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// Test main/entry/exit point instrumentation.
load(libdir + 'eqArrayHelper.js');
ignoreUnhandledRejections();
var g = newGlobal({ newCompartment: true });
var dbg = Debugger(g);
var gdbg = dbg.addDebuggee(g);
var allScripts = [];
function setScriptId(script) {
script.setInstrumentationId(allScripts.length);
allScripts.push(script);
script.getChildScripts().forEach(setScriptId);
}
dbg.onNewScript = setScriptId;
const executedPoints = [];
function hitPoint(kind, scriptId) {
const name = allScripts[scriptId].displayName;
executedPoints.push(`${name}:${kind}`);
}
gdbg.setInstrumentation(
gdbg.makeDebuggeeValue(hitPoint),
["main", "entry", "exit"]
);
function testFunction(fn, expected) {
for (var i = 0; i < 3; i++) {
try { fn(); } catch (e) {}
drainJobQueue();
}
assertEq(executedPoints.length, 0);
gdbg.setInstrumentationActive(true);
for (var i = 0; i < 5; i++) {
executedPoints.length = 0;
try { fn(); } catch (e) {}
drainJobQueue();
assertEqArray(executedPoints, expected);
}
executedPoints.length = 0;
gdbg.setInstrumentationActive(false);
}
g.eval(`
function basic() {
var a = 0;
a++;
}
`);
testFunction(() => g.basic(), ["basic:main", "basic:exit"]);
g.eval(`
function thrower(v) {
if (v) {
throw new Error();
}
}
`);
testFunction(() => g.thrower(0), ["thrower:main", "thrower:exit"]);
testFunction(() => g.thrower(1), ["thrower:main"]);
g.eval(`
function* yielder() { yield 1; }
function iterator() {
for (var n of yielder()) {}
}
`);
testFunction(() => g.iterator(), [
"iterator:main",
"yielder:main", "yielder:exit",
"yielder:entry", "yielder:exit",
"yielder:entry", "yielder:exit",
"iterator:exit"
]);
g.eval(`
function promiser(n) {
return new Promise(function promiseInternal(resolve, reject) {
if (n) {
reject(new Error());
} else {
resolve();
}
});
}
function f1() {}
async function asyncer(n) { await promiser(n) }
async function asyncerCatch(n) { try { await promiser(n) } catch (e) { f1() } }
async function asyncerFinally(n) { try { await promiser(n) } finally { f1() } }
`);
testFunction(() => g.asyncer(0), [
"asyncer:main",
"promiser:main", "promiseInternal:main", "promiseInternal:exit", "promiser:exit",
"asyncer:exit",
"asyncer:entry", "asyncer:exit"
]);
testFunction(() => g.asyncer(1), [
"asyncer:main",
"promiser:main", "promiseInternal:main", "promiseInternal:exit", "promiser:exit",
"asyncer:exit",
"asyncer:entry", // Note: no exit, GeneratorThrowOrReturn is called.
"asyncer:entry", "asyncer:exit"
]);
testFunction(() => g.asyncerCatch(1), [
"asyncerCatch:main",
"promiser:main", "promiseInternal:main", "promiseInternal:exit", "promiser:exit",
"asyncerCatch:exit",
"asyncerCatch:entry", // Note: no exit, GeneratorThrowOrReturn is called.
"asyncerCatch:entry", "f1:main", "f1:exit", "asyncerCatch:exit"
]);
testFunction(() => g.asyncerFinally(1), [
"asyncerFinally:main",
"promiser:main", "promiseInternal:main", "promiseInternal:exit", "promiser:exit",
"asyncerFinally:exit",
"asyncerFinally:entry", // Note: no exit, GeneratorThrowOrReturn is called.
"asyncerFinally:entry", "f1:main", "f1:exit", "asyncerFinally:entry", "asyncerFinally:exit"
]);
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