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      1 /*
      2  * Copyright 2013 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #include "SkTFitsIn.h"
      9 #include "SkTypes.h"
     10 #include "Test.h"
     11 
     12 #include <limits>
     13 
     14 #define TEST(S, s, D, expected) REPORTER_ASSERT(reporter, (SkTFitsIn<D>((S)(s)) == (expected)))
     15 
     16 DEF_TEST(FitsIn, reporter) {
     17     TEST(int32_t,  1, int8_t, true);
     18     TEST(int32_t, -1, int8_t, true);
     19     TEST(int32_t,  (int32_t)(std::numeric_limits<int8_t>::max)(),    int8_t, true);
     20     TEST(int32_t, ((int32_t)(std::numeric_limits<int8_t>::max)())+1, int8_t, false);
     21     TEST(int32_t,  (int32_t)(std::numeric_limits<int8_t>::min)(),    int8_t, true);
     22     TEST(int32_t, (int32_t)((std::numeric_limits<int8_t>::min)())-1, int8_t, false);
     23 
     24     TEST(int32_t,  1, uint8_t, true);
     25     TEST(int32_t, -1, uint8_t, false);
     26     TEST(int32_t,  (int32_t)(std::numeric_limits<uint8_t>::max)(),    uint8_t, true);
     27     TEST(int32_t, ((int32_t)(std::numeric_limits<uint8_t>::max)())+1, uint8_t, false);
     28     TEST(int32_t,  0, uint8_t, true);
     29     TEST(int32_t, -1, uint8_t, false);
     30     TEST(int32_t, -127, uint8_t, false);
     31     TEST(int32_t, -128, uint8_t, false);
     32 
     33     TEST(int32_t, 1000, int8_t, false);
     34     TEST(int32_t, 1000, uint8_t, false);
     35 
     36     TEST(int32_t, 1, int32_t, true);
     37     TEST(int32_t, -1, int32_t, true);
     38     TEST(int32_t, 1, uint32_t, true);
     39     TEST(int32_t, -1, uint32_t, false);
     40 
     41     TEST(int32_t, 1, int64_t, true);
     42     TEST(int32_t, -1, int64_t, true);
     43     TEST(int32_t, 1, uint64_t, true);
     44     TEST(int32_t, -1, uint64_t, false);
     45 
     46     TEST(uint32_t, 1, int8_t, true);
     47     TEST(uint32_t, 1, uint8_t, true);
     48     TEST(uint32_t, 1, int32_t, true);
     49     TEST(uint32_t, 1, uint32_t, true);
     50     TEST(uint32_t, 1, int64_t, true);
     51     TEST(uint32_t, 1, uint64_t, true);
     52 
     53     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), int8_t, false);
     54     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), uint8_t, false);
     55     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), int32_t, false);
     56     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), uint32_t, true);
     57     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), int64_t, true);
     58     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), uint64_t, true);
     59 
     60     TEST(uint64_t, 1, int8_t, true);
     61     TEST(uint64_t, 1, uint8_t, true);
     62     TEST(uint64_t, 1, int32_t, true);
     63     TEST(uint64_t, 1, uint32_t, true);
     64     TEST(uint64_t, 1, int64_t, true);
     65     TEST(uint64_t, 1, uint64_t, true);
     66 
     67     // Uncommenting the following should cause compile failures.
     68     //TEST(float, 1, uint64_t, true);
     69 }
     70