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Test Info:
const { Log } = ChromeUtils.importESModule(
"resource://gre/modules/Log.sys.mjs"
);
function foo() {
return bar(); // line 6
}
function bar() {
return baz(); // line 10
}
function baz() {
return Log.stackTrace(Components.stack.caller); // line 14
}
function start() {
return next(); // line 18
}
function next() {
return finish(); // line 22
}
function finish() {
return Log.stackTrace(); // line 26
}
function run_test() {
const stackFrameTrace = foo(); // line 30
print(`Got trace for nsIStackFrame case: ${stackFrameTrace}`);
const fooPos = stackFrameTrace.search(/foo@.*test_Log_nsIStackFrame.js:6/);
const barPos = stackFrameTrace.search(/bar@.*test_Log_nsIStackFrame.js:10/);
const runTestPos = stackFrameTrace.search(
/run_test@.*test_Log_nsIStackFrame.js:30/
);
print(`String positions: ${runTestPos} ${barPos} ${fooPos}`);
Assert.ok(barPos >= 0);
Assert.ok(fooPos > barPos);
Assert.ok(runTestPos > fooPos);
const emptyArgTrace = start();
print(`Got trace for empty argument case: ${emptyArgTrace}`);
const startPos = emptyArgTrace.search(/start@.*test_Log_nsIStackFrame.js:18/);
const nextPos = emptyArgTrace.search(/next@.*test_Log_nsIStackFrame.js:22/);
const finishPos = emptyArgTrace.search(
/finish@.*test_Log_nsIStackFrame.js:26/
);
print(`String positions: ${finishPos} ${nextPos} ${startPos}`);
Assert.ok(finishPos >= 0);
Assert.ok(nextPos > finishPos);
Assert.ok(startPos > nextPos);
}