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Test that DynamicJsonBuffer returns a different pointer after each alloc()

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This commit is contained in:
Benoit Blanchon
2014-12-13 10:03:01 +01:00
parent 0d57fe5a7e
commit ada588c112
2 changed files with 11 additions and 1 deletions
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6
include/ArduinoJson/DynamicJsonBuffer.hpp
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@ -21,10 +21,14 @@ class DynamicJsonBuffer : public JsonBuffer {
protected: protected:
virtual void* alloc(size_t bytes) { virtual void* alloc(size_t bytes) {
void* p = _buffer + _size;
_size += bytes; _size += bytes;
return NULL; return p;
} }
static const size_t BLOCK_CAPACITY = 32;
size_t _size; size_t _size;
uint8_t _buffer[BLOCK_CAPACITY];
}; };
} }

6
test/DynamicJsonBuffer_Basic_Tests.cpp
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@ -26,3 +26,9 @@ TEST_F(DynamicJsonBuffer_Basic_Tests, GrowsAfterAlloc) {
buffer.alloc(100); buffer.alloc(100);
ASSERT_EQ(200, buffer.size()); ASSERT_EQ(200, buffer.size());
} }
TEST_F(DynamicJsonBuffer_Basic_Tests, ReturnDifferentPointer) {
void* p1 = buffer.alloc(100);
void* p2 = buffer.alloc(200);
ASSERT_NE(p1, p2);
}