.txt', '--preload-file', 'subdirr/moar/data2.txt', '-o', 'page.html'])
self.run_browser('page.html', 'You should see two cool numbers', '/report_result?1')
os.remove('page.html')
# by directory, and remove files to make sure
self.compile_btest(['main.cpp', '--preload-file', 'subdirr', '-o', 'page.html'])
shutil.rmtree('subdirr')
self.run_browser('page.html', 'You should see two cool numbers', '/report_result?1')
def test_custom_file_package_url(self):
# a few files inside a directory
self.clear()
os.makedirs('subdirr')
os.makedirs('cdn')
create_test_file(os.path.join('subdirr', 'data1.txt'), '1214141516171819')
# change the file package base dir to look in a "cdn". note that normally
# you would add this in your own custom html file etc., and not by
# modifying the existing shell in this manner
create_test_file('shell.html', open(path_from_root('src', 'shell.html')).read().replace('var Module = {', 'var Module = { locateFile: function (path, prefix) {if (path.endsWith(".wasm")) {return prefix + path;} else {return "cdn/" + path;}}, '))
create_test_file('main.cpp', self.with_report_result(r'''
#include <stdio.h>
#include <string.h>
#include <emscripten.h>
int main() {
char buf[17];
FILE *f = fopen("subdirr/data1.txt", "r");
fread(buf, 1, 16, f);
buf[16] = 0;
fclose(f);
printf("|%s|\n", buf);
int result = !strcmp("1214141516171819", buf);
REPORT_RESULT(result);
return 0;
}
'''))
self.compile_btest(['main.cpp', '--shell-file', 'shell.html', '--preload-file', 'subdirr/data1.txt', '-o', 'test.html'])
shutil.move('test.data', os.path.join('cdn', 'test.data'))
self.run_browser('test.html', '', '/report_result?1')
def test_missing_data_throws_error(self):
def setup(assetLocalization):
self.clear()
create_test_file('data.txt', 'data')
create_test_file('main.cpp', self.with_report_result(r'''
#include <stdio.h>
#include <string.h>
#include <emscripten.h>
int main() {
// This code should never be executed in terms of missing required dependency file.
REPORT_RESULT(0);
return 0;
}
'''))
create_test_file('on_window_error_shell.html', r'''
<html>
<center><canvas id='canvas' width='256' height='256'></canvas></center>
<hr><div id='output'></div><hr>
<script type='text/javascript'>
window.onerror = function(error) {
window.onerror = null;
var result = error.indexOf("test.data") >= 0 ? 1 : 0;
var xhr = new XMLHttpRequest();
xhr.open('GET', 'http://localhost:8888/report_result?' + result, true);
xhr.send();
setTimeout(function() { window.close() }, 1000);
}
var Module = {
locateFile: function (path, prefix) {if (path.endsWith(".wasm")) {return prefix + path;} else {return "''' + assetLocalization + r'''" + path;}},
print: (function() {
var element = document.getElementById('output');
return function(text) { element.innerHTML += text.replace('\n', '<br>', 'g') + '<br>';};
})(),
canvas: document.getElementById('canvas')
};
</script>
{{{ SCRIPT }}}
</body>
</html>''')
def test():
# test test missing file should run xhr.onload with status different than 200, 304 or 206
setup("")
self.compile_btest(['main.cpp', '--shell-file', 'on_window_error_shell.html', '--preload-file', 'data.txt', '-o', 'test.html'])
shutil.move('test.data', 'missing.data')
self.run_browser('test.html', '', '/report_result?1')
# test unknown protocol should go through xhr.onerror
setup("unknown_protocol://")
self.compile_btest(['main.cpp', '--shell-file', 'on_window_error_shell.html', '--preload-file', 'data.txt', '-o', 'test.html'])
self.run_browser('test.html', '', '/report_result?1')
# test wrong protocol and port
setup("https://localhost:8800/")
self.compile_btest(['main.cpp', '--shell-file', 'on_window_error_shell.html', '--preload-file', 'data.txt', '-o', 'test.html'])
self.run_browser('test.html', '', '/report_result?1')
test()
# TODO: CORS, test using a full url for locateFile
# create_test_file('shell.html', open(path_from_root('src', 'shell.html')).read().replace('var Module = {', 'var Module = { locateFile: function (path) {return "http:/localhost:8888/cdn/" + path;}, '))
# test()
def test_dev_random(self):
self.btest(os.path.join('filesystem', 'dev_random.cpp'), expected='0')
def test_sdl_swsurface(self):
self.btest('sdl_swsurface.c', args=['-lSDL', '-lGL'], expected='1')
def test_sdl_surface_lock_opts(self):
