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