[thirdparty/gcc.git] / gcc / testsuite / gdc.test / fail_compilation / test15306.d

/*
TEST_OUTPUT:
---
fail_compilation/test15306.d(15): Error: `immutable` delegate `test15306.main.__dgliteral2` cannot access mutable data `i`
fail_compilation/test15306.d(19): Error: `shared` delegate `test15306.main.__dgliteral5` cannot access non-shared data `p`
---
*/

// https://issues.dlang.org/show_bug.cgi?id=15306

void main()
{
    // immutable cannot access mutable
    int i = 42;
    auto dg1 = delegate void() immutable { auto inner = i; };

    // shared cannot access unshared
    int* p = &i;
    auto dg2 = delegate int() shared { return *p; };
    assert(dg2() == i);

    // unshared can access shared
    shared j = 43;
    shared int* q = &j;
    auto dg3 = delegate int() { return *q; };
    assert(dg2() == j);
}
Commit	Line	Data
b4c522fa	1	/*
b4c522fa IB	2	TEST_OUTPUT:
b4c522fa IB	3	---
5fee5ec3 IB	4	fail_compilation/test15306.d(15): Error: `immutable` delegate `test15306.main.__dgliteral2` cannot access mutable data `i`
5fee5ec3 IB	5	fail_compilation/test15306.d(19): Error: `shared` delegate `test15306.main.__dgliteral5` cannot access non-shared data `p`
b4c522fa IB	6	---
	7	*/
	8
	9	// https://issues.dlang.org/show_bug.cgi?id=15306
	10
	11	void main()
	12	{
	13	// immutable cannot access mutable
	14	int i = 42;
	15	auto dg1 = delegate void() immutable { auto inner = i; };
	16
	17	// shared cannot access unshared
	18	int* p = &i;
	19	auto dg2 = delegate int() shared { return *p; };
	20	assert(dg2() == i);
	21
	22	// unshared can access shared
	23	shared j = 43;
	24	shared int* q = &j;
	25	auto dg3 = delegate int() { return *q; };
	26	assert(dg2() == j);
	27	}