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-rw-r--r--test/testutils.h123
1 files changed, 123 insertions, 0 deletions
diff --git a/test/testutils.h b/test/testutils.h
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+++ b/test/testutils.h
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+#ifndef test_testutils_h_
+#define test_testutils_h_
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifndef UNUSED
+#define UNUSED(x) ((x) = (x))
+#endif
+
+/* Redefine assert, so we can simply use the standard assert mechanism
+ * within testcases and exit with the right output for the testrunner
+ * to do the right thing. */
+void __assert2(const char *expr, const char *function,
+ const char *file, int line);
+
+void __assert2(const char *expr, const char *function,
+ const char *file, int line)
+{
+ UNUSED(function);
+ UNUSED(file);
+
+ printf("FAIL - %s at line %d\n", expr, line);
+
+ exit(EXIT_FAILURE);
+}
+
+#define assert(expr) \
+ ((void) ((expr) || (__assert2 (#expr, __func__, __FILE__, __LINE__), 0)))
+
+
+typedef bool (*line_func)(const char *data, size_t datalen, void *pw);
+
+static size_t parse_strlen(const char *str, size_t limit);
+bool parse_testfile(const char *filename, line_func callback, void *pw);
+size_t parse_filesize(const char *filename);
+
+/**
+ * Testcase datafile parser driver
+ *
+ * \param filename Name of file to parse
+ * \param callback Pointer to function to handle each line of input data
+ * \param pw Pointer to client-specific private data
+ * \return true on success, false otherwise.
+ */
+bool parse_testfile(const char *filename, line_func callback, void *pw)
+{
+ FILE *fp;
+ char buf[300];
+
+ fp = fopen(filename, "rb");
+ if (fp == NULL) {
+ printf("Failed opening %s\n", filename);
+ return false;
+ }
+
+ while (fgets(buf, sizeof buf, fp)) {
+ if (buf[0] == '\n')
+ continue;
+
+ if (!callback(buf, parse_strlen(buf, sizeof buf), pw)) {
+ fclose(fp);
+ return false;
+ }
+ }
+
+ fclose(fp);
+
+ return true;
+}
+
+/**
+ * Utility string length measurer; assumes strings are '\n' terminated
+ *
+ * \param str String to measure length of
+ * \param limit Upper bound on string length
+ * \return String length
+ */
+size_t parse_strlen(const char *str, size_t limit)
+{
+ size_t len = 0;
+
+ if (str == NULL)
+ return 0;
+
+ while (len < limit - 1 && *str != '\n') {
+ len++;
+ str++;
+ }
+
+ len++;
+
+ return len;
+}
+
+/**
+ * Read the size of a file
+ *
+ * \param filename Name of file to read size of
+ * \return File size (in bytes), or 0 on error
+ */
+size_t parse_filesize(const char *filename)
+{
+ FILE *fp;
+ size_t len = 0;
+
+ fp = fopen(filename, "rb");
+ if (fp == NULL) {
+ printf("Failed opening %s\n", filename);
+ return 0;
+ }
+
+ fseek(fp, 0, SEEK_END);
+ len = ftell(fp);
+
+ fclose(fp);
+
+ return len;
+}
+
+
+#endif