1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/gdb/tests/test-ExecutableAllocator.cpp b/js/src/gdb/tests/test-ExecutableAllocator.cpp
new file mode 100644
index 0000000000..2a2ae1cf63
--- /dev/null
+++ b/js/src/gdb/tests/test-ExecutableAllocator.cpp
@@ -0,0 +1,49 @@
+#include "gdb-tests.h"
+
+#include "jit/ExecutableAllocator.h"
+#include "vm/JSContext.h"
+
+FRAGMENT(ExecutableAllocator, empty) {
+  using namespace js::jit;
+  ExecutableAllocator execAlloc;
+
+  breakpoint();
+
+  use(execAlloc);
+}
+
+FRAGMENT(ExecutableAllocator, onepool) {
+  using namespace js::jit;
+  ExecutablePool* pool = nullptr;
+  ExecutableAllocator execAlloc;
+  execAlloc.alloc(cx, 16 * 1024, &pool, CodeKind::Baseline);
+
+  breakpoint();
+
+  use(pool);
+  use(execAlloc);
+}
+
+FRAGMENT(ExecutableAllocator, twopools) {
+  using namespace js::jit;
+  const size_t INIT_ALLOC_SIZE = 16 * 1024;
+  const size_t ALLOC_SIZE = 32 * 1024;
+  ExecutablePool* init = nullptr;
+  ExecutablePool* pool = nullptr;
+  ExecutableAllocator execAlloc;
+  size_t allocated = 0;
+
+  execAlloc.alloc(cx, INIT_ALLOC_SIZE, &init, CodeKind::Baseline);
+
+  do {  // Keep allocating until we get a second pool.
+    execAlloc.alloc(cx, ALLOC_SIZE, &pool, CodeKind::Ion);
+    allocated += ALLOC_SIZE;
+  } while (pool == init);
+
+  breakpoint();
+
+  use(execAlloc);
+  init->release(INIT_ALLOC_SIZE, CodeKind::Baseline);
+  init->release(allocated - ALLOC_SIZE, CodeKind::Ion);
+  pool->release(ALLOC_SIZE, CodeKind::Ion);
+}