[base] Make MappedFile work with OS file handles
adb uses its own implementation of Windows HANDLE->int mapping,
and it doesn't play well with _get_osfhandle() function used in
MappedFile::FromFd().
This CL adds another function that accepts raw handle, so adb
can pass it directly
+ make constant functions 'const'
+ make the MappedFile movable, as nothing prevents it from being
one
Test: libbase_test
Change-Id: Ifde4a4094b910e9c7b431126ecf3fef5aa3bb4a6
diff --git a/mapped_file_test.cpp b/mapped_file_test.cpp
index cfde73c..3629108 100644
--- a/mapped_file_test.cpp
+++ b/mapped_file_test.cpp
@@ -44,5 +44,8 @@
ASSERT_TRUE(tf.fd != -1);
auto m = android::base::MappedFile::FromFd(tf.fd, 4096, 0, PROT_READ);
- ASSERT_EQ(0u, m->size());
+ ASSERT_NE(nullptr, m);
+ EXPECT_TRUE((bool)*m);
+ EXPECT_EQ(0u, m->size());
+ EXPECT_NE(nullptr, m->data());
}