TLazyTest.cpp File Reference

#include "src/base/SkTLazy.h"
#include "tests/Test.h"

Go to the source code of this file.

Functions
	DEF_TEST (TLazy_copy, r)
	DEF_TEST (TCopyOnFirstWrite_copy, r)

Function Documentation

DEF_TEST() [1/2]

DEF_TEST	(	TCopyOnFirstWrite_copy	,
		r
	)

Definition at line 36 of file TLazyTest.cpp.

                                    {
    const int v = 42;
 
    SkTCopyOnFirstWrite<int> cow(v);
 
    REPORTER_ASSERT(r, 42 == *cow);
    REPORTER_ASSERT(r, &v ==  cow.get());
 
    {
        SkTCopyOnFirstWrite<int> cow_copy(cow);
        REPORTER_ASSERT(r, 42 == *cow_copy);
        REPORTER_ASSERT(r, &v ==  cow_copy.get());
        REPORTER_ASSERT(r, cow.get() ==  cow_copy.get());
 
        *cow_copy.writable() = 43;
        REPORTER_ASSERT(r, 42 == *cow);
        REPORTER_ASSERT(r, &v ==  cow.get());
        REPORTER_ASSERT(r, 43 == *cow_copy);
        REPORTER_ASSERT(r, &v !=  cow_copy.get());
        REPORTER_ASSERT(r, cow.get() !=  cow_copy.get());
    }
 
    *cow.writable() = 43;
 
    REPORTER_ASSERT(r, 43 == *cow);
    REPORTER_ASSERT(r, &v !=  cow.get());
 
    {
        SkTCopyOnFirstWrite<int> cow_copy(cow);
        REPORTER_ASSERT(r, 43 == *cow_copy);
        REPORTER_ASSERT(r, &v !=  cow_copy.get());
        REPORTER_ASSERT(r, cow.get() !=  cow_copy.get());
 
        *cow_copy.writable() = 44;
 
        REPORTER_ASSERT(r, 43 == *cow);
        REPORTER_ASSERT(r, &v !=  cow.get());
        REPORTER_ASSERT(r, 44 == *cow_copy);
        REPORTER_ASSERT(r, &v !=  cow_copy.get());
        REPORTER_ASSERT(r, cow.get() !=  cow_copy.get());
    }
}

DEF_TEST() [2/2]

DEF_TEST	(	TLazy_copy	,
		r
	)

Definition at line 11 of file TLazyTest.cpp.

                        {
    SkTLazy<int> lazy;
 
    REPORTER_ASSERT(r, !lazy.isValid());
    REPORTER_ASSERT(r, lazy.getMaybeNull() == nullptr);
 
    {
        SkTLazy<int> lazy_copy(lazy);  // NOLINT(performance-unnecessary-copy-initialization)
        REPORTER_ASSERT(r, !lazy_copy.isValid());
        REPORTER_ASSERT(r, lazy_copy.getMaybeNull() == nullptr);
    }
 
    lazy.init(42);
 
    REPORTER_ASSERT(r, lazy.isValid());
    REPORTER_ASSERT(r, 42 == *lazy.get());
 
    {
        SkTLazy<int> lazy_copy(lazy);  // NOLINT(performance-unnecessary-copy-initialization)
        REPORTER_ASSERT(r, lazy_copy.isValid());
        REPORTER_ASSERT(r, 42 == *lazy_copy.get());
        REPORTER_ASSERT(r, lazy.get() != lazy_copy.get());
    }
}