# Test Emscripten-specific extensions to optimize SDL_LockSurface and SDL_UnlockSurface.
self.btest('hello_world_sdl.cpp', reference='htmltest.png', message='You should see "hello, world!" and a colored cube.', args=['-DTEST_SDL_LOCK_OPTS', '-lSDL', '-lGL'])
def test_sdl_image(self):
# load an image file, get pixel data. Also O2 coverage for --preload-file, and memory-init
shutil.copyfile(path_from_root('tests', 'screenshot.jpg'), 'screenshot.jpg')
create_test_file('sdl_image.c', self.with_report_result(open(path_from_root('tests', 'sdl_image.c')).read()))
for mem in [0, 1]:
for dest, dirname, basename in [('screenshot.jpg', '/', 'screenshot.jpg'),
('screenshot.jpg@/assets/screenshot.jpg', '/assets', 'screenshot.jpg')]:
self.compile_btest([
'sdl_image.c', '-o', 'page.html', '-O2', '-lSDL', '-lGL', '--memory-init-file', str(mem),
'--preload-file', dest, '-DSCREENSHOT_DIRNAME="' + dirname + '"', '-DSCREENSHOT_BASENAME="' + basename + '"', '--use-preload-plugins'
])
self.run_browser('page.html', '', '/report_result?600')
def test_sdl_image_jpeg(self):
shutil.copyfile(path_from_root('tests', 'screenshot.jpg'), 'screenshot.jpeg')
create_test_file('sdl_image_jpeg.c', self.with_report_result(open(path_from_root('tests', 'sdl_image.c')).read()))
self.compile_btest([
'sdl_image_jpeg.c', '-o', 'page.html', '-lSDL', '-lGL',
'--preload-file', 'screenshot.jpeg', '-DSCREENSHOT_DIRNAME="/"', '-DSCREENSHOT_BASENAME="screenshot.jpeg"', '--use-preload-plugins'
])
self.run_browser('page.html', '', '/report_result?600')
def test_sdl_image_prepare(self):
# load an image file, get pixel data.
shutil.copyfile(path_from_root('tests', 'screenshot.jpg'), 'screenshot.not')
self.btest('sdl_image_prepare.c', reference='screenshot.jpg', args=['--preload-file', 'screenshot.not', '-lSDL', '-lGL'], also_proxied=True, manually_trigger_reftest=True)
def test_sdl_image_prepare_data(self):
# load an image file, get pixel data.
shutil.copyfile(path_from_root('tests', 'screenshot.jpg'), 'screenshot.not')
self.btest('sdl_image_prepare_data.c', reference='screenshot.jpg', args=['--preload-file', 'screenshot.not', '-lSDL', '-lGL'], manually_trigger_reftest=True)
def test_sdl_image_must_prepare(self):
# load an image file, get pixel data.
shutil.copyfile(path_from_root('tests', 'screenshot.jpg'), 'screenshot.jpg')
self.btest('sdl_image_must_prepare.c', reference='screenshot.jpg', args=['--preload-file', 'screenshot.jpg', '-lSDL', '-lGL'])
def test_sdl_stb_image(self):
# load an image file, get pixel data.
shutil.copyfile(path_from_root('tests', 'screenshot.jpg'), 'screenshot.not')
self.btest('sdl_stb_image.c', reference='screenshot.jpg', args=['-s', 'STB_IMAGE=1', '--preload-file', 'screenshot.not', '-lSDL', '-lGL'])
def test_sdl_stb_image_bpp(self):
# load grayscale image without alpha
self.clear()
shutil.copyfile(path_from_root('tests', 'sdl-stb-bpp1.png'), 'screenshot.not')
self.btest('sdl_stb_image.c', reference='sdl-stb-bpp1.png', args=['-s', 'STB_IMAGE=1', '--preload-file', 'screenshot.not', '-lSDL', '-lGL'])
# load grayscale image with alpha
self.clear()
shutil.copyfile(path_from_root('tests', 'sdl-stb-bpp2.png'), 'screenshot.not')
self.btest('sdl_stb_image.c', reference='sdl-stb-bpp2.png', args=['-s', 'STB_IMAGE=1', '--preload-file', 'screenshot.not', '-lSDL', '-lGL'])
# load RGB image
self.clear()
shutil.copyfile(path_from_root('tests', 'sdl-stb-bpp3.png'), 'screenshot.not')
self.btest('sdl_stb_image.c', reference='sdl-stb-bpp3.png', args=['-s', 'STB_IMAGE=1', '--preload-file', 'screenshot.not', '-lSDL', '-lGL'])
# load RGBA image
self.clear()
shutil.copyfile(path_from_root('tests', 'sdl-stb-bpp4.png'), 'screenshot.not')
self.btest('sdl_stb_image.c', reference='sdl-stb-bpp4.png', args=['-s', 'STB_IMAGE=1', '--preload-file', 'screenshot.not', '-lSDL', '-lGL'])
def test_sdl_stb_image_data(self):
