[209] | 1 | // Copyright Benoit Blanchon 2014-2016
|
---|
| 2 | // MIT License
|
---|
| 3 | //
|
---|
| 4 | // Arduino JSON library
|
---|
| 5 | // https://github.com/bblanchon/ArduinoJson
|
---|
| 6 | // If you like this project, please add a star!
|
---|
| 7 |
|
---|
| 8 | #include <gtest/gtest.h>
|
---|
| 9 |
|
---|
| 10 | #define protected public
|
---|
| 11 | #include <ArduinoJson/StaticJsonBuffer.hpp>
|
---|
| 12 |
|
---|
| 13 | using namespace ArduinoJson;
|
---|
| 14 |
|
---|
| 15 | class StaticJsonBuffer_Basic_Tests : public testing::Test {
|
---|
| 16 | protected:
|
---|
| 17 | StaticJsonBuffer<64> buffer;
|
---|
| 18 | };
|
---|
| 19 |
|
---|
| 20 | TEST_F(StaticJsonBuffer_Basic_Tests, CapacityMatchTemplateParameter) {
|
---|
| 21 | ASSERT_EQ(64, buffer.capacity());
|
---|
| 22 | }
|
---|
| 23 |
|
---|
| 24 | TEST_F(StaticJsonBuffer_Basic_Tests, InitialSizeIsZero) {
|
---|
| 25 | ASSERT_EQ(0, buffer.size());
|
---|
| 26 | }
|
---|
| 27 |
|
---|
| 28 | TEST_F(StaticJsonBuffer_Basic_Tests, GrowsAfterAlloc) {
|
---|
| 29 | buffer.alloc(1);
|
---|
| 30 | ASSERT_LE(1U, buffer.size());
|
---|
| 31 | buffer.alloc(1);
|
---|
| 32 | ASSERT_LE(2U, buffer.size());
|
---|
| 33 | }
|
---|
| 34 |
|
---|
| 35 | TEST_F(StaticJsonBuffer_Basic_Tests, DoesntGrowWhenFull) {
|
---|
| 36 | buffer.alloc(64);
|
---|
| 37 | buffer.alloc(1);
|
---|
| 38 | ASSERT_EQ(64, buffer.size());
|
---|
| 39 | }
|
---|
| 40 |
|
---|
| 41 | TEST_F(StaticJsonBuffer_Basic_Tests, DoesntGrowWhenTooSmall) {
|
---|
| 42 | buffer.alloc(65);
|
---|
| 43 | ASSERT_EQ(0, buffer.size());
|
---|
| 44 | }
|
---|
| 45 |
|
---|
| 46 | TEST_F(StaticJsonBuffer_Basic_Tests, ReturnsNonNull) {
|
---|
| 47 | void *p = buffer.alloc(64);
|
---|
| 48 | ASSERT_NE(static_cast<void *>(0), p);
|
---|
| 49 | }
|
---|
| 50 |
|
---|
| 51 | TEST_F(StaticJsonBuffer_Basic_Tests, ReturnsNullWhenFull) {
|
---|
| 52 | buffer.alloc(64);
|
---|
| 53 | void *p = buffer.alloc(1);
|
---|
| 54 | ASSERT_EQ(NULL, p);
|
---|
| 55 | }
|
---|
| 56 |
|
---|
| 57 | TEST_F(StaticJsonBuffer_Basic_Tests, ReturnsNullWhenTooSmall) {
|
---|
| 58 | void *p = buffer.alloc(65);
|
---|
| 59 | ASSERT_EQ(NULL, p);
|
---|
| 60 | }
|
---|
| 61 |
|
---|
| 62 | TEST_F(StaticJsonBuffer_Basic_Tests, Alignment) {
|
---|
| 63 | size_t mask = sizeof(void *) - 1;
|
---|
| 64 |
|
---|
| 65 | for (size_t size = 1; size <= sizeof(void *); size++) {
|
---|
| 66 | size_t addr = reinterpret_cast<size_t>(buffer.alloc(1));
|
---|
| 67 | ASSERT_EQ(0, addr & mask);
|
---|
| 68 | }
|
---|
| 69 | }
|
---|