commit 44828cecf86354ca3a18dfca8d0d5c110c86da48
author Dominik Laskowski <domlaskowski@google.com> Mon Sep 13 11:00:22 2021 -0700
committer Dominik Laskowski <domlaskowski@google.com> Sun Sep 26 19:31:26 2021 -0700
tree 55d7c0e3a5cdb8421a213ac89a8e7e27d97f3aaa
parent 4eecba7daea5100d69bf8c2d3efbbba222dc8cf5

FTL: Add clear() to containers

Bug: 185536303
Test: ftl_test
Change-Id: Icc13d1dcfdc006fd26a418e4904e5d2ce12724dd

libs/ftl/small_map_test.cpp

diff --git a/libs/ftl/small_map_test.cpp b/libs/ftl/small_map_test.cpp
index 2e81022..c292108 100644
--- a/libs/ftl/small_map_test.cpp
+++ b/libs/ftl/small_map_test.cpp
@@ -345,4 +345,21 @@
   }
 }
 
+TEST(SmallMap, Clear) {
+  SmallMap map = ftl::init::map(1, '1')(2, '2')(3, '3');
+
+  map.clear();
+
+  EXPECT_TRUE(map.empty());
+  EXPECT_FALSE(map.dynamic());
+
+  map = ftl::init::map(1, '1')(2, '2')(3, '3');
+  map.try_emplace(4, '4');
+
+  map.clear();
+
+  EXPECT_TRUE(map.empty());
+  EXPECT_TRUE(map.dynamic());
+}
+
 }  // namespace android::test

libs/ftl/small_vector_test.cpp

diff --git a/libs/ftl/small_vector_test.cpp b/libs/ftl/small_vector_test.cpp
index 3a03e69..4237496 100644
--- a/libs/ftl/small_vector_test.cpp
+++ b/libs/ftl/small_vector_test.cpp
@@ -460,4 +460,34 @@
   EXPECT_EQ(0, dead);
 }
 
+TEST(SmallVector, Clear) {
+  int live = 0;
+  int dead = 0;
+
+  SmallVector<DestroyCounts, 2> counts;
+  counts.emplace_back(live, dead);
+  counts.emplace_back(live, dead);
+
+  counts.clear();
+
+  EXPECT_TRUE(counts.empty());
+  EXPECT_FALSE(counts.dynamic());
+
+  EXPECT_EQ(2, live);
+  EXPECT_EQ(0, dead);
+
+  live = 0;
+  counts.emplace_back(live, dead);
+  counts.emplace_back(live, dead);
+  counts.emplace_back(live, dead);
+
+  counts.clear();
+
+  EXPECT_TRUE(counts.empty());
+  EXPECT_TRUE(counts.dynamic());
+
+  EXPECT_EQ(3, live);
+  EXPECT_EQ(2, dead);
+}
+
 }  // namespace android::test

libs/ftl/static_vector_test.cpp

diff --git a/libs/ftl/static_vector_test.cpp b/libs/ftl/static_vector_test.cpp
index cbe8dff..2de3ad2 100644
--- a/libs/ftl/static_vector_test.cpp
+++ b/libs/ftl/static_vector_test.cpp
@@ -396,4 +396,19 @@
   EXPECT_EQ(0, dead);
 }
 
+TEST(StaticVector, Clear) {
+  int live = 0;
+  int dead = 0;
+
+  StaticVector<DestroyCounts, 5> counts;
+  counts.emplace_back(live, dead);
+  counts.emplace_back(live, dead);
+
+  counts.clear();
+
+  EXPECT_TRUE(counts.empty());
+  EXPECT_EQ(2, live);
+  EXPECT_EQ(0, dead);
+}
+
 }  // namespace android::test