# load an image file, get pixel data.
shutil.copyfile(path_from_root('tests', 'screenshot.jpg'), 'screenshot.not')
self.btest('sdl_stb_image_data.c', reference='screenshot.jpg', args=['-s', 'STB_IMAGE=1', '--preload-file', 'screenshot.not', '-lSDL', '-lGL'])
def test_sdl_stb_image_cleanup(self):
shutil.copyfile(path_from_root('tests', 'screenshot.jpg'), 'screenshot.not')
self.btest('sdl_stb_image_cleanup.c', expected='0', args=['-s', 'STB_IMAGE=1', '--preload-file', 'screenshot.not', '-lSDL', '-lGL', '--memoryprofiler'])
def test_sdl_canvas(self):
self.clear()
self.btest('sdl_canvas.c', expected='1', args=['-s', 'LEGACY_GL_EMULATION=1', '-lSDL', '-lGL'])
# some extra coverage
self.clear()
self.btest('sdl_canvas.c', expected='1', args=['-s', 'LEGACY_GL_EMULATION=1', '-O0', '-s', 'SAFE_HEAP=1', '-lSDL', '-lGL'])
self.clear()
self.btest('sdl_canvas.c', expected='1', args=['-s', 'LEGACY_GL_EMULATION=1', '-O2', '-s', 'SAFE_HEAP=1', '-lSDL', '-lGL'])
def post_manual_reftest(self, reference=None):
self.reftest(path_from_root('tests', self.reference if reference is None else reference))
html = open('test.html').read()
html = html.replace('</body>', '''
<script>
function assert(x, y) { if (!x) throw 'assertion failed ' + y }
%s
var windowClose = window.close;
window.close = function() {
// wait for rafs to arrive and the screen to update before reftesting
setTimeout(function() {
doReftest();
setTimeout(windowClose, 5000);
}, 1000);
};
</script>
</body>''' % open('reftest.js').read())
create_test_file('test.html', html)
def test_sdl_canvas_proxy(self):
create_test_file('data.txt', 'datum')
self.btest('sdl_canvas_proxy.c', reference='sdl_canvas_proxy.png', args=['--proxy-to-worker', '--preload-file', 'data.txt', '-lSDL', '-lGL'], manual_reference=True, post_build=self.post_manual_reftest)
@no_chrome('see #7930')
@requires_graphics_hardware
def test_glgears_proxy(self):
# we modify the asm.js, this is a non-wasm test
self.btest('hello_world_gles_proxy.c', reference='gears.png', args=['--proxy-to-worker', '-s', 'GL_TESTING=1', '-DSTATIC_GEARS=1', '-lGL', '-lglut', '-s', 'WASM=0'], manual_reference=True, post_build=self.post_manual_reftest)
# test noProxy option applied at runtime
# run normally (duplicates above test, but verifies we can run outside of the btest harness
self.run_browser('test.html', None, ['/report_result?0'])
# run with noProxy
self.run_browser('test.html?noProxy', None, ['/report_result?0'])
def copy(to, js_mod, html_mod=lambda x: x):
create_test_file(to + '.html', html_mod(open('test.html').read().replace('test.js', to + '.js')))
create_test_file(to + '.js', js_mod(open('test.js').read()))
# run with noProxy, but make main thread fail
copy('two', lambda original: re.sub(r'function _main\(\$(.+),\$(.+)\) {', r'function _main($\1,$\2) { if (ENVIRONMENT_IS_WEB) { var xhr = new XMLHttpRequest(); xhr.open("GET", "http://localhost:%s/report_result?999");xhr.send(); return; }' % self.port, original),
lambda original: original.replace('function doReftest() {', 'function doReftest() { return; ')) # don't reftest on main thread, it would race
self.run_browser('two.html?noProxy', None, ['/report_result?999'])
copy('two', lambda original: re.sub(r'function _main\(\$(.+),\$(.+)\) {', r'function _main($\1,$\2) { if (ENVIRONMENT_IS_WEB) { var xhr = new XMLHttpRequest(); xhr.open("GET", "http://localhost:%s/report_result?999");xhr.send(); return; }' % self.port, original))
self.run_browser('two.html', None, ['/report_result?0']) # this is still cool
# run without noProxy, so proxy, but make worker fail
copy('three', lambda original: re.sub(r'function _main\(\$(.+),\$(.+)\) {', r'function _main($\1,$\2) { if (ENVIRONMENT_IS_WORKER) { var xhr = new XMLHttpRequest(); xhr.open("GET", "http://localhost:%s/report_result?999");xhr.send(); return; }' % self.port, original),
