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Issue 646943006: Remove mojo/apps/js, it is unused (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 1 month ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/at_exit.h"
6 #include "base/files/file_path.h"
7 #include "base/files/file_util.h"
8 #include "base/macros.h"
9 #include "base/message_loop/message_loop.h"
10 #include "base/run_loop.h"
11 #include "base/strings/utf_string_conversions.h"
12 #include "gin/array_buffer.h"
13 #include "gin/public/isolate_holder.h"
14 #include "mojo/apps/js/mojo_runner_delegate.h"
15 #include "mojo/apps/js/test/js_to_cpp.mojom.h"
16 #include "mojo/common/common_type_converters.h"
17 #include "mojo/edk/test/test_utils.h"
18 #include "mojo/public/cpp/system/core.h"
19 #include "mojo/public/cpp/system/macros.h"
20 #include "testing/gtest/include/gtest/gtest.h"
21
22 namespace mojo {
23 namespace js {
24
25 // Global value updated by some checks to prevent compilers from optimizing
26 // reads out of existence.
27 uint32 g_waste_accumulator = 0;
28
29 namespace {
30
31 // Negative numbers with different values in each byte, the last of
32 // which can survive promotion to double and back.
33 const int8 kExpectedInt8Value = -65;
34 const int16 kExpectedInt16Value = -16961;
35 const int32 kExpectedInt32Value = -1145258561;
36 const int64 kExpectedInt64Value = -77263311946305LL;
37
38 // Positive numbers with different values in each byte, the last of
39 // which can survive promotion to double and back.
40 const uint8 kExpectedUInt8Value = 65;
41 const uint16 kExpectedUInt16Value = 16961;
42 const uint32 kExpectedUInt32Value = 1145258561;
43 const uint64 kExpectedUInt64Value = 77263311946305LL;
44
45 // Double/float values, including special case constants.
46 const double kExpectedDoubleVal = 3.14159265358979323846;
47 const double kExpectedDoubleInf = std::numeric_limits<double>::infinity();
48 const double kExpectedDoubleNan = std::numeric_limits<double>::quiet_NaN();
49 const float kExpectedFloatVal = static_cast<float>(kExpectedDoubleVal);
50 const float kExpectedFloatInf = std::numeric_limits<float>::infinity();
51 const float kExpectedFloatNan = std::numeric_limits<float>::quiet_NaN();
52
53 // NaN has the property that it is not equal to itself.
54 #define EXPECT_NAN(x) EXPECT_NE(x, x)
55
56 bool IsRunningOnIsolatedBot() {
57 // TODO(yzshen): Remove this check once isolated tests are supported on the
58 // Chromium waterfall. (http://crbug.com/351214)
59 const base::FilePath test_file_path(
60 test::GetFilePathForJSResource(
61 "mojo/public/interfaces/bindings/tests/sample_interfaces.mojom"));
62 if (!base::PathExists(test_file_path)) {
63 LOG(WARNING) << "Mojom binding files don't exist. Skipping the test.";
64 return true;
65 }
66 return false;
67 }
68
69 void CheckDataPipe(MojoHandle data_pipe_handle) {
70 unsigned char buffer[100];
71 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer));
72 MojoResult result = MojoReadData(
73 data_pipe_handle, buffer, &buffer_size, MOJO_READ_DATA_FLAG_NONE);
74 EXPECT_EQ(MOJO_RESULT_OK, result);
75 EXPECT_EQ(64u, buffer_size);
76 for (int i = 0; i < 64; ++i) {
77 EXPECT_EQ(i, buffer[i]);
78 }
79 }
80
81 void CheckMessagePipe(MojoHandle message_pipe_handle) {
82 unsigned char buffer[100];
83 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer));
84 MojoResult result = MojoReadMessage(
85 message_pipe_handle, buffer, &buffer_size, 0, 0, 0);
86 EXPECT_EQ(MOJO_RESULT_OK, result);
87 EXPECT_EQ(64u, buffer_size);
88 for (int i = 0; i < 64; ++i) {
89 EXPECT_EQ(255 - i, buffer[i]);
90 }
91 }
92
93 js_to_cpp::EchoArgsPtr BuildSampleEchoArgs() {
94 js_to_cpp::EchoArgsPtr args(js_to_cpp::EchoArgs::New());
95 args->si64 = kExpectedInt64Value;
96 args->si32 = kExpectedInt32Value;
97 args->si16 = kExpectedInt16Value;
98 args->si8 = kExpectedInt8Value;
99 args->ui64 = kExpectedUInt64Value;
100 args->ui32 = kExpectedUInt32Value;
101 args->ui16 = kExpectedUInt16Value;
