1 files changed, 72 insertions, 0 deletions
diff --git a/third_party/rust/cubeb-sys/libcubeb/test/test_utils.cpp b/third_party/rust/cubeb-sys/libcubeb/test/test_utils.cpp
new file mode 100644
index 0000000000..cbdb960984
--- /dev/null
+++ b/third_party/rust/cubeb-sys/libcubeb/test/test_utils.cpp
@@ -0,0 +1,72 @@
+#include "gtest/gtest.h"
+#include "cubeb_utils.h"
+
+TEST(cubeb, auto_array)
+{
+  auto_array<uint32_t> array;
+  auto_array<uint32_t> array2(10);
+  uint32_t a[10];
+
+  ASSERT_EQ(array2.length(), 0u);
+  ASSERT_EQ(array2.capacity(), 10u);
+
+
+  for (uint32_t i = 0; i < 10; i++) {
+    a[i] = i;
+  }
+
+  ASSERT_EQ(array.capacity(), 0u);
+  ASSERT_EQ(array.length(), 0u);
+
+  array.push(a, 10);
+
+  ASSERT_TRUE(!array.reserve(9));
+
+  for (uint32_t i = 0; i < 10; i++) {
+    ASSERT_EQ(array.data()[i], i);
+  }
+
+  ASSERT_EQ(array.capacity(), 10u);
+  ASSERT_EQ(array.length(), 10u);
+
+  uint32_t b[10];
+
+  array.pop(b, 5);
+
+  ASSERT_EQ(array.capacity(), 10u);
+  ASSERT_EQ(array.length(), 5u);
+  for (uint32_t i = 0; i < 5; i++) {
+    ASSERT_EQ(b[i], i);
+    ASSERT_EQ(array.data()[i], 5 + i);
+  }
+  uint32_t* bb = b + 5;
+  array.pop(bb, 5);
+
+  ASSERT_EQ(array.capacity(), 10u);
+  ASSERT_EQ(array.length(), 0u);
+  for (uint32_t i = 0; i < 5; i++) {
+    ASSERT_EQ(bb[i], 5 + i);
+  }
+
+  ASSERT_TRUE(!array.pop(nullptr, 1));
+
+  array.push(a, 10);
+  array.push(a, 10);
+
+  for (uint32_t j = 0; j < 2; j++) {
+    for (uint32_t i = 0; i < 10; i++) {
+      ASSERT_EQ(array.data()[10 * j + i], i);
+    }
+  }
+  ASSERT_EQ(array.length(), 20u);
+  ASSERT_EQ(array.capacity(), 20u);
+  array.pop(nullptr, 5);
+
+  for (uint32_t i = 0; i < 5; i++) {
+    ASSERT_EQ(array.data()[i], 5 + i);
+  }
+
+  ASSERT_EQ(array.length(), 15u);
+  ASSERT_EQ(array.capacity(), 20u);
+}
+