rustdoc: Fix doc aliases with crate filtering

Fix a crash when searching for an alias contained in the currently selected filter crate.

Also remove alias search results for crates that should be filtered out.

The test suite needed to be fixed to actually take into account the crate filtering and check that there are no results when none are expected.

1 files changed, 11 insertions, 2 deletions

diff --git a/src/tools/rustdoc-js/tester.js b/src/tools/rustdoc-js/tester.js
index 163571bc5b9..139e6f73f42 100644
--- a/src/tools/rustdoc-js/tester.js
+++ b/src/tools/rustdoc-js/tester.js
@@ -269,6 +269,12 @@ function runSearch(query, expected, index, loaded, loadedFile, queryName) {
             break;
         }
         var entry = expected[key];
+
+        if (exact_check == true && entry.length !== results[key].length) {
+            error_text.push(queryName + "==> Expected exactly " + entry.length +
+                            " results but found " + results[key].length + " in '" + key + "'");
+        }
+
         var prev_pos = -1;
         for (var i = 0; i < entry.length; ++i) {
             var entry_pos = lookForEntry(entry[i], results[key]);
@@ -307,8 +313,11 @@ function checkResult(error_text, loadedFile, displaySuccess) {
 }
 
 function runChecks(testFile, loaded, index) {
-    var loadedFile = loadContent(
-        readFile(testFile) + 'exports.QUERY = QUERY;exports.EXPECTED = EXPECTED;');
+    var testFileContent = readFile(testFile) + 'exports.QUERY = QUERY;exports.EXPECTED = EXPECTED;';
+    if (testFileContent.indexOf("FILTER_CRATE") !== -1) {
+        testFileContent += "exports.FILTER_CRATE = FILTER_CRATE;";
+    }
+    var loadedFile = loadContent(testFileContent);
 
     const expected = loadedFile.EXPECTED;
     const query = loadedFile.QUERY;