1 files changed, 116 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/map-get-nongcthing.js b/js/src/jit-test/tests/cacheir/map-get-nongcthing.js
new file mode 100644
index 0000000000..9e36c6b871
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/map-get-nongcthing.js
@@ -0,0 +1,116 @@
+// Return a new map, possibly filling some dummy entries to enforce creating
+// multiple hash buckets.
+function createMap(values, n) {
+  var xs = [...values];
+  for (var i = 0; i < n; ++i) {
+    xs.push({});
+  }
+  return new Map(xs.map((x, i) => [x, i + 1]));
+}
+
+function runTest(fn) {
+  fn(0);
+  fn(100);
+}
+
+function testInt32(n) {
+  var xs = [1, 2];
+  var ys = [3, 4];
+  var zs = [...xs, ...ys];
+  var map = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    var v = map.get(z);
+    if (v !== undefined) c += v;
+  }
+  assertEq(c, N / 2 + N / 4);
+}
+runTest(testInt32);
+
+function testDouble(n) {
+  var xs = [Math.PI, Infinity];
+  var ys = [Math.E, -Infinity];
+  var zs = [...xs, ...ys];
+  var map = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    var v = map.get(z);
+    if (v !== undefined) c += v;
+  }
+  assertEq(c, N / 2 + N / 4);
+}
+runTest(testDouble);
+
+function testZero(n) {
+  var xs = [0, -0];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map = createMap([0], n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    var v = map.get(z);
+    if (v !== undefined) c += v;
+  }
+  assertEq(c, N / 2);
+}
+runTest(testZero);
+
+function testNaN(n) {
+  var xs = [NaN, -NaN];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map = createMap([NaN], n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    var v = map.get(z);
+    if (v !== undefined) c += v;
+  }
+  assertEq(c, N / 2);
+}
+runTest(testNaN);
+
+function testUndefinedAndNull(n) {
+  var xs = [undefined, null];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    var v = map.get(z);
+    if (v !== undefined) c += v;
+  }
+  assertEq(c, N / 2 + N / 4);
+}
+runTest(testUndefinedAndNull);
+
+function testBoolean(n) {
+  var xs = [true, false];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    var v = map.get(z);
+    if (v !== undefined) c += v;
+  }
+  assertEq(c, N / 2 + N / 4);
+}
+runTest(testBoolean);