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Add more CSS parsing error reporting tests

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This commit is contained in:
Simon Sapin 2017-09-25 17:54:10 +02:00
parent 30e5b6fcd9
commit bc0903c928
1 changed files with 34 additions and 4 deletions
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38
tests/unit/style/stylesheets.rs
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@ -10,6 +10,7 @@ use selectors::attr::*;
use selectors::parser::*;
use servo_arc::Arc;
use servo_atoms::Atom;
use servo_config::prefs::{PREFS, PrefValue};
use servo_url::ServoUrl;
use std::borrow::ToOwned;
use std::cell::RefCell;
@ -282,15 +283,15 @@ impl TestingErrorReporter {
let errors = self.errors.borrow();
for (i, (error, &(line, column, message))) in errors.iter().zip(expected_errors).enumerate() {
assert_eq!((error.line, error.column), (line, column),
"line/column numbers of the {}th error", i + 1);
"line/column numbers of the {}th error: {:?}", i + 1, error.message);
assert!(error.message.contains(message),
"{:?} does not contain {:?}", error.message, message);
}
if errors.len() < expected_errors.len() {
panic!("Missing errors: {:?}", &expected_errors[errors.len()..]);
panic!("Missing errors: {:#?}", &expected_errors[errors.len()..]);
}
if errors.len() > expected_errors.len() {
panic!("Extra errors: {:?}", &errors[expected_errors.len()..]);
panic!("Extra errors: {:#?}", &errors[expected_errors.len()..]);
}
}
}
@ -314,12 +315,23 @@ impl ParseErrorReporter for TestingErrorReporter {
#[test]
fn test_report_error_stylesheet() {
PREFS.set("layout.viewport.enabled", PrefValue::Boolean(true));
let css = r"
div {
background-color: red;
display: invalid;
background-image: linear-gradient(0deg, black, invalid, transparent);
invalid: true;
}
@media (min-width: invalid 1000px) {}
@font-face { src: url(), invalid, url() }
@counter-style foo { symbols: a 0invalid b }
@font-feature-values Sans Sans { @foo {} @swash { foo: 1 invalid 2 } }
@invalid;
@media screen { @invalid; }
@supports (color: green) and invalid and (margin: 0) {}
@keyframes foo { from invalid {} to { margin: 0 invalid 0 } }
@viewport { width: 320px invalid auto; }
";
let url = ServoUrl::parse("about::test").unwrap();
let error_reporter = TestingErrorReporter::new();
@ -331,7 +343,25 @@ fn test_report_error_stylesheet() {
error_reporter.assert_messages_contain(&[
(8, 9, "Unsupported property declaration: 'display: invalid;'"),
(9, 9, "Unsupported property declaration: 'invalid: true;'"),
(9, 9, "Unsupported property declaration: 'background-image:"),
(10, 9, "Unsupported property declaration: 'invalid: true;'"),
(12, 11, "Invalid media rule"),
(13, 18, "Unsupported @font-face descriptor declaration"),
// When @counter-style is supported, this should be replaced with two errors
(14, 5, "Invalid rule: '@counter-style "),
// When @font-feature-values is supported, this should be replaced with two errors
(15, 5, "Invalid rule: '@font-feature-values "),
// FIXME: these two should be consistent
(16, 5, "Invalid rule: '@invalid'"),
(17, 21, "Unsupported rule: '@invalid'"),
(18, 5, "Invalid rule: '@supports "),
(19, 22, "Invalid keyframe rule: 'from invalid '"),
(19, 43, "Unsupported keyframe property declaration: 'margin: 0 invalid 0 '"),
(20, 17, "Unsupported @viewport descriptor declaration: 'width: 320px invalid auto;'"),
]);
assert_eq!(error_reporter.errors.borrow()[0].url, url);