diff --git a/lib/Database.php b/lib/Database.php
index 49f32e8..404f451 100644
--- a/lib/Database.php
+++ b/lib/Database.php
@@ -1418,6 +1418,9 @@ class Database {
                 $col = $opt['cte_cols'][$named ? 2 : 1];
                 if ($context->$m()) {
                     $seen = true;
+                    if (!$context->$m) {
+                        throw new Db\ExceptionInput("tooShort", ['field' => $m, 'action' => $this->caller(), 'min' => 1]); // must have at least one array element
+                    }
                     if ($multi) {
                         list($test, $types, $values) = $this->generateIn($context->$m, $named ? "str" : "int");
                         $test = "in ($test)";
diff --git a/tests/cases/Database/SeriesArticle.php b/tests/cases/Database/SeriesArticle.php
index 51d9da5..694aec5 100644
--- a/tests/cases/Database/SeriesArticle.php
+++ b/tests/cases/Database/SeriesArticle.php
@@ -789,11 +789,6 @@ trait SeriesArticle {
         $this->compareExpectations($state);
     }
 
-    public function testMarkTooFewMultipleArticles() {
-        $this->assertException("tooShort", "Db", "ExceptionInput");
-        Arsse::$db->articleMark($this->user, ['read'=>false,'starred'=>true], (new Context)->articles([]));
-    }
-
     public function testMarkTooManyMultipleArticles() {
         $this->assertSame(7, Arsse::$db->articleMark($this->user, ['read'=>false,'starred'=>true], (new Context)->articles(range(1, Database::LIMIT_SET_SIZE * 3))));
     }
@@ -860,11 +855,6 @@ trait SeriesArticle {
         $this->compareExpectations($state);
     }
 
-    public function testMarkTooFewMultipleEditions() {
-        $this->assertException("tooShort", "Db", "ExceptionInput");
-        Arsse::$db->articleMark($this->user, ['read'=>false,'starred'=>true], (new Context)->editions([]));
-    }
-
     public function testMarkTooManyMultipleEditions() {
         $this->assertSame(7, Arsse::$db->articleMark($this->user, ['read'=>false,'starred'=>true], (new Context)->editions(range(1, 51))));
     }
@@ -1036,13 +1026,20 @@ trait SeriesArticle {
         Arsse::$db->articleCategoriesGet($this->user, 19);
     }
 
-    public function testSearchTooFewTerms() {
+    /** @dataProvider provideArrayContextOptions */
+    public function testUseTooFewValuesInArrayContext(string $option) {
         $this->assertException("tooShort", "Db", "ExceptionInput");
-        Arsse::$db->articleList($this->user, (new Context)->searchTerms([]));
+        Arsse::$db->articleList($this->user, (new Context)->annotationTerms([]));
     }
 
-    public function testSearchTooFewTermsInNote() {
-        $this->assertException("tooShort", "Db", "ExceptionInput");
-        Arsse::$db->articleList($this->user, (new Context)->annotationTerms([]));
+    public function provideArrayContextOptions() {
+        foreach([
+            "articles", "editions", 
+            "subscriptions", "foldersShallow", //"folders",
+            "tags", "tagNames", "labels", "labelNames",
+            "searchTerms", "authorTerms", "annotationTerms",
+        ] as $method) {
+            yield [$method];
+        }
     }
 }