1 files changed, 26 insertions, 0 deletions
diff --git a/jstests/cqf/type_predicate.js b/jstests/cqf/type_predicate.js
new file mode 100644
index 00000000000..eb8de44b3f6
--- /dev/null
+++ b/jstests/cqf/type_predicate.js
@@ -0,0 +1,26 @@
+(function() {
+"use strict";
+
+load("jstests/libs/optimizer_utils.js");  // For checkCascadesOptimizerEnabled.
+if (!checkCascadesOptimizerEnabled(db)) {
+    jsTestLog("Skipping test because the optimizer is not enabled");
+    return;
+}
+
+const t = db.cqf_type_predicate;
+t.drop();
+
+for (let i = 0; i < 10; i++) {
+    assert.commandWorked(t.insert({a: i}));
+    assert.commandWorked(t.insert({a: i.toString()}));
+}
+
+{
+    const res = t.explain("executionStats").aggregate([{$match: {a: {$type: "string"}}}]);
+    assert.eq(10, res.executionStats.nReturned);
+}
+{
+    const res = t.explain("executionStats").aggregate([{$match: {a: {$type: "double"}}}]);
+    assert.eq(10, res.executionStats.nReturned);
+}
+}());
+\ No newline at end of file