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firefox/toolkit/modules/tests/xpcshell/test_Log_stackTrace.js
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

39 lines
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JavaScript

print("Define some functions in well defined line positions for the test");
function foo(v) {
return bar(v + 1);
} // line 3
function bar(v) {
return baz(v + 1);
} // line 6
function baz(v) {
throw new Error(v + 1);
} // line 9
print("Make sure lazy constructor calling/assignment works");
const { Log } = ChromeUtils.importESModule(
"resource://gre/modules/Log.sys.mjs"
);
function run_test() {
print(
"Make sure functions, arguments, files are pretty printed in the trace"
);
let trace = "";
try {
foo(0);
} catch (ex) {
trace = Log.stackTrace(ex);
}
print(`Got trace: ${trace}`);
Assert.notEqual(trace, "");
let bazPos = trace.indexOf("baz@test_Log_stackTrace.js:9");
let barPos = trace.indexOf("bar@test_Log_stackTrace.js:6");
let fooPos = trace.indexOf("foo@test_Log_stackTrace.js:3");
print(`String positions: ${bazPos} ${barPos} ${fooPos}`);
print("Make sure the desired messages show up");
Assert.ok(bazPos >= 0);
Assert.ok(barPos > bazPos);
Assert.ok(fooPos > barPos);
}