102 args->ui8 = kExpectedUInt8Value;
103 args->float_val = kExpectedFloatVal;
104 args->float_inf = kExpectedFloatInf;
105 args->float_nan = kExpectedFloatNan;
106 args->double_val = kExpectedDoubleVal;
107 args->double_inf = kExpectedDoubleInf;
108 args->double_nan = kExpectedDoubleNan;
109 args->name = "coming";
110 Array<String> string_array(3);
111 string_array[0] = "one";
112 string_array[1] = "two";
113 string_array[2] = "three";
114 args->string_array = string_array.Pass();
115 return args.Pass();
116 }
117
118 void CheckSampleEchoArgs(const js_to_cpp::EchoArgs& arg) {
119 EXPECT_EQ(kExpectedInt64Value, arg.si64);
120 EXPECT_EQ(kExpectedInt32Value, arg.si32);
121 EXPECT_EQ(kExpectedInt16Value, arg.si16);
122 EXPECT_EQ(kExpectedInt8Value, arg.si8);
123 EXPECT_EQ(kExpectedUInt64Value, arg.ui64);
124 EXPECT_EQ(kExpectedUInt32Value, arg.ui32);
125 EXPECT_EQ(kExpectedUInt16Value, arg.ui16);
126 EXPECT_EQ(kExpectedUInt8Value, arg.ui8);
127 EXPECT_EQ(kExpectedFloatVal, arg.float_val);
128 EXPECT_EQ(kExpectedFloatInf, arg.float_inf);
129 EXPECT_NAN(arg.float_nan);
130 EXPECT_EQ(kExpectedDoubleVal, arg.double_val);
131 EXPECT_EQ(kExpectedDoubleInf, arg.double_inf);
132 EXPECT_NAN(arg.double_nan);
133 EXPECT_EQ(std::string("coming"), arg.name.get());
134 EXPECT_EQ(std::string("one"), arg.string_array[0].get());
135 EXPECT_EQ(std::string("two"), arg.string_array[1].get());
136 EXPECT_EQ(std::string("three"), arg.string_array[2].get());
137 CheckDataPipe(arg.data_handle.get().value());
138 CheckMessagePipe(arg.message_handle.get().value());
139 }
140
141 void CheckSampleEchoArgsList(const js_to_cpp::EchoArgsListPtr& list) {
142 if (list.is_null())
143 return;
144 CheckSampleEchoArgs(*list->item);
145 CheckSampleEchoArgsList(list->next);
146 }
147
148 // More forgiving checks are needed in the face of potentially corrupt
149 // messages. The values don't matter so long as all accesses are within
150 // bounds.
151 void CheckCorruptedString(const String& arg) {
152 if (arg.is_null())
153 return;
154 for (size_t i = 0; i < arg.size(); ++i)
155 g_waste_accumulator += arg[i];
156 }
157
158 void CheckCorruptedStringArray(const Array<String>& string_array) {
159 if (string_array.is_null())
160 return;
161 for (size_t i = 0; i < string_array.size(); ++i)
162 CheckCorruptedString(string_array[i]);
163 }
164
165 void CheckCorruptedDataPipe(MojoHandle data_pipe_handle) {
166 unsigned char buffer[100];
167 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer));
168 MojoResult result = MojoReadData(
169 data_pipe_handle, buffer, &buffer_size, MOJO_READ_DATA_FLAG_NONE);
170 if (result != MOJO_RESULT_OK)
171 return;
172 for (uint32_t i = 0; i < buffer_size; ++i)
173 g_waste_accumulator += buffer[i];
174 }
175
176 void CheckCorruptedMessagePipe(MojoHandle message_pipe_handle) {
177 unsigned char buffer[100];
178 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer));
179 MojoResult result = MojoReadMessage(
180 message_pipe_handle, buffer, &buffer_size, 0, 0, 0);
181 if (result != MOJO_RESULT_OK)
182 return;
183 for (uint32_t i = 0; i < buffer_size; ++i)
184 g_waste_accumulator += buffer[i];
185 }
186
187 void CheckCorruptedEchoArgs(const js_to_cpp::EchoArgsPtr& arg) {
188 if (arg.is_null())
189 return;
190 CheckCorruptedString(arg->name);
191 CheckCorruptedStringArray(arg->string_array);
192 if (arg->data_handle.is_valid())
193 CheckCorruptedDataPipe(arg->data_handle.get().value());
194 if (arg->message_handle.is_valid())
195 CheckCorruptedMessagePipe(arg->message_handle.get().value());
196 }
197
198 void CheckCorruptedEchoArgsList(const js_to_cpp::EchoArgsListPtr& list) {
199 if (list.is_null())
200 return;
201 CheckCorruptedEchoArgs(list->item);
202 CheckCorruptedEchoArgsList(list->next);
203 }
204
205 // Base Provider implementation class. It's expected that tests subclass and
206 // override the appropriate Provider functions. When test is done quit the
207 // run_loop().