lambda original: original.replace('function doReftest() {', 'function doReftest() { return; ')) # don't reftest on main thread, it would race
self.run_browser('three.html', None, ['/report_result?999'])
copy('three', lambda original: re.sub(r'function _main\(\$(.+),\$(.+)\) {', r'function _main($\1,$\2) { if (ENVIRONMENT_IS_WORKER) { var xhr = new XMLHttpRequest(); xhr.open("GET", "http://localhost:%s/report_result?999");xhr.send(); return; }' % self.port, original))
self.run_browser('three.html?noProxy', None, ['/report_result?0']) # this is still cool
@requires_graphics_hardware
def test_glgears_proxy_jstarget(self):
# test .js target with --proxy-worker; emits 2 js files, client and worker
self.compile_btest([path_from_root('tests', 'hello_world_gles_proxy.c'), '-o', 'test.js', '--proxy-to-worker', '-s', 'GL_TESTING=1', '-lGL', '-lglut'])
shell_with_script('shell_minimal.html', 'test.html', '<script src="test.js"></script>')
self.post_manual_reftest('gears.png')
self.run_browser('test.html', None, '/report_result?0')
def test_sdl_canvas_alpha(self):
# N.B. On Linux with Intel integrated graphics cards, this test needs Firefox 49 or newer.
# See https://github.com/emscripten-core/emscripten/issues/4069.
create_test_file('flag_0.js', '''
Module['arguments'] = ['-0'];
''')
self.btest('sdl_canvas_alpha.c', args=['-lSDL', '-lGL'], reference='sdl_canvas_alpha.png', reference_slack=12)
self.btest('sdl_canvas_alpha.c', args=['--pre-js', 'flag_0.js', '-lSDL', '-lGL'], reference='sdl_canvas_alpha_flag_0.png', reference_slack=12)
def get_async_args(self):
if self.is_wasm_backend():
return ['-s', 'BYSYNCIFY']
else:
return ['-s', 'EMTERPRETIFY=1', '-s', 'EMTERPRETIFY_ASYNC=1']
def test_sdl_key(self):
for delay in [0, 1]:
for defines in [
[],
['-DTEST_EMSCRIPTEN_SDL_SETEVENTHANDLER']
]:
for async in [
[],
['-DTEST_SLEEP', '-s', 'ASSERTIONS=1', '-s', 'SAFE_HEAP=1'] + self.get_async_args()
]:
print(delay, defines, async)
create_test_file('pre.js', '''
function keydown(c) {
%s
var event = new KeyboardEvent("keydown", { 'keyCode': c, 'charCode': c, 'view': window, 'bubbles': true, 'cancelable': true });
document.dispatchEvent(event);
%s
}
function keyup(c) {
%s
var event = new KeyboardEvent("keyup", { 'keyCode': c, 'charCode': c, 'view': window, 'bubbles': true, 'cancelable': true });
document.dispatchEvent(event);
%s
}
''' % ('setTimeout(function() {' if delay else '', '}, 1);' if delay else '', 'setTimeout(function() {' if delay else '', '}, 1);' if delay else ''))
create_test_file('sdl_key.c', self.with_report_result(open(path_from_root('tests', 'sdl_key.c')).read()))
self.compile_btest(['sdl_key.c', '-o', 'page.html'] + defines + async + ['--pre-js', 'pre.js', '-s', '''EXPORTED_FUNCTIONS=['_main']''', '-lSDL', '-lGL'])
self.run_browser('page.html', '', '/report_result?223092870')
def test_sdl_key_proxy(self):
create_test_file('pre.js', '''
var Module = {};
Module.postRun = function() {
function doOne() {
Module._one();
setTimeout(doOne, 1000/60);
}
setTimeout(doOne, 1000/60);
}
''')
def post():
html = open('test.html').read()
html = html.replace('</body>', '''
<script>
function keydown(c) {
var event = new KeyboardEvent("keydown", { 'keyCode': c, 'charCode': c, 'view': window, 'bubbles': true, 'cancelable': true });
document.dispatchEvent(event);
}
function keyup(c) {
var event = new KeyboardEvent("keyup", { 'keyCode': c, 'charCode': c, 'view': window, 'bubbles': true, 'cancelable': true });
document.dispatchEvent(event);
}
keydown(1250);keydown(38);keyup(38);keyup(1250); // alt, up
keydown(1248);keydown(1249);keydown(40);keyup(40);keyup(1249);keyup(1248); // ctrl, shift, down
