1 files changed, 123 insertions, 0 deletions
diff --git a/test/log.c b/test/log.c
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index 0000000..384fabc
--- /dev/null
+++ b/test/log.c
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+/*
+ * Copyright © 2012 Ran Benita <ran234@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include "test.h"
+#include "context.h"
+
+#ifdef __GNUC__
+#pragma GCC diagnostic ignored "-Wmissing-format-attribute"
+#endif
+
+static const char *
+log_level_to_string(enum xkb_log_level level)
+{
+    switch (level) {
+    case XKB_LOG_LEVEL_CRITICAL:
+        return "critical";
+    case XKB_LOG_LEVEL_ERROR:
+        return "error";
+    case XKB_LOG_LEVEL_WARNING:
+        return "warning";
+    case XKB_LOG_LEVEL_INFO:
+        return "info";
+    case XKB_LOG_LEVEL_DEBUG:
+        return "debug";
+    }
+
+    return "unknown";
+}
+
+ATTR_PRINTF(3, 0) static void
+log_fn(struct xkb_context *ctx, enum xkb_log_level level,
+       const char *fmt, va_list args)
+{
+    char *s;
+    int size;
+    darray_char *ls = xkb_context_get_user_data(ctx);
+    assert(ls);
+
+    size = vasprintf(&s, fmt, args);
+    assert(size != -1);
+
+    darray_append_string(*ls, log_level_to_string(level));
+    darray_append_lit(*ls, ": ");
+    darray_append_string(*ls, s);
+    free(s);
+}
+
+int
+main(void)
+{
+    darray_char log_string;
+    struct xkb_context *ctx;
+    int ret;
+
+    ret = setenv("XKB_LOG_LEVEL", "warn", 1);
+    assert(ret == 0);
+    ret = setenv("XKB_LOG_VERBOSITY", "5", 1);
+    assert(ret == 0);
+    ctx = test_get_context(0);
+    assert(ctx);
+
+    darray_init(log_string);
+    xkb_context_set_user_data(ctx, &log_string);
+    xkb_context_set_log_fn(ctx, log_fn);
+
+    log_warn(ctx, "first warning: %d\n", 87);
+    log_info(ctx, "first info\n");
+    log_dbg(ctx, "first debug: %s\n", "hello");
+    log_err(ctx, "first error: %lu\n", 115415UL);
+    log_vrb(ctx, 5, "first verbose 5\n");
+
+    xkb_context_set_log_level(ctx, XKB_LOG_LEVEL_DEBUG);
+    log_warn(ctx, "second warning: %d\n", 87);
+    log_dbg(ctx, "second debug: %s %s\n", "hello", "world");
+    log_info(ctx, "second info\n");
+    log_err(ctx, "second error: %lu\n", 115415UL);
+    log_vrb(ctx, 6, "second verbose 6\n");
+
+    xkb_context_set_log_verbosity(ctx, 0);
+    xkb_context_set_log_level(ctx, XKB_LOG_LEVEL_CRITICAL);
+    log_warn(ctx, "third warning: %d\n", 87);
+    log_dbg(ctx, "third debug: %s %s\n", "hello", "world");
+    log_info(ctx, "third info\n");
+    log_err(ctx, "third error: %lu\n", 115415UL);
+    log_vrb(ctx, 0, "third verbose 0\n");
+
+    printf("%s", log_string.item);
+
+    assert(streq(log_string.item,
+                 "warning: first warning: 87\n"
+                 "error: first error: 115415\n"
+                 "warning: first verbose 5\n"
+                 "warning: second warning: 87\n"
+                 "debug: second debug: hello world\n"
+                 "info: second info\n"
+                 "error: second error: 115415\n"));
+
+    xkb_context_unref(ctx);
+    darray_free(log_string);
+    return 0;
+}