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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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devtools/shared/webconsole/test/unit/test_js_property_provider.js Normal file
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/* -*- js-indent-level: 2; indent-tabs-mode: nil -*- */
// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/publicdomain/zero/1.0/
"use strict";
const { require } = Components.utils.import("resource://devtools/shared/Loader.jsm", {});
const { FallibleJSPropertyProvider: JSPropertyProvider } =
require("devtools/shared/webconsole/js-property-provider");
Components.utils.import("resource://gre/modules/jsdebugger.jsm");
addDebuggerToGlobal(this);
function run_test() {
const testArray = `var testArray = [
{propA: "A"},
{
propB: "B",
propC: [
"D"
]
},
[
{propE: "E"}
]
]`;
const testObject = 'var testObject = {"propA": [{"propB": "B"}]}';
const testHyphenated = 'var testHyphenated = {"prop-A": "res-A"}';
const testLet = "let foobar = {a: ''}; const blargh = {a: 1};";
let sandbox = Components.utils.Sandbox("http://example.com");
let dbg = new Debugger;
let dbgObject = dbg.addDebuggee(sandbox);
let dbgEnv = dbgObject.asEnvironment();
Components.utils.evalInSandbox(testArray, sandbox);
Components.utils.evalInSandbox(testObject, sandbox);
Components.utils.evalInSandbox(testHyphenated, sandbox);
Components.utils.evalInSandbox(testLet, sandbox);
do_print("Running tests with dbgObject");
runChecks(dbgObject, null);
do_print("Running tests with dbgEnv");
runChecks(null, dbgEnv);
}
function runChecks(dbgObject, dbgEnv) {
do_print("Test that suggestions are given for 'this'");
let results = JSPropertyProvider(dbgObject, dbgEnv, "t");
test_has_result(results, "this");
if (dbgObject != null) {
do_print("Test that suggestions are given for 'this.'");
results = JSPropertyProvider(dbgObject, dbgEnv, "this.");
test_has_result(results, "testObject");
do_print("Test that no suggestions are given for 'this.this'");
results = JSPropertyProvider(dbgObject, dbgEnv, "this.this");
test_has_no_results(results);
}
do_print("Testing lexical scope issues (Bug 1207868)");
results = JSPropertyProvider(dbgObject, dbgEnv, "foobar");
test_has_result(results, "foobar");
results = JSPropertyProvider(dbgObject, dbgEnv, "foobar.");
test_has_result(results, "a");
results = JSPropertyProvider(dbgObject, dbgEnv, "blargh");
test_has_result(results, "blargh");
results = JSPropertyProvider(dbgObject, dbgEnv, "blargh.");
test_has_result(results, "a");
do_print("Test that suggestions are given for 'foo[n]' where n is an integer.");
results = JSPropertyProvider(dbgObject, dbgEnv, "testArray[0].");
test_has_result(results, "propA");
do_print("Test that suggestions are given for multidimensional arrays.");
results = JSPropertyProvider(dbgObject, dbgEnv, "testArray[2][0].");
test_has_result(results, "propE");
do_print("Test that suggestions are given for nested arrays.");
results = JSPropertyProvider(dbgObject, dbgEnv, "testArray[1].propC[0].");
test_has_result(results, "indexOf");
do_print("Test that suggestions are given for literal arrays.");
results = JSPropertyProvider(dbgObject, dbgEnv, "[1,2,3].");
test_has_result(results, "indexOf");
do_print("Test that suggestions are given for literal arrays with newlines.");
results = JSPropertyProvider(dbgObject, dbgEnv, "[1,2,3,\n4\n].");
test_has_result(results, "indexOf");
do_print("Test that suggestions are given for literal strings.");
results = JSPropertyProvider(dbgObject, dbgEnv, "'foo'.");
test_has_result(results, "charAt");
results = JSPropertyProvider(dbgObject, dbgEnv, '"foo".');
test_has_result(results, "charAt");
results = JSPropertyProvider(dbgObject, dbgEnv, "`foo`.");
test_has_result(results, "charAt");
results = JSPropertyProvider(dbgObject, dbgEnv, "'[1,2,3]'.");
test_has_result(results, "charAt");
do_print("Test that suggestions are not given for syntax errors.");
results = JSPropertyProvider(dbgObject, dbgEnv, "'foo\"");
do_check_null(results);
results = JSPropertyProvider(dbgObject, dbgEnv, "[1,',2]");
do_check_null(results);
results = JSPropertyProvider(dbgObject, dbgEnv, "'[1,2].");
do_check_null(results);
results = JSPropertyProvider(dbgObject, dbgEnv, "'foo'..");
do_check_null(results);
do_print("Test that suggestions are not given without a dot.");
results = JSPropertyProvider(dbgObject, dbgEnv, "'foo'");
test_has_no_results(results);
results = JSPropertyProvider(dbgObject, dbgEnv, "[1,2,3]");
test_has_no_results(results);
results = JSPropertyProvider(dbgObject, dbgEnv, "[1,2,3].\n'foo'");
test_has_no_results(results);
do_print("Test that suggestions are not given for numeric literals.");
results = JSPropertyProvider(dbgObject, dbgEnv, "1.");
do_check_null(results);
do_print("Test that suggestions are not given for index that's out of bounds.");
results = JSPropertyProvider(dbgObject, dbgEnv, "testArray[10].");
do_check_null(results);
do_print("Test that no suggestions are given if an index is not numerical somewhere in the chain.");
results = JSPropertyProvider(dbgObject, dbgEnv, "testArray[0]['propC'][0].");
do_check_null(results);
results = JSPropertyProvider(dbgObject, dbgEnv, "testObject['propA'][0].");
do_check_null(results);
results = JSPropertyProvider(dbgObject, dbgEnv, "testArray[0]['propC'].");
do_check_null(results);
results = JSPropertyProvider(dbgObject, dbgEnv, "testArray[][1].");
do_check_null(results);
do_print("Test that suggestions are not given if there is an hyphen in the chain.");
results = JSPropertyProvider(dbgObject, dbgEnv, "testHyphenated['prop-A'].");
do_check_null(results);
}
/**
* A helper that ensures an empty array of results were found.
* @param Object aResults
* The results returned by JSPropertyProvider.
*/
function test_has_no_results(aResults) {
do_check_neq(aResults, null);
do_check_eq(aResults.matches.length, 0);
}
/**
* A helper that ensures (required) results were found.
* @param Object aResults
* The results returned by JSPropertyProvider.
* @param String aRequiredSuggestion
* A suggestion that must be found from the results.
*/
function test_has_result(aResults, aRequiredSuggestion) {
do_check_neq(aResults, null);
do_check_true(aResults.matches.length > 0);
do_check_true(aResults.matches.indexOf(aRequiredSuggestion) !== -1);
}