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denoland-deno/cli/js/tests/tty_test.ts
Bartek Iwańczuk 68119e1d7e
reorg: move js runtime tests to cli/js/tests/ (#4250)
All Deno runtime test files were moved to cli/js/tests/ directory.

It makes a clear distinction that cli/js/tests/ contains code
that is run under Deno runtime as opposed to code in cli/js/ which
is used to create bundle and snapshot with "deno_typescript".
2020-03-10 01:06:47 +01:00

23 lines
640 B
TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { unitTest, assert } from "./test_util.ts";
// Note tests for Deno.setRaw is in integration tests.
unitTest({ perms: { read: true } }, function isatty(): void {
// CI not under TTY, so cannot test stdin/stdout/stderr.
const f = Deno.openSync("cli/tests/hello.txt");
assert(!Deno.isatty(f.rid));
f.close();
});
unitTest(function isattyError(): void {
let caught = false;
try {
// Absurdly large rid.
Deno.isatty(0x7fffffff);
} catch (e) {
caught = true;
assert(e instanceof Deno.errors.BadResource);
}
assert(caught);
});