diff --git a/tests/cases/Database/SeriesArticle.php b/tests/cases/Database/SeriesArticle.php
index a1eafda..2a4aa51 100644
--- a/tests/cases/Database/SeriesArticle.php
+++ b/tests/cases/Database/SeriesArticle.php
@@ -526,6 +526,8 @@ trait SeriesArticle {
             'Excluding entire folder tree'                               => [(new Context)->not->folder(0), []],
             'Excluding multiple folder trees'                            => [(new Context)->not->folders([1,5]), [1,2,3,4]],
             'Excluding multiple folder trees including root'             => [(new Context)->not->folders([0,1,5]), []],
+            'Before article 3'                                           => [(new Context)->not->articleRange(3, null), [1,2]],
+            'Before article 19'                                          => [(new Context)->not->articleRange(null, 19), [20]],
         ];
     }
 
diff --git a/tests/cases/Misc/TestContext.php b/tests/cases/Misc/TestContext.php
index a05cab6..fa05348 100644
--- a/tests/cases/Misc/TestContext.php
+++ b/tests/cases/Misc/TestContext.php
@@ -9,7 +9,10 @@ namespace JKingWeb\Arsse\TestCase\Misc;
 use JKingWeb\Arsse\Context\Context;
 use JKingWeb\Arsse\Misc\ValueInfo;
 
-/** @covers \JKingWeb\Arsse\Context\Context<extended> */
+/**
+ * @covers \JKingWeb\Arsse\Context\Context<extended>
+ * @covers \JKingWeb\Arsse\Context\ExclusionContext<extended>
+ */
 class TestContext extends \JKingWeb\Arsse\Test\AbstractTest {
     protected $ranges = ['modifiedRange', 'markedRange', 'articleRange', 'editionRange'];
 
@@ -79,6 +82,45 @@ class TestContext extends \JKingWeb\Arsse\Test\AbstractTest {
         }
     }
 
+    public function provideContextOptions(): iterable {
+        return [
+            'reverse'          => [[true], true],
+            'limit'            => [[10],                                             10],
+            'offset'           => [[5],                                              5],
+            'folder'           => [[42],                                             42],
+            'folders'          => [[[12,22]],                                        [12,22]],
+            'folderShallow'    => [[42],                                             42],
+            'foldersShallow'   => [[[0,1]],                                          [0,1]],
+            'tag'              => [[44],                                             44],
+            'tags'             => [[[44, 2112]],                                     [44, 2112]],
+            'tagName'          => [["XLIV"],                                         "XLIV"],
+            'tagNames'         => [[["XLIV", "MMCXII"]],                             ["XLIV", "MMCXII"]],
+            'subscription'     => [[2112],                                           2112],
+            'subscriptions'    => [[[44, 2112]],                                     [44, 2112]],
+            'article'          => [[255],                                            255],
+            'edition'          => [[65535],                                          65535],
+            'unread'           => [[true],                                           true],
+            'starred'          => [[true],                                           true],
+            'hidden'           => [[true],                                           true],
+            'editions'         => [[[1,2]],                                          [1,2]],
+            'articles'         => [[[1,2]],                                          [1,2]],
+            'label'            => [[2112],                                           2112],
+            'labels'           => [[[2112, 1984]],                                   [2112, 1984]],
+            'labelName'        => [["Rush"],                                         "Rush"],
+            'labelNames'       => [[["Rush", "Orwell"]],                             ["Rush", "Orwell"]],
+            'labelled'         => [[true],                                           true],
+            'annotated'        => [[true],                                           true],
+            'searchTerms'      => [[["foo", "bar"]],                                 ["foo", "bar"]],
+            'annotationTerms'  => [[["foo", "bar"]],                                 ["foo", "bar"]],
+            'titleTerms'       => [[["foo", "bar"]],                                 ["foo", "bar"]],
+            'authorTerms'      => [[["foo", "bar"]],                                 ["foo", "bar"]],
+            'modifiedRange'    => [["2020-03-06T22:08:03Z", "2022-12-31T06:33:12Z"], ["2020-03-06T22:08:03Z", "2022-12-31T06:33:12Z"]],
+            'markedRange'      => [["2020-03-06T22:08:03Z", "2022-12-31T06:33:12Z"], ["2020-03-06T22:08:03Z", "2022-12-31T06:33:12Z"]],
+            'articleRange'     => [[1, 100],                                         [1, 100]],
+            'editionRange'     => [[1, 100],                                         [1, 100]],
+        ];
+    }
+
     public function testCleanIdArrayValues(): void {
         $methods = ["articles", "editions", "tags", "labels", "subscriptions"];
         $in = [1, "2", 3.5, 4.0, 4, "ook", 0, -20, true, false, null, new \DateTime(), -1.0];