Merge pull request #5568 from gebart/haukepetersen-fix_test_printffloat

tests: moved printf_float test to unittests [adopted]

tests/printf_float/Makefile

@@ -1,6 +0,0 @@
-APPLICATION = test_printf_float
-include ../Makefile.tests_common
-
-USEMODULE += printf_float
-
-include $(RIOTBASE)/Makefile.include

tests/printf_float/main.c

@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2016 Alexandre Abadie <alexandre.abadie@inria.fr>
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @ingroup     tests
- * @{
- *
- * @file
- * @brief       print floating point values test application
- *
- * This test is supposed to check that floating point values can be
- * displayed with printf function.
- *
- * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
- *
- * @}
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
-
-static const char * expected_result = "2016.0";
-static const double floating_point_value = 2016.0317;
-
-int main(void)
-{
-    const uint8_t str_len = strlen(expected_result);
-    char result[str_len];
-    snprintf(result, str_len + 1,
-             "%.1f", floating_point_value);
-
-    printf("Value displayed: %s\n", result);
-
-    if (strcmp(result, expected_result) == 0) {
-        printf("[OK]\n");
-    }
-    else {
-        printf("[FAILED] Values are not equal:\n"
-               "actual: %s\n"
-               "expected: %s\n", result, expected_result);
-        return 1;
-    }
-
-    return 0;
-}

tests/unittests/tests-printf_float/Makefile

@@ -0,0 +1 @@
+include $(RIOTBASE)/Makefile.base

tests/unittests/tests-printf_float/Makefile.include

@@ -0,0 +1 @@
+USEMODULE += printf_float

tests/unittests/tests-printf_float/tests-printf_float.c

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2016 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @addtogroup  unittests
+ * @{
+ *
+ * @file
+ * @brief       Implementations of unit tests for printing floating point numbers
+ *
+ * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
+ * @}
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "embUnit/embUnit.h"
+
+#include "tests-printf_float.h"
+
+#define BUFSIZE             (10)
+
+static const double in0 = 2016.0349;
+static const double in1 = 123.4567;
+static const double in2 = 0.0;
+
+static void sfprintf_float(void)
+{
+    char tmp[BUFSIZE];
+    char *str = tmp;
+
+    snprintf(str, BUFSIZE, "%f", in0);
+    TEST_ASSERT_EQUAL_STRING("2016.0349", str);
+
+    snprintf(str, BUFSIZE, "%.2f", in0);
+    TEST_ASSERT_EQUAL_STRING("2016.03", str);
+
+    snprintf(str, BUFSIZE, "%.f", in0);
+    TEST_ASSERT_EQUAL_STRING("2016", str);
+
+    snprintf(str, BUFSIZE, "%.4f", in1);
+    TEST_ASSERT_EQUAL_STRING("123.4567", str);
+
+    snprintf(str, BUFSIZE, "%.2f", in1);
+    TEST_ASSERT_EQUAL_STRING("123.46", str);
+
+    snprintf(str, BUFSIZE, "%4.f", in2);
+    TEST_ASSERT_EQUAL_STRING("   0", str);
+
+    snprintf(str, BUFSIZE, "%.3f", in2);
+    TEST_ASSERT_EQUAL_STRING("0.000", str);
+
+    snprintf(str, BUFSIZE, "%2.04f", in2);
+    TEST_ASSERT_EQUAL_STRING("0.0000", str);
+}
+
+Test *tests_printf_float_tests(void)
+{
+    EMB_UNIT_TESTFIXTURES(fixtures) {
+        new_TestFixture(sfprintf_float)
+    };
+
+    EMB_UNIT_TESTCALLER(pkt_tests, NULL, NULL, fixtures);
+
+    return (Test *)&pkt_tests;
+}
+
+void tests_printf_float(void)
+{
+    TESTS_RUN(tests_printf_float_tests());
+}

tests/unittests/tests-printf_float/tests-printf_float.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2016 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @addtogroup  unittests
+ * @{
+ *
+ * @file
+ * @brief       Unit tests for printing floating point numbers
+ *
+ * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
+ */
+
+#ifndef TESTS_PRINTF_FLOAT_H_
+#define TESTS_PRINTF_FLOAT_H_
+
+#include "embUnit.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   The entry point of this test suite
+ */
+void tests_printf_float(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* TESTS_PRINTF_FLOAT_H_ */
+/** @} */