regress: Add regression test for signal with GError param

This exercises the little-used code path where a signal is emitted with
a nullable GError as a parameter. It's modeled after
GstPbutils.Discoverer's 'discovered' signal.

See GNOME/gjs#262.

1 files changed, 38 insertions, 0 deletions

diff --git a/tests/scanner/Regress-1.0-C-expected/Regress.TestObj.emit_sig_with_null_error.page b/tests/scanner/Regress-1.0-C-expected/Regress.TestObj.emit_sig_with_null_error.page
new file mode 100644
index 00000000..11e38be4
--- /dev/null
+++ b/tests/scanner/Regress-1.0-C-expected/Regress.TestObj.emit_sig_with_null_error.page
@@ -0,0 +1,38 @@
+<?xml version="1.0"?>
+<page id="Regress.TestObj.emit_sig_with_null_error"
+      type="topic"
+      style="method"
+      xmlns="http://projectmallard.org/1.0/"
+      xmlns:api="http://projectmallard.org/experimental/api/"
+      xmlns:ui="http://projectmallard.org/1.0/ui/">
+  <info>
+    <link xref="Regress.TestObj" group="method" type="guide"/>
+    <api:function>
+      <api:returns>
+        <api:type>void</api:type>
+      </api:returns>
+      <api:name>regress_test_obj_emit_sig_with_null_error</api:name>
+      <api:arg>
+        <api:type>RegressTestObj*</api:type>
+        <api:name>self</api:name>
+      </api:arg>
+    </api:function>
+  </info>
+  <title>regress_test_obj_emit_sig_with_null_error</title>
+  <synopsis><code mime="text/x-csrc">
+void regress_test_obj_emit_sig_with_null_error (RegressTestObj* self);
+  </code></synopsis>
+
+
+<terms>
+<item>
+<title><code>self</code></title>
+  <p>The object to emit the signal.</p>
+</item>
+<item>
+<title><code>Returns</code></title>
+
+</item>
+</terms>
+
+</page>