Add m-esr52 at 52.6.0

1 files changed, 24 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/basic/track-allocation-sites.js b/js/src/jit-test/tests/basic/track-allocation-sites.js
new file mode 100644
index 000000000..fb329b700
--- /dev/null
+++ b/js/src/jit-test/tests/basic/track-allocation-sites.js
@@ -0,0 +1,24 @@
+// Test that we can track allocation sites.
+
+enableTrackAllocations();
+
+const tests = [
+  { name: "object literal",  object: {},                    line: Error().lineNumber },
+  { name: "array literal",   object: [],                    line: Error().lineNumber },
+  { name: "regexp literal",  object: /(two|2)\s*problems/,  line: Error().lineNumber },
+  { name: "new constructor", object: new function Ctor(){}, line: Error().lineNumber },
+  { name: "new Object",      object: new Object(),          line: Error().lineNumber },
+  { name: "new Array",       object: new Array(),           line: Error().lineNumber },
+  { name: "new Date",        object: new Date(),            line: Error().lineNumber }
+];
+
+disableTrackAllocations();
+
+for (let { name, object, line } of tests) {
+  print("Entering test: " + name);
+
+  let allocationSite = getAllocationMetadata(object);
+  print(allocationSite);
+
+  assertEq(allocationSite.line, line);
+}