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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Test that functions throw the appropriate exceptions.
*/
"use strict";
var EXISTING_FILE = do_get_file("xpcshell.ini").path;
// Tests on |open|
add_test_pair(async function test_typeerror() {
let exn;
try {
let fd = await OS.File.open("/tmp", { no_such_key: 1 });
info("Fd: " + fd);
} catch (ex) {
exn = ex;
}
info("Exception: " + exn);
Assert.ok(exn.constructor.name == "TypeError");
});
// Tests on |read|
add_test_pair(async function test_bad_encoding() {
info("Testing with a wrong encoding");
try {
await OS.File.read(EXISTING_FILE, { encoding: "baby-speak-encoded" });
do_throw("Should have thrown with an ex.becauseInvalidArgument");
} catch (ex) {
if (ex.becauseInvalidArgument) {
info("Wrong encoding caused the correct exception");
} else {
throw ex;
}
}
try {
await OS.File.read(EXISTING_FILE, { encoding: 4 });
do_throw("Should have thrown a TypeError");
} catch (ex) {
if (ex.constructor.name == "TypeError") {
// Note that TypeError doesn't carry across compartments
info("Non-string encoding caused the correct exception");
} else {
throw ex;
}
}
});
add_test_pair(async function test_bad_compression() {
info("Testing with a non-existing compression");
try {
await OS.File.read(EXISTING_FILE, { compression: "mmmh-crunchy" });
do_throw("Should have thrown with an ex.becauseInvalidArgument");
} catch (ex) {
if (ex.becauseInvalidArgument) {
info("Wrong encoding caused the correct exception");
} else {
throw ex;
}
}
info("Testing with a bad type for option compression");
try {
await OS.File.read(EXISTING_FILE, { compression: 5 });
do_throw("Should have thrown a TypeError");
} catch (ex) {
if (ex.constructor.name == "TypeError") {
// Note that TypeError doesn't carry across compartments
info("Non-string encoding caused the correct exception");
} else {
throw ex;
}
}
});
add_test_pair(async function test_bad_bytes() {
info("Testing with a bad type for option bytes");
try {
await OS.File.read(EXISTING_FILE, { bytes: "five" });
do_throw("Should have thrown a TypeError");
} catch (ex) {
if (ex.constructor.name == "TypeError") {
// Note that TypeError doesn't carry across compartments
info("Non-number bytes caused the correct exception");
} else {
throw ex;
}
}
});
add_test_pair(async function read_non_existent() {
info("Testing with a non-existent file");
try {
await OS.File.read("I/do/not/exist");
do_throw("Should have thrown with an ex.becauseNoSuchFile");
} catch (ex) {
if (ex.becauseNoSuchFile) {
info("Correct exceptions");
} else {
throw ex;
}
}
});
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