forked from facebook/hermes
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathDebuggerTest.cpp
More file actions
121 lines (102 loc) · 3.57 KB
/
DebuggerTest.cpp
File metadata and controls
121 lines (102 loc) · 3.57 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#ifdef HERMES_ENABLE_DEBUGGER
#include <gtest/gtest.h>
#include <hermes/DebuggerAPI.h>
#include <hermes/hermes.h>
#include <memory>
using namespace facebook::hermes;
using namespace facebook::hermes::debugger;
struct TestEventObserver : public debugger::EventObserver {
std::vector<PauseReason> pauseReasons;
std::vector<StackTrace> stackTraces;
Command didPause(Debugger &debugger) override {
pauseReasons.push_back(debugger.getProgramState().getPauseReason());
stackTraces.push_back(debugger.getProgramState().getStackTrace());
return Command::continueExecution();
}
};
struct DebuggerAPITest : public ::testing::Test {
void eval(const std::string &code) {
rt->global().getPropertyAsFunction(*rt, "eval").call(*rt, code);
}
std::shared_ptr<HermesRuntime> rt;
TestEventObserver observer;
DebuggerAPITest() : rt(makeHermesRuntime()) {
rt->getDebugger().setEventObserver(&observer);
}
};
TEST_F(DebuggerAPITest, SetAgentTest) {
// A basic test that exercises setting the debugger event observer by virtue
// of running the DebuggerAPITest constructor.
}
TEST_F(DebuggerAPITest, BasicPauseTest) {
// Test that a basic Pause scenario works.
eval("var x = 5; debugger; x=8; debugger;");
EXPECT_EQ(
std::vector<PauseReason>(
{PauseReason::DebuggerStatement, PauseReason::DebuggerStatement}),
observer.pauseReasons);
}
TEST_F(DebuggerAPITest, SingleFrameStackTraceTest) {
using namespace facebook;
rt->getDebugger().setPauseOnThrowMode(PauseOnThrowMode::All);
jsi::Function nativeThrower = jsi::Function::createFromHostFunction(
*rt,
jsi::PropNameID::forAscii(*rt, "nativeThrower"),
0,
[](jsi::Runtime &rt,
const jsi::Value &thisVal,
const jsi::Value *args,
size_t count) -> jsi::Value {
throw jsi::JSINativeException("NativeException");
});
rt->global().setProperty(*rt, "nativeThrower", nativeThrower);
jsi::Function caller = jsi::Function::createFromHostFunction(
*rt,
jsi::PropNameID::forAscii(*rt, "caller"),
0,
[](jsi::Runtime &rt,
const jsi::Value &thisVal,
const jsi::Value *args,
size_t count) -> jsi::Value {
jsi::Function jsThrower =
rt.global().getPropertyAsFunction(rt, "jsThrower");
return jsThrower.call(rt);
});
rt->global().setProperty(*rt, "caller", caller);
eval(
"globalThis.jsThrower = function jsThrower() { throw 1; };\n"
"globalThis.tester = function tester() {"
" try { throw 2; }"
" catch (e) { caller(); } };"
"");
jsi::Function tester =
rt->global().getProperty(*rt, "tester").asObject(*rt).asFunction(*rt);
try {
tester.call(*rt);
} catch (jsi::JSIException &) {
try {
tester.call(*rt);
} catch (jsi::JSError &err) {
EXPECT_EQ(1, err.value().getNumber());
}
}
ASSERT_EQ(
std::vector<PauseReason>({PauseReason::Exception,
PauseReason::Exception,
PauseReason::Exception}),
observer.pauseReasons);
ASSERT_EQ(3, observer.stackTraces[2].callFrameCount());
ASSERT_EQ(
"jsThrower", observer.stackTraces[2].callFrameForIndex(0).functionName);
ASSERT_EQ(
"(native)", observer.stackTraces[2].callFrameForIndex(1).functionName);
ASSERT_EQ(
"tester", observer.stackTraces[2].callFrameForIndex(2).functionName);
}
#endif