commit b1c9c20eb270e54de95000d8923813c6a44fe467
author Christopher Ferris <cferris@google.com> Fri Jan 25 14:28:13 2019 -0800
committer Christopher Ferris <cferris@google.com> Fri Jan 25 14:31:37 2019 -0800
tree 13c5c78c2be318f372a2d94932df9374c66c07a2
parent 79f60a9bab8448d9f2f2953a329594a12642022f

Add GetPrintableBuildID().

The GetBuildID() function returns the raw build id data, so add a function
to get the printable hex version of the data.

Bug: 120606663

Test: New unit tests pass.
Change-Id: Ia5aefc97457efb08bbd30ea96cbb2d47ae59f954

libunwindstack/tests/MapInfoGetBuildIDTest.cpp

diff --git a/libunwindstack/tests/MapInfoGetBuildIDTest.cpp b/libunwindstack/tests/MapInfoGetBuildIDTest.cpp
index 3b89c59..ea9befc 100644
--- a/libunwindstack/tests/MapInfoGetBuildIDTest.cpp
+++ b/libunwindstack/tests/MapInfoGetBuildIDTest.cpp
@@ -67,6 +67,7 @@
   MapInfo info(nullptr, 0x1000, 0x2000, 0, PROT_READ, "");
 
   EXPECT_EQ("", info.GetBuildID());
+  EXPECT_EQ("", info.GetPrintableBuildID());
 }
 
 TEST_F(MapInfoGetBuildIDTest, from_elf) {
@@ -74,6 +75,7 @@
   elf_interface_->FakeSetBuildID("FAKE_BUILD_ID");
 
   EXPECT_EQ("FAKE_BUILD_ID", map_info_->GetBuildID());
+  EXPECT_EQ("46414b455f4255494c445f4944", map_info_->GetPrintableBuildID());
 }
 
 void MapInfoGetBuildIDTest::MultipleThreadTest(std::string expected_build_id) {
@@ -172,6 +174,7 @@
   InitElfData(tf_->fd);
 
   EXPECT_EQ("ELF_BUILDID", map_info_->GetBuildID());
+  EXPECT_EQ("454c465f4255494c444944", map_info_->GetPrintableBuildID());
 }
 
 TEST_F(MapInfoGetBuildIDTest, multiple_thread_elf_exists_in_memory) {