keydown(37);keyup(37); // left
keydown(39);keyup(39); // right
keydown(65);keyup(65); // a
keydown(66);keyup(66); // b
keydown(100);keyup(100); // trigger the end
</script>
</body>''')
create_test_file('test.html', html)
self.btest('sdl_key_proxy.c', '223092870', args=['--proxy-to-worker', '--pre-js', 'pre.js', '-s', '''EXPORTED_FUNCTIONS=['_main', '_one']''', '-lSDL', '-lGL'], manual_reference=True, post_build=post)
def test_canvas_focus(self):
self.btest('canvas_focus.c', '1')
def test_keydown_preventdefault_proxy(self):
def post():
html = open('test.html').read()
html = html.replace('</body>', '''
<script>
function keydown(c) {
var event = new KeyboardEvent("keydown", { 'keyCode': c, 'charCode': c, 'view': window, 'bubbles': true, 'cancelable': true });
return document.dispatchEvent(event);
}
function keypress(c) {
var event = new KeyboardEvent("keypress", { 'keyCode': c, 'charCode': c, 'view': window, 'bubbles': true, 'cancelable': true });
return document.dispatchEvent(event);
}
function keyup(c) {
var event = new KeyboardEvent("keyup", { 'keyCode': c, 'charCode': c, 'view': window, 'bubbles': true, 'cancelable': true });
return document.dispatchEvent(event);
}
function sendKey(c) {
// Simulate the sending of the keypress event when the
// prior keydown event is not prevent defaulted.
if (keydown(c) === false) {
console.log('keydown prevent defaulted, NOT sending keypress!!!');
} else {
keypress(c);
}
keyup(c);
}
// Send 'a'. Simulate the sending of the keypress event when the
// prior keydown event is not prevent defaulted.
sendKey(65);
// Send backspace. Keypress should not be sent over as default handling of
// the Keydown event should be prevented.
sendKey(8);
keydown(100);keyup(100); // trigger the end
</script>
</body>''')
create_test_file('test.html', html)
self.btest('keydown_preventdefault_proxy.cpp', '300', args=['--proxy-to-worker', '-s', '''EXPORTED_FUNCTIONS=['_main']'''], manual_reference=True, post_build=post)
def test_sdl_text(self):
create_test_file('pre.js', '''
Module.postRun = function() {
function doOne() {
Module._one();
setTimeout(doOne, 1000/60);
}
setTimeout(doOne, 1000/60);
}
function simulateKeyEvent(c) {
var event = new KeyboardEvent("keypress", { 'keyCode': c, 'charCode': c, 'view': window, 'bubbles': true, 'cancelable': true });
document.body.dispatchEvent(event);
}
''')
create_test_file('sdl_text.c', self.with_report_result(open(path_from_root('tests', 'sdl_text.c')).read()))
self.compile_btest(['sdl_text.c', '-o', 'page.html', '--pre-js', 'pre.js', '-s', '''EXPORTED_FUNCTIONS=['_main', '_one']''', '-lSDL', '-lGL'])
self.run_browser('page.html', '', '/report_result?1')
def test_sdl_mouse(self):
create_test_file('pre.js', '''
function simulateMouseEvent(x, y, button) {
var event = document.createEvent("MouseEvents");
if (button >= 0) {
var event1 = document.createEvent("MouseEvents");
event1.initMouseEvent('mousedown', true, true, window,
1, Module['canvas'].offsetLeft + x, Module['canvas'].offsetTop + y, Module['canvas'].offsetLeft + x, Module['canvas'].offsetTop + y,
0, 0, 0, 0,
button, null);
Module['canvas'].dispatchEvent(event1);
var event2 = document.createEvent("MouseEvents");
event2.initMouseEvent('mouseup', true, true, window,
1, Module['canvas'].offsetLeft + x, Module['canvas'].offsetTop + y, Module['canvas'].offsetLeft + x, Module['canvas'].offsetTop + y,
0, 0, 0, 0,
button, null);
Module['canvas'].dispatchEvent(event2);
} else {
var event1 = document.createEvent("MouseEvents");
event1.initMouseEvent('mousemove', true, true, window,
0, Module['canvas'].offsetLeft + x, Module['canvas'].offsetTop + y, Module['canvas'].offsetLeft + x, Module['canvas'].offsetTop + y,
0, 0, 0, 0,