208 class CppSideConnection : public js_to_cpp::CppSide {
209 public:
210 CppSideConnection() :
211 run_loop_(NULL),
212 js_side_(NULL),
213 mishandled_messages_(0) {
214 }
215 ~CppSideConnection() override {}
216
217 void set_run_loop(base::RunLoop* run_loop) { run_loop_ = run_loop; }
218 base::RunLoop* run_loop() { return run_loop_; }
219
220 void set_js_side(js_to_cpp::JsSide* js_side) { js_side_ = js_side; }
221 js_to_cpp::JsSide* js_side() { return js_side_; }
222
223 // js_to_cpp::CppSide:
224 void StartTest() override { NOTREACHED(); }
225
226 void TestFinished() override { NOTREACHED(); }
227
228 void PingResponse() override { mishandled_messages_ += 1; }
229
230 void EchoResponse(js_to_cpp::EchoArgsListPtr list) override {
231 mishandled_messages_ += 1;
232 }
233
234 void BitFlipResponse(js_to_cpp::EchoArgsListPtr list) override {
235 mishandled_messages_ += 1;
236 }
237
238 void BackPointerResponse(js_to_cpp::EchoArgsListPtr list) override {
239 mishandled_messages_ += 1;
240 }
241
242 protected:
243 base::RunLoop* run_loop_;
244 js_to_cpp::JsSide* js_side_;
245 int mishandled_messages_;
246
247 private:
248 DISALLOW_COPY_AND_ASSIGN(CppSideConnection);
249 };
250
251 // Trivial test to verify a message sent from JS is received.
252 class PingCppSideConnection : public CppSideConnection {
253 public:
254 PingCppSideConnection() : got_message_(false) {}
255 ~PingCppSideConnection() override {}
256
257 // js_to_cpp::CppSide:
258 void StartTest() override { js_side_->Ping(); }
259
260 void PingResponse() override {
261 got_message_ = true;
262 run_loop()->Quit();
263 }
264
265 bool DidSucceed() {
266 return got_message_ && !mishandled_messages_;
267 }
268
269 private:
270 bool got_message_;
271 DISALLOW_COPY_AND_ASSIGN(PingCppSideConnection);
272 };
273
274 // Test that parameters are passed with correct values.
275 class EchoCppSideConnection : public CppSideConnection {
276 public:
277 EchoCppSideConnection() :
278 message_count_(0),
279 termination_seen_(false) {
280 }
281 ~EchoCppSideConnection() override {}
282
283 // js_to_cpp::CppSide:
284 void StartTest() override {
285 js_side_->Echo(kExpectedMessageCount, BuildSampleEchoArgs());
286 }
287
288 void EchoResponse(js_to_cpp::EchoArgsListPtr list) override {
289 const js_to_cpp::EchoArgsPtr& special_arg = list->item;
290 message_count_ += 1;
291 EXPECT_EQ(-1, special_arg->si64);
292 EXPECT_EQ(-1, special_arg->si32);
293 EXPECT_EQ(-1, special_arg->si16);
294 EXPECT_EQ(-1, special_arg->si8);
295 EXPECT_EQ(std::string("going"), special_arg->name.To<std::string>());
296 CheckSampleEchoArgsList(list->next);
297 }
298
299 void TestFinished() override {
300 termination_seen_ = true;
301 run_loop()->Quit();
302 }
303
304 bool DidSucceed() {
305 return termination_seen_ &&
306 !mishandled_messages_ &&
307 message_count_ == kExpectedMessageCount;
308 }
309
310 private:
311 static const int kExpectedMessageCount = 10;
312 int message_count_;
313 bool termination_seen_;
314 DISALLOW_COPY_AND_ASSIGN(EchoCppSideConnection);
315 };
316
317 // Test that corrupted messages don't wreak havoc.
