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authorElliott Hughes <enh@google.com>2013-02-13 14:35:14 -0800
committerElliott Hughes <enh@google.com>2013-02-13 14:40:48 -0800
commit73964c592c8d23901e9479893dfbd3d0f25bab04 (patch)
treedd7c786e0c3011cfcb26a4a8ea45519a6283b404 /tests
parent627274292edf1d051dd939a0b14b69d3fcb84742 (diff)
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Everyone has CLZ.
Even armv5 had CLZ. Change-Id: I51bc8d1166d09940fd0d3f4c7717edf26977082c
Diffstat (limited to 'tests')
-rw-r--r--tests/Android.mk1
-rw-r--r--tests/strings_test.cpp32
2 files changed, 33 insertions, 0 deletions
diff --git a/tests/Android.mk b/tests/Android.mk
index eb97e6c..da9d676 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -71,6 +71,7 @@ test_src_files = \
stdio_test.cpp \
stdlib_test.cpp \
string_test.cpp \
+ strings_test.cpp \
stubs_test.cpp \
unistd_test.cpp \
diff --git a/tests/strings_test.cpp b/tests/strings_test.cpp
new file mode 100644
index 0000000..5200859
--- /dev/null
+++ b/tests/strings_test.cpp
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include <errno.h>
+#include <strings.h>
+
+TEST(strings, ffs) {
+ ASSERT_EQ( 0, ffs(0x00000000));
+ ASSERT_EQ( 1, ffs(0x00000001));
+ ASSERT_EQ( 6, ffs(0x00000020));
+ ASSERT_EQ(11, ffs(0x00000400));
+ ASSERT_EQ(16, ffs(0x00008000));
+ ASSERT_EQ(17, ffs(0x00010000));
+ ASSERT_EQ(22, ffs(0x00200000));
+ ASSERT_EQ(27, ffs(0x04000000));
+ ASSERT_EQ(32, ffs(0x80000000));
+}