Tasmota/lib/ArduinoJson/test/DynamicJsonBuffer_Basic_Tes...

60 lines
1.6 KiB
C++

// Copyright Benoit Blanchon 2014-2017
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#include <ArduinoJson.h>
#include <gtest/gtest.h>
class DynamicJsonBuffer_Basic_Tests : public testing::Test {
protected:
DynamicJsonBuffer buffer;
};
TEST_F(DynamicJsonBuffer_Basic_Tests, InitialSizeIsZero) {
ASSERT_EQ(0, buffer.size());
}
TEST_F(DynamicJsonBuffer_Basic_Tests, SizeIncreasesAfterAlloc) {
buffer.alloc(1);
ASSERT_LE(1U, buffer.size());
buffer.alloc(1);
ASSERT_LE(2U, buffer.size());
}
TEST_F(DynamicJsonBuffer_Basic_Tests, ReturnDifferentPointer) {
void* p1 = buffer.alloc(1);
void* p2 = buffer.alloc(2);
ASSERT_NE(p1, p2);
}
static bool isAligned(void* ptr) {
const size_t mask = sizeof(void*) - 1;
size_t addr = reinterpret_cast<size_t>(ptr);
return (addr & mask) == 0;
}
TEST_F(DynamicJsonBuffer_Basic_Tests, Alignment) {
// make room for tow but not three
buffer = DynamicJsonBuffer(2 * sizeof(void*) + 1);
ASSERT_TRUE(isAligned(buffer.alloc(1))); // this on is aligned by design
ASSERT_TRUE(isAligned(buffer.alloc(1))); // this one fits in the first block
ASSERT_TRUE(isAligned(buffer.alloc(1))); // this one requires a new block
}
TEST_F(DynamicJsonBuffer_Basic_Tests, strdup) {
char original[] = "hello";
char* copy = buffer.strdup(original);
strcpy(original, "world");
ASSERT_STREQ("hello", copy);
}
TEST_F(DynamicJsonBuffer_Basic_Tests, strdup_givenNull) {
const char* original = NULL;
char* copy = buffer.strdup(original);
ASSERT_EQ(NULL, copy);
}