mirror of
https://github.com/espressif/esp-idf.git
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125 lines
3.9 KiB
C
125 lines
3.9 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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//
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "unity.h"
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#include "rom/uart.h"
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#include "soc/uart_struct.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "sdkconfig.h"
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static void fwrite_str_loopback(const char* str, size_t size)
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{
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uart_tx_wait_idle(CONFIG_CONSOLE_UART_NUM);
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UART0.conf0.loopback = 1;
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fwrite(str, 1, size, stdout);
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fflush(stdout);
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uart_tx_wait_idle(CONFIG_CONSOLE_UART_NUM);
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vTaskDelay(2 / portTICK_PERIOD_MS);
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UART0.conf0.loopback = 0;
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}
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static void flush_stdin_stdout()
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{
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vTaskDelay(10 / portTICK_PERIOD_MS);
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char *bitbucket = (char*) 0x3f000000;
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while (fread(bitbucket, 1, 128, stdin) > 0) {
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;
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}
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fflush(stdout);
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uart_tx_wait_idle(CONFIG_CONSOLE_UART_NUM);
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}
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TEST_CASE("can read from stdin", "[vfs]")
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{
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flush_stdin_stdout();
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const size_t count = 12;
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srand(count);
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char* data = (char*) calloc(1, count * 8 + 1);
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char* buf = (char*) calloc(1, count * 8 + 1);
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char* p = data;
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for (size_t i = 0; i < count; ++i) {
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p += sprintf(p, "%08x", rand());
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}
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p += sprintf(p, "\n");
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size_t len = p - data;
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fwrite_str_loopback(data, len);
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size_t cb = fread(buf, 1, len, stdin);
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TEST_ASSERT_EQUAL(len, cb);
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TEST_ASSERT_EQUAL_UINT8_ARRAY(data, buf, len);
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}
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#if CONFIG_NEWLIB_STDOUT_ADDCR
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TEST_CASE("CRs are removed from the stdin correctly", "[vfs]")
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{
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flush_stdin_stdout();
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const char* send_str = "1234567890\n\r123\r\n4\n";
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/* with CONFIG_NEWLIB_STDOUT_ADDCR, the following will be sent on the wire.
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* (last character of each part is marked with a hat)
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*
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* 1234567890\r\n\r123\r\r\n4\r\n
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* ^ ^^ ^
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*/
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char buf[128];
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char* dst = buf;
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fwrite_str_loopback(send_str, 11); // send up to the first \n
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size_t rb = fread(dst, 1, 5, stdin); // read first 5
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TEST_ASSERT_EQUAL(5, rb);
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dst += rb;
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rb = fread(dst, 1, 6, stdin); // ask for 6
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TEST_ASSERT_EQUAL(6, rb); // get 6
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TEST_ASSERT_EQUAL_UINT8_ARRAY("1234567890\n", buf, 11);
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dst += rb;
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rb = fread(dst, 1, 2, stdin); // any more characters?
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TEST_ASSERT_EQUAL(0, rb); // nothing
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fwrite_str_loopback(send_str + 11, 1); // send the '\r'
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vTaskDelay(10 / portTICK_PERIOD_MS);
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rb = fread(dst, 1, 2, stdin); // try to get somthing
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TEST_ASSERT_EQUAL(0, rb); // still nothing (\r is buffered)
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fwrite_str_loopback(send_str + 12, 1); // Now send the '1'
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vTaskDelay(10 / portTICK_PERIOD_MS);
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rb = fread(dst, 1, 2, stdin); // try again
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TEST_ASSERT_EQUAL(2, rb); // get two characters
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TEST_ASSERT_EQUAL_UINT8_ARRAY("\r1", dst, 2);
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dst += rb;
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fwrite_str_loopback(send_str + 13, 6); // Send the rest
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vTaskDelay(10 / portTICK_PERIOD_MS);
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rb = fread(dst, 1, 4, stdin); // consume "23\r\n"
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TEST_ASSERT_EQUAL(4, rb);
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TEST_ASSERT_EQUAL_UINT8_ARRAY("23\r\n", dst, 4);
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dst += rb;
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rb = fread(dst, 1, 4, stdin); // ask for more than the remainder
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TEST_ASSERT_EQUAL(2, rb);
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TEST_ASSERT_EQUAL_UINT8_ARRAY("4\n", dst, 2);
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}
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#endif //CONFIG_NEWLIB_STDOUT_ADDCR
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