/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test DevToolsUtils.safeErrorString
function run_test() {
test_with_error();
test_with_tricky_error();
test_with_string();
test_with_thrower();
test_with_psychotic();
}
function test_with_error() {
const s = DevToolsUtils.safeErrorString(
new Error(
"foo bar"));
// Got the message.
Assert.ok(s.includes(
"foo bar"));
// Got the stack.
Assert.ok(s.includes(
"test_with_error"));
Assert.ok(s.includes(
"test_safeErrorString.js"));
// Got the lineNumber and columnNumber.
Assert.ok(s.includes(
"Line"));
Assert.ok(s.includes(
"column"));
}
function test_with_tricky_error() {
const e =
new Error(
"batman");
e.stack = { toString: Object.create(
null) };
const s = DevToolsUtils.safeErrorString(e);
// Still got the message, despite a bad stack property.
Assert.ok(s.includes(
"batman"));
}
function test_with_string() {
const s = DevToolsUtils.safeErrorString(
"not really an error");
// Still get the message.
Assert.ok(s.includes(
"not really an error"));
}
function test_with_thrower() {
const s = DevToolsUtils.safeErrorString({
toString: () => {
throw new Error(
"Muahahaha");
},
});
// Still don't fail, get string back.
Assert.equal(
typeof s,
"string");
}
function test_with_psychotic() {
const s = DevToolsUtils.safeErrorString({
toString: () => Object.create(
null),
});
// Still get a string out, and no exceptions thrown
Assert.equal(
typeof s,
"string");
Assert.equal(s,
"[object Object]");
}