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tests: Add simple PropertyTarget test
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‎meson.build‎

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@@ -168,6 +168,9 @@ subdir('plugins/template')
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if get_option('documentation')
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subdir('docs')
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endif
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if get_option('tests')
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subdir('tests')
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endif
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subdir('po')
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vapigen = find_program('vapigen', required: false)

‎meson_options.txt‎

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option ('documentation', type : 'boolean', value : false)
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option ('tests', type : 'boolean', value : false)
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option ('systemd', type : 'boolean', value : true)
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option ('systemduserunitdir', type : 'string', value : '')

‎tests/lib/PropertyTargetTest.vala‎

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/*
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* Copyright 2025 elementary, Inc. (https://elementary.io)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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public class MockObject : Object {
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public int int_value { get; set; }
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public double double_value { get; set; }
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}
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public class Gala.PropertyTargetTest : TestCase {
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private MockObject? target;
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private PropertyTarget? default_int_prop_target;
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public PropertyTargetTest () {
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Object (name: "PropertyTarget");
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}
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construct {
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add_test ("simple propagation", test_simple_propagation);
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add_test ("double propagation", test_double_propagation);
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add_test ("other actions", test_other_actions);
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add_test ("finalize object first", test_finalize_object_first);
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add_test ("finalize property target first", test_finalize_property_target_first);
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}
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public override void set_up () {
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target = new MockObject ();
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default_int_prop_target = new PropertyTarget (
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MULTITASKING_VIEW,
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target,
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"int-value",
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typeof(int),
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0,
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10
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);
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}
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public override void tear_down () {
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target = null;
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default_int_prop_target = null;
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}
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private void test_simple_propagation () {
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assert_nonnull (&default_int_prop_target);
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assert_nonnull (&target);
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assert_cmpint (target.int_value, EQ, 0);
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default_int_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.0);
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assert_cmpint (target.int_value, EQ, 0);
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default_int_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.5);
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assert_cmpint (target.int_value, EQ, 5);
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default_int_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 1.0);
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assert_cmpint (target.int_value, EQ, 10);
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default_int_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.8);
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assert_cmpint (target.int_value, EQ, 8);
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default_int_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.3);
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assert_cmpint (target.int_value, EQ, 3);
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default_int_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.6);
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assert_cmpint (target.int_value, EQ, 6);
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assert_finalize_object<MockObject> (ref target);
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assert_finalize_object<PropertyTarget> (ref default_int_prop_target);
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}
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private void test_double_propagation () {
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var double_prop_target = new PropertyTarget (
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MULTITASKING_VIEW,
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target,
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"double-value",
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typeof(double),
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0.0,
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2.0
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);
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assert_nonnull (&double_prop_target);
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assert_nonnull (&target);
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assert_cmpfloat (target.double_value, EQ, 0.0);
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double_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.0);
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assert_cmpfloat (target.double_value, EQ, 0.0);
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double_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.5);
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assert_cmpfloat (target.double_value, EQ, 1.0);
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double_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 1.0);
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assert_cmpfloat (target.double_value, EQ, 2.0);
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double_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.8);
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assert_cmpfloat (target.double_value, EQ, 1.6);
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double_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.3);
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assert_cmpfloat (target.double_value, EQ, 0.6);
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double_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.6);
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assert_cmpfloat (target.double_value, EQ, 1.2);
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assert_finalize_object<MockObject> (ref target);
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assert_finalize_object<PropertyTarget> (ref double_prop_target);
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}
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private void test_other_actions () {
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assert_nonnull (&default_int_prop_target);
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assert_nonnull (&target);
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assert_cmpint (target.int_value, EQ, 0);
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default_int_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.0);
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assert_cmpint (target.int_value, EQ, 0);
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default_int_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 0.5);
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assert_cmpint (target.int_value, EQ, 5);
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default_int_prop_target.propagate (UPDATE, SWITCH_WORKSPACE, 1.0);
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assert_cmpint (target.int_value, EQ, 5);
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default_int_prop_target.propagate (UPDATE, CUSTOM, 1.0);
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assert_cmpint (target.int_value, EQ, 5);
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default_int_prop_target.propagate (UPDATE, MULTITASKING_VIEW, 1.0);
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assert_cmpint (target.int_value, EQ, 10);
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assert_finalize_object<MockObject> (ref target);
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assert_finalize_object<PropertyTarget> (ref default_int_prop_target);
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}
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private void test_finalize_object_first () {
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assert_nonnull (&target);
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assert_nonnull (&default_int_prop_target);
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// We can finalize the object before the property target because it doesn't hold a strong reference to it
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assert_finalize_object<MockObject> (ref target);
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assert_finalize_object<PropertyTarget> (ref default_int_prop_target);
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}
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private void test_finalize_property_target_first () {
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assert_nonnull (&target);
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assert_nonnull (&default_int_prop_target);
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// Finalize the property target before the object and make sure we don't have weak references
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// to the object (i.e. we don't crash when finalizing the object)
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assert_finalize_object<PropertyTarget> (ref default_int_prop_target);
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assert_finalize_object<MockObject> (ref target);
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}
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}
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public int main (string[] args) {
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return new Gala.PropertyTargetTest ().run (args);
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}

‎tests/lib/meson.build‎

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lib_test_sources = files(
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meson.project_source_root() / 'lib' / 'Gestures' / 'Gesture.vala',
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meson.project_source_root() / 'lib' / 'Gestures' / 'GestureTarget.vala',
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meson.project_source_root() / 'lib' / 'Gestures' / 'PropertyTarget.vala',
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)
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tests = [
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'PropertyTargetTest',
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]
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foreach test : tests
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test_executable = executable(
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test,
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'@[email protected]'.format(test),
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common_test_sources,
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lib_test_sources,
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dependencies: gala_base_dep,
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install: false,
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)
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test(test, test_executable, suite: ['Gala', 'Gala/lib'])
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endforeach

‎tests/meson.build‎

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common_test_sources = files(
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'TestCase.vala',
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)
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subdir('lib')

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