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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { assert, assertEquals, assertMatch, unitTest } from "./test_util.ts";
unitTest(function errorStackMessageLine(): void {
const e1 = new Error();
e1.name = "Foo";
e1.message = "bar";
assertMatch(e1.stack!, /^Foo: bar\n/);
const e2 = new Error();
e2.name = "";
e2.message = "bar";
assertMatch(e2.stack!, /^bar\n/);
const e3 = new Error();
e3.name = "Foo";
e3.message = "";
assertMatch(e3.stack!, /^Foo\n/);
const e4 = new Error();
e4.name = "";
e4.message = "";
assertMatch(e4.stack!, /^\n/);
const e5 = new Error();
// deno-lint-ignore ban-ts-comment
// @ts-expect-error
e5.name = undefined;
// deno-lint-ignore ban-ts-comment
// @ts-expect-error
e5.message = undefined;
assertMatch(e5.stack!, /^Error\n/);
const e6 = new Error();
// deno-lint-ignore ban-ts-comment
// @ts-expect-error
e6.name = null;
// deno-lint-ignore ban-ts-comment
// @ts-expect-error
e6.message = null;
assertMatch(e6.stack!, /^null: null\n/);
});
unitTest(function captureStackTrace(): void {
function foo(): void {
const error = new Error();
const stack1 = error.stack!;
Error.captureStackTrace(error, foo);
const stack2 = error.stack!;
// stack2 should be stack1 without the first frame.
assertEquals(stack2, stack1.replace(/(?<=^[^\n]*\n)[^\n]*\n/, ""));
}
foo();
});
// FIXME(bartlomieju): no longer works after migrating
// to JavaScript runtime code
unitTest({ ignore: true }, function applySourceMap(): void {
const result = Deno.applySourceMap({
fileName: "CLI_SNAPSHOT.js",
lineNumber: 23,
columnNumber: 0,
});
Deno.core.print(`result: ${result}`, true);
assert(result.fileName.endsWith(".ts"));
assert(result.lineNumber != null);
assert(result.columnNumber != null);
});
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