318 class BitFlipCppSideConnection : public CppSideConnection {
319 public:
320 BitFlipCppSideConnection() : termination_seen_(false) {}
321 ~BitFlipCppSideConnection() override {}
322
323 // js_to_cpp::CppSide:
324 void StartTest() override { js_side_->BitFlip(BuildSampleEchoArgs()); }
325
326 void BitFlipResponse(js_to_cpp::EchoArgsListPtr list) override {
327 CheckCorruptedEchoArgsList(list);
328 }
329
330 void TestFinished() override {
331 termination_seen_ = true;
332 run_loop()->Quit();
333 }
334
335 bool DidSucceed() {
336 return termination_seen_;
337 }
338
339 private:
340 bool termination_seen_;
341 DISALLOW_COPY_AND_ASSIGN(BitFlipCppSideConnection);
342 };
343
344 // Test that severely random messages don't wreak havoc.
345 class BackPointerCppSideConnection : public CppSideConnection {
346 public:
347 BackPointerCppSideConnection() : termination_seen_(false) {}
348 ~BackPointerCppSideConnection() override {}
349
350 // js_to_cpp::CppSide:
351 void StartTest() override { js_side_->BackPointer(BuildSampleEchoArgs()); }
352
353 void BackPointerResponse(js_to_cpp::EchoArgsListPtr list) override {
354 CheckCorruptedEchoArgsList(list);
355 }
356
357 void TestFinished() override {
358 termination_seen_ = true;
359 run_loop()->Quit();
360 }
361
362 bool DidSucceed() {
363 return termination_seen_;
364 }
365
366 private:
367 bool termination_seen_;
368 DISALLOW_COPY_AND_ASSIGN(BackPointerCppSideConnection);
369 };
370
371 } // namespace
372
373 class JsToCppTest : public testing::Test {
374 public:
375 JsToCppTest() {}
376
377 void RunTest(const std::string& test, CppSideConnection* cpp_side) {
378 cpp_side->set_run_loop(&run_loop_);
379
380 MessagePipe pipe;
381 js_to_cpp::JsSidePtr js_side =
382 MakeProxy<js_to_cpp::JsSide>(pipe.handle0.Pass());
383 js_side.set_client(cpp_side);
384
385 js_side.internal_state()->router_for_testing()->EnableTestingMode();
386
387 cpp_side->set_js_side(js_side.get());
388
389 gin::IsolateHolder::Initialize(gin::IsolateHolder::kStrictMode,
390 gin::ArrayBufferAllocator::SharedInstance());
391 gin::IsolateHolder instance;
392 apps::MojoRunnerDelegate delegate;
393 gin::ShellRunner runner(&delegate, instance.isolate());
394 delegate.Start(&runner, pipe.handle1.release().value(), test);
395
396 run_loop_.Run();
397 }
398
399 private:
400 base::ShadowingAtExitManager at_exit_;
401 base::MessageLoop loop;
402 base::RunLoop run_loop_;
403
404 DISALLOW_COPY_AND_ASSIGN(JsToCppTest);
405 };
406
407 TEST_F(JsToCppTest, Ping) {
408 if (IsRunningOnIsolatedBot())
409 return;
410
411 PingCppSideConnection cpp_side_connection;
412 RunTest("mojo/apps/js/test/js_to_cpp_unittest", &cpp_side_connection);
413 EXPECT_TRUE(cpp_side_connection.DidSucceed());
414 }
415
416 TEST_F(JsToCppTest, Echo) {
417 if (IsRunningOnIsolatedBot())
418 return;
419
420 EchoCppSideConnection cpp_side_connection;
421 RunTest("mojo/apps/js/test/js_to_cpp_unittest", &cpp_side_connection);
422 EXPECT_TRUE(cpp_side_connection.DidSucceed());
423 }
424
425 TEST_F(JsToCppTest, BitFlip) {
426 if (IsRunningOnIsolatedBot())
427 return;
428
429 BitFlipCppSideConnection cpp_side_connection;
430 RunTest("mojo/apps/js/test/js_to_cpp_unittest", &cpp_side_connection);
431 EXPECT_TRUE(cpp_side_connection.DidSucceed());
432 }
433
434 TEST_F(JsToCppTest, BackPointer) {
435 if (IsRunningOnIsolatedBot())
436 return;
437
438 BackPointerCppSideConnection cpp_side_connection;
439 RunTest("mojo/apps/js/test/js_to_cpp_unittest", &cpp_side_connection);
440 EXPECT_TRUE(cpp_side_connection.DidSucceed());
441 }
442
443 } // namespace js
444 } // namespace mojo
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