1 files changed, 155 insertions, 0 deletions
diff --git a/dirent/tests/t-cplusplus.cpp b/dirent/tests/t-cplusplus.cpp
new file mode 100644
index 0000000..8a8bad4
--- /dev/null
+++ b/dirent/tests/t-cplusplus.cpp
@@ -0,0 +1,155 @@
+/*
+ * Test program to make sure that dirent compiles cleanly with C++
+ *
+ * Copyright (C) 1998-2019 Toni Ronkko
+ * This file is part of dirent.  Dirent may be freely distributed
+ * under the MIT license.  For all details and documentation, see
+ * https://github.com/tronkko/dirent
+ */
+#include <iostream>
+#include <string.h>
+#include <dirent.h>
+#include <assert.h>
+using namespace std;
+
+/* Filter and sort functions */
+static int only_readme(const struct dirent *entry);
+static void test_retrieval(void);
+static void test_scan(void);
+
+int
+main(int argc, char *argv[])
+{
+	(void) argc;
+	(void) argv;
+
+	test_retrieval();
+	test_scan();
+
+	cout << "OK" << endl;
+	return EXIT_SUCCESS;
+}
+
+/* Test basic directory retrieval */
+static void
+test_retrieval(void)
+{
+	/* Open directory */
+	DIR *dir = opendir("tests/1");
+	if (dir == NULL) {
+		cerr << "Directory tests/1 not found" << endl;
+		abort();
+	}
+
+	/* Read directory entries */
+	struct dirent *ent;
+	int found = 0;
+	while ((ent = readdir(dir)) != NULL) {
+		/* Check each file */
+		if (strcmp(ent->d_name, ".") == 0) {
+			/* Directory itself */
+#ifdef _DIRENT_HAVE_D_TYPE
+			assert(ent->d_type == DT_DIR);
+#endif
+#ifdef _DIRENT_HAVE_D_NAMLEN
+			assert(ent->d_namlen == 1);
+#endif
+#ifdef _D_EXACT_NAMLEN
+			assert(_D_EXACT_NAMLEN(ent) == 1);
+#endif
+#ifdef _D_ALLOC_NAMLEN
+			assert(_D_ALLOC_NAMLEN(ent) > 1);
+#endif
+			found += 1;
+		} else if (strcmp(ent->d_name, "..") == 0) {
+			/* Parent directory */
+#ifdef _DIRENT_HAVE_D_TYPE
+			assert(ent->d_type == DT_DIR);
+#endif
+#ifdef _DIRENT_HAVE_D_NAMLEN
+			assert(ent->d_namlen == 2);
+#endif
+#ifdef _D_EXACT_NAMLEN
+			assert(_D_EXACT_NAMLEN(ent) == 2);
+#endif
+#ifdef _D_ALLOC_NAMLEN
+			assert(_D_ALLOC_NAMLEN(ent) > 2);
+#endif
+			found += 2;
+		} else if (strcmp(ent->d_name, "file") == 0) {
+			/* Regular file */
+#ifdef _DIRENT_HAVE_D_TYPE
+			assert(ent->d_type == DT_REG);
+#endif
+#ifdef _DIRENT_HAVE_D_NAMLEN
+			assert(ent->d_namlen == 4);
+#endif
+#ifdef _D_EXACT_NAMLEN
+			assert(_D_EXACT_NAMLEN(ent) == 4);
+#endif
+#ifdef _D_ALLOC_NAMLEN
+			assert(_D_ALLOC_NAMLEN(ent) > 4);
+#endif
+			found += 4;
+		} else if (strcmp(ent->d_name, "dir") == 0) {
+			/* Just a directory */
+#ifdef _DIRENT_HAVE_D_TYPE
+			assert(ent->d_type == DT_DIR);
+#endif
+#ifdef _DIRENT_HAVE_D_NAMLEN
+			assert(ent->d_namlen == 3);
+#endif
+#ifdef _D_EXACT_NAMLEN
+			assert(_D_EXACT_NAMLEN(ent) == 3);
+#endif
+#ifdef _D_ALLOC_NAMLEN
+			assert(_D_ALLOC_NAMLEN(ent) > 3);
+#endif
+			found += 8;
+		} else {
+			/* Other file */
+			cerr << "Unexpected file " << ent->d_name << endl;
+			abort();
+		}
+	}
+
+	/* Make sure that all files were found */
+	assert(found == 0xf);
+
+	closedir(dir);
+}
+
+/* Text basic scan with simple filter function */
+static void
+test_scan(void)
+{
+	struct dirent **files;
+
+	/* Read directory entries */
+	int n = scandir("tests/3", &files, only_readme, alphasort);
+	assert(n == 1);
+
+	/* Make sure that the filter works */
+	assert(strcmp(files[0]->d_name, "README.txt") == 0);
+
+	/* Release file names */
+	for (int i = 0; i < n; i++) {
+		free(files[i]);
+	}
+	free(files);
+}
+
+/* Only pass README.txt file */
+static int
+only_readme(const struct dirent *entry)
+{
+	int pass;
+
+	if (strcmp (entry->d_name, "README.txt") == 0) {
+		pass = 1;
+	} else {
+		pass = 0;
+	}
+
+	return pass;
+}