When std::bind is used, it requires inclusion of <functional> header. This was not mandatory with earlier versions of g++ (4.x), may be because they had experimental support for c++11.
155 lines
4.6 KiB
C++
155 lines
4.6 KiB
C++
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "catch.hpp"
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#include "esp_spi_flash.h"
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#include "spi_flash_emulation.h"
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#include <functional>
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using namespace std;
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template <typename Tit>
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bool range_empty_n(Tit it_begin, size_t n)
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{
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return all_of(it_begin, it_begin + n, bind(equal_to<uint32_t>(), placeholders::_1, 0xffffffff));
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}
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TEST_CASE("flash starts with all bytes == 0xff", "[spi_flash_emu]")
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{
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SpiFlashEmulator emu(4);
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uint8_t sector[SPI_FLASH_SEC_SIZE];
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for (int i = 0; i < 4; ++i) {
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CHECK(spi_flash_read(0, sector, sizeof(sector)) == ESP_OK);
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for (auto v: sector) {
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CHECK(v == 0xff);
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}
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}
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}
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TEST_CASE("invalid writes are checked", "[spi_flash_emu]")
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{
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SpiFlashEmulator emu(1);
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uint32_t val = 0;
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CHECK(spi_flash_write(0, &val, 4) == ESP_OK);
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val = 1;
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CHECK(spi_flash_write(0, &val, 4) == ESP_ERR_FLASH_OP_FAIL);
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}
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TEST_CASE("out of bounds writes fail", "[spi_flash_emu]")
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{
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SpiFlashEmulator emu(4);
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uint32_t vals[8];
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std::fill_n(vals, 8, 0);
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CHECK(spi_flash_write(0, vals, sizeof(vals)) == ESP_OK);
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CHECK(spi_flash_write(4*4096 - sizeof(vals), vals, sizeof(vals)) == ESP_OK);
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CHECK(spi_flash_write(4*4096 - sizeof(vals) + 4, vals, sizeof(vals)) == ESP_ERR_FLASH_OP_FAIL);
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}
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TEST_CASE("after erase the sector is set to 0xff", "[spi_flash_emu]")
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{
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SpiFlashEmulator emu(4);
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uint32_t val1 = 0xab00cd12;
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CHECK(spi_flash_write(0, &val1, sizeof(val1)) == ESP_OK);
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uint32_t val2 = 0x5678efab;
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CHECK(spi_flash_write(4096 - 4, &val2, sizeof(val2)) == ESP_OK);
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CHECK(emu.words()[0] == val1);
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CHECK(range_empty_n(emu.words() + 1, 4096 / 4 - 2));
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CHECK(emu.words()[4096 / 4 - 1] == val2);
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CHECK(spi_flash_erase_sector(0) == ESP_OK);
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CHECK(emu.words()[0] == 0xffffffff);
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CHECK(range_empty_n(emu.words() + 1, 4096 / 4 - 2));
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CHECK(emu.words()[4096 / 4 - 1] == 0xffffffff);
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}
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TEST_CASE("read/write/erase operation times are calculated correctly", "[spi_flash_emu]")
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{
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SpiFlashEmulator emu(1);
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uint8_t data[512];
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spi_flash_read(0, data, 4);
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CHECK(emu.getTotalTime() == 7);
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CHECK(emu.getReadOps() == 1);
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CHECK(emu.getReadBytes() == 4);
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emu.clearStats();
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spi_flash_read(0, data, 8);
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CHECK(emu.getTotalTime() == 5);
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CHECK(emu.getReadOps() == 1);
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CHECK(emu.getReadBytes() == 8);
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emu.clearStats();
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spi_flash_read(0, data, 16);
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CHECK(emu.getTotalTime() == 6);
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CHECK(emu.getReadOps() == 1);
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CHECK(emu.getReadBytes() == 16);
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emu.clearStats();
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spi_flash_read(0, data, 128);
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CHECK(emu.getTotalTime() == 18);
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CHECK(emu.getReadOps() == 1);
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CHECK(emu.getReadBytes() == 128);
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emu.clearStats();
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spi_flash_read(0, data, 256);
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CHECK(emu.getTotalTime() == 32);
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emu.clearStats();
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spi_flash_read(0, data, (128+256)/2);
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CHECK(emu.getTotalTime() == (18+32)/2);
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emu.clearStats();
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spi_flash_write(0, data, 4);
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CHECK(emu.getTotalTime() == 19);
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CHECK(emu.getWriteOps() == 1);
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CHECK(emu.getWriteBytes() == 4);
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emu.clearStats();
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CHECK(emu.getWriteOps() == 0);
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CHECK(emu.getWriteBytes() == 0);
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spi_flash_write(0, data, 8);
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CHECK(emu.getTotalTime() == 23);
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emu.clearStats();
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spi_flash_write(0, data, 16);
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CHECK(emu.getTotalTime() == 35);
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CHECK(emu.getWriteOps() == 1);
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CHECK(emu.getWriteBytes() == 16);
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emu.clearStats();
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spi_flash_write(0, data, 128);
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CHECK(emu.getTotalTime() == 205);
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emu.clearStats();
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spi_flash_write(0, data, 256);
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CHECK(emu.getTotalTime() == 417);
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emu.clearStats();
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spi_flash_write(0, data, (128+256)/2);
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CHECK(emu.getTotalTime() == (205+417)/2);
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emu.clearStats();
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spi_flash_erase_sector(0);
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CHECK(emu.getEraseOps() == 1);
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CHECK(emu.getTotalTime() == 37142);
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}
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TEST_CASE("data is randomized predictably", "[spi_flash_emu]")
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{
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SpiFlashEmulator emu1(3);
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emu1.randomize(0x12345678);
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SpiFlashEmulator emu2(3);
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emu2.randomize(0x12345678);
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CHECK(std::equal(emu1.bytes(), emu1.bytes() + emu1.size(), emu2.bytes()));
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}
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