virstringtest: Introduce a test for virSkipSpacesBackwards()

The signature and implementation of virSkipSpacesBackwards() is
soon about to change. Introduce a test case to make sure its
behaviour stays the same.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Jaroslav Suchanek <jsuchane@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

diff --git a/tests/virstringtest.c b/tests/virstringtest.c
index f4976890dbeb9f1d2af04fedc5dcbc22d93ad5f8..a9c8e621ceb0980ecde176566ecca628c5fed2f2 100644 (file)
--- a/tests/virstringtest.c
+++ b/tests/virstringtest.c
@@ -111,6 +111,51 @@ testStringSortCompare(const void *opaque G_GNUC_UNUSED)
 }
 
 
+#define TEST_STR "This is a static string with spaces"
+#define TEST_SPACES "   "
+
+static int
+testSkipSpacesBackwards(const void *opaque G_GNUC_UNUSED)
+{
+    const char *str = TEST_STR TEST_SPACES;
+    char *eol = NULL;
+
+    virSkipSpacesBackwards(str, &eol);
+
+    if (STRNEQ(str, TEST_STR TEST_SPACES)) {
+        fprintf(stderr, "expected '" TEST_STR TEST_SPACES "' got '%s'\n", str);
+        return -1;
+    }
+
+    while (g_ascii_isspace(*eol))
+        eol++;
+
+    if (*eol != '\0') {
+        fprintf(stderr, "expected empty string, got '%s'\n", eol);
+        return -1;
+    }
+
+    eol = (char *)str + strlen(TEST_STR);
+
+    virSkipSpacesBackwards(str, &eol);
+
+    if (STRNEQ(str, TEST_STR TEST_SPACES)) {
+        fprintf(stderr, "expected '" TEST_STR TEST_SPACES "' got '%s'\n", str);
+        return -1;
+    }
+
+    if (STRNEQ(eol, TEST_SPACES)) {
+        fprintf(stderr, "expected empty string, got '%s'\n", eol);
+        return -1;
+    }
+
+    return 0;
+}
+
+#undef TEST_SPACES
+#undef TEST_STR
+
+
 struct stringSearchData {
     const char *str;
     const char *regexp;
@@ -463,6 +508,9 @@ mymain(void)
     if (virTestRun("virStringSortCompare", testStringSortCompare, NULL) < 0)
         ret = -1;
 
+    if (virTestRun("virSkipSpacesBackwards", testSkipSpacesBackwards, NULL) < 0)
+        ret = -1;
+
 #define TEST_SEARCH(s, r, x, n, m, e) \
     do { \
         struct stringSearchData data = { \