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-rw-r--r--reftable/basics_test.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/reftable/basics_test.c b/reftable/basics_test.c
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+++ b/reftable/basics_test.c
@@ -0,0 +1,98 @@
+/*
+Copyright 2020 Google LLC
+
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file or at
+https://developers.google.com/open-source/licenses/bsd
+*/
+
+#include "system.h"
+
+#include "basics.h"
+#include "test_framework.h"
+#include "reftable-tests.h"
+
+struct binsearch_args {
+ int key;
+ int *arr;
+};
+
+static int binsearch_func(size_t i, void *void_args)
+{
+ struct binsearch_args *args = void_args;
+
+ return args->key < args->arr[i];
+}
+
+static void test_binsearch(void)
+{
+ int arr[] = { 2, 4, 6, 8, 10 };
+ size_t sz = ARRAY_SIZE(arr);
+ struct binsearch_args args = {
+ .arr = arr,
+ };
+
+ int i = 0;
+ for (i = 1; i < 11; i++) {
+ int res;
+ args.key = i;
+ res = binsearch(sz, &binsearch_func, &args);
+
+ if (res < sz) {
+ EXPECT(args.key < arr[res]);
+ if (res > 0) {
+ EXPECT(args.key >= arr[res - 1]);
+ }
+ } else {
+ EXPECT(args.key == 10 || args.key == 11);
+ }
+ }
+}
+
+static void test_names_length(void)
+{
+ char *a[] = { "a", "b", NULL };
+ EXPECT(names_length(a) == 2);
+}
+
+static void test_parse_names_normal(void)
+{
+ char in[] = "a\nb\n";
+ char **out = NULL;
+ parse_names(in, strlen(in), &out);
+ EXPECT(!strcmp(out[0], "a"));
+ EXPECT(!strcmp(out[1], "b"));
+ EXPECT(!out[2]);
+ free_names(out);
+}
+
+static void test_parse_names_drop_empty(void)
+{
+ char in[] = "a\n\n";
+ char **out = NULL;
+ parse_names(in, strlen(in), &out);
+ EXPECT(!strcmp(out[0], "a"));
+ EXPECT(!out[1]);
+ free_names(out);
+}
+
+static void test_common_prefix(void)
+{
+ struct strbuf s1 = STRBUF_INIT;
+ struct strbuf s2 = STRBUF_INIT;
+ strbuf_addstr(&s1, "abcdef");
+ strbuf_addstr(&s2, "abc");
+ EXPECT(common_prefix_size(&s1, &s2) == 3);
+ strbuf_release(&s1);
+ strbuf_release(&s2);
+}
+
+int basics_test_main(int argc, const char *argv[])
+{
+ RUN_TEST(test_common_prefix);
+ RUN_TEST(test_parse_names_normal);
+ RUN_TEST(test_parse_names_drop_empty);
+ RUN_TEST(test_binsearch);
+ RUN_TEST(test_names_length);
+ return 0;
+}