[gjs/wip/carlosg/arrays-in-signals: 2/2] testGIMarshalling: Add initial set of tests for arguments in signals

[Carlos Garnacho <carlosg src gnome org>]

commit e560a154273ec1c7f6731d53bc54261ef7fc4144
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Mar 3 13:59:57 2021 +0100

    testGIMarshalling: Add initial set of tests for arguments in signals
    
    Test so far boxed arrays containing simple and complex data, as arrays
    were broken till recently.

 installed-tests/js/testGIMarshalling.js | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
---
diff --git a/installed-tests/js/testGIMarshalling.js b/installed-tests/js/testGIMarshalling.js
index 84092aa4..03429486 100644
--- a/installed-tests/js/testGIMarshalling.js
+++ b/installed-tests/js/testGIMarshalling.js
@@ -1751,3 +1751,34 @@ describe('GObject properties', function () {
         expect(() => (obj.some_readonly = 35)).toThrow();
     });
 });
+
+describe('GObject signals', function () {
+    let obj;
+    beforeEach(function () {
+        obj = new GIMarshallingTests.SignalsObject();
+    });
+
+    function testSignalEmission(type, value, skip = false) {
+        it(`checks emission of signal with ${type} argument`, function () {
+            if (skip)
+                pending(skip);
+
+           function signalCallback(obj, arg) {
+               expect(value).toEqual(arg);
+           }
+
+           const signalName = `some_${type}`;
+           const funcName = `emit_${type}`.replace(/-/g, '_');
+           const signalId = obj.connect(signalName, signalCallback)
+           obj[funcName]();
+           obj.disconnect(signalId);
+        });
+    }
+
+    testSignalEmission('boxed-gptrarray-utf8', ['0', '1', '2']);
+    testSignalEmission('boxed-gptrarray-boxed-struct', [
+       new GIMarshallingTests.BoxedStruct({ long_: 42 }),
+       new GIMarshallingTests.BoxedStruct({ long_: 43 }),
+       new GIMarshallingTests.BoxedStruct({ long_: 44 }),
+    ]);
+});