arithmetic.slint - Codebrowser

1	// Copyright © SixtyFPS GmbH <info@slint.dev>
2	// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0
3
4	TestCase := Rectangle {
5	property<int> a;
6	property<int> t1: `4` + `3` * `2` + `2` - `50` - `2`;
7	property<int> t2: `500` / `2` * `30` - `1`;
8	property<int> t3: a - (`3` + ++`2` * (a + `2`));
9	property<int> t4: `3` + - +`5` - `8` - -`9` * --- `120`;
10
11	property <length> len: `50px` / `2`;
12
13	callback foo;
14	foo => {
15	a += +`8`;
16	a *= `10`;
17	a /= `2`;
18	a -= `3`;
19
20	len += `1px`;
21	len /= `2`;
22	len -= `3px`;
23	len *= `3`;
24	}
25	}
26	/*
27	```cpp
28	auto handle = TestCase::create();
29	const TestCase &instance = handle;*
30	assert_eq(instance.get_t1(), 4 + 3 2 + 2 - 50 - 2);*
31	assert_eq(instance.get_t2(), 500 / 2 30 - 1);*
32	instance.set_a(42);
33	assert_eq(instance.get_t3(), 42 - (3 + 2 (42 + 2)));*
34	assert_eq(instance.get_t4(), 3 + - 5 - 8 - -9 - - - 120);*
35	instance.invoke_foo();
36	assert_eq(instance.get_a(), (((42 + 8) 10) / 2) - 3);*
37
38	assert_eq(instance.get_len(), ((25.+1.)/2. - 3.) 3.);*
39	```
40
41
42	```rust
43	let instance = TestCase::new().unwrap();
44	assert_eq!(instance.get_t1(), 4 + 3 2 + 2 - 50 - 2);*
45	assert_eq!(instance.get_t2(), 500 / 2 30 - 1);*
46	instance.set_a(42);
47	assert_eq!(instance.get_t3(), 42 - (3 + 2 (42 + 2)));*
48	assert_eq!(instance.get_t4(), 3 + - 5 - 8 - -9 -(-(-120)));*
49	instance.invoke_foo();
50	assert_eq!(instance.get_a(), (((42 + 8) 10) / 2) - 3);*
51
52	assert_eq!(instance.get_len(), ((25.+1.)/2. - 3.) 3.);*
53	```
54
55	```js
56	var instance = new slint.TestCase({});
57	assert.equal(instance.t1, 4 + 3 2 + 2 - 50 - 2);*
58	assert.equal(instance.t2, 500 / 2 30 - 1);*
59	instance.a = 42;
60	assert.equal(instance.t3, 42 - (3 + 2 (42 + 2)));*
61	assert.equal(instance.t4, 3 + - 5 - 8 - -9 - - - 120);*
62	instance.foo();
63	assert.equal(instance.a, (((42 + 8) 10) / 2) - 3);*
64
65	assert.equal(instance.len, ((25.+1.)/2. - 3.) 3.);*
66	```
67	*/
68