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Bug 1384216 - Part 1: Add a testsuite for CSS parsing error messages. r=heycam 

MozReview-Commit-ID: 8Nmwcn396Rl
This commit is contained in:
Josh Matthews 2017-08-29 12:24:29 -05:00 коммит произвёл J. Ryan Stinnett
Родитель afbf75cb40
Коммит c6c5e6928c
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1
layout/style/test/mochitest.ini
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@ -189,6 +189,7 @@ skip-if = toolkit == 'android' #bug 536603
[test_css_escape_api.html]
[test_css_function_mismatched_parenthesis.html]
[test_css_loader_crossorigin_data_url.html]
[test_css_parse_error_smoketest.html]
[test_css_supports.html]
[test_css_supports_variables.html]
[test_default_bidi_css.html]

53
layout/style/test/test_css_parse_error_smoketest.html Normal file
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@ -0,0 +1,53 @@
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Test for CSS parser reporting parsing errors with expected precision</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body>
<style id="testbench"></style>
<script>
var tests = [
{ css: "@unknown {}", error: "Unrecognized at-rule or error parsing at-rule ‘@unknown’." },
{ css: "x { color: invalid; }", error: "Expected color but found ‘invalid’. Error in parsing value for ‘color’. Declaration dropped." },
{ css: "::unknown {}", error: "Unknown pseudo-class or pseudo-element ‘unknown’. Ruleset ignored due to bad selector." },
{ css: ":unknown {}", error: "Unknown pseudo-class or pseudo-element ‘unknown’. Ruleset ignored due to bad selector." },
{ css: "::5 {}", error: "Expected identifier for pseudo-class or pseudo-element but found ‘5’. Ruleset ignored due to bad selector." },
{ css: ": {}", error: "Expected identifier for pseudo-class or pseudo-element but found ‘ ’. Ruleset ignored due to bad selector." },
{ css: "x[a.]{}", error: "Unexpected token in attribute selector: ‘.’. Ruleset ignored due to bad selector." },
{ css: "x[*a]{}", error: "Expected ‘|’ but found ‘a’. Ruleset ignored due to bad selector." },
{ css: "x[a=5]{}", error: "Expected identifier or string for value in attribute selector but found ‘5’. Ruleset ignored due to bad selector." },
{ css: "x[$] {}", error: "Expected attribute name or namespace but found ‘$’. Ruleset ignored due to bad selector." },
{ css: "a[|5] {}", error: "Expected identifier for attribute name but found ‘5’. Ruleset ignored due to bad selector." },
{ css: "a[x|] {}", error: "Unknown namespace prefix ‘x’. Ruleset ignored due to bad selector." },
{ css: "x| {}", error: "Unknown namespace prefix ‘x’. Ruleset ignored due to bad selector." },
{ css: "a> {}", error: "Dangling combinator. Ruleset ignored due to bad selector." },
{ css: "~ {}", error: "Selector expected. Ruleset ignored due to bad selector." },
{ css: "| {}", error: "Expected element name or ‘*’ but found ‘ ’. Ruleset ignored due to bad selector." },
{ css: ". {}", error: "Expected identifier for class selector but found ‘ ’. Ruleset ignored due to bad selector." },
{ css: ":not() {}", error: "Missing argument in negation pseudo-class ‘)’. Ruleset ignored due to bad selector." },
];
var test = -1;
function nextTest() {
test++;
if (test == tests.length) {
SimpleTest.finish();
return;
}
let {css, error} = tests[test];
SimpleTest.expectConsoleMessages(function () { testbench.innerHTML = css },
[{ errorMessage: error }],
nextTest);
}
SimpleTest.waitForExplicitFinish();
nextTest();
</script>