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-rw-r--r--js/src/jit-test/tests/cacheir/add-dense-element.js124
1 files changed, 124 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/add-dense-element.js b/js/src/jit-test/tests/cacheir/add-dense-element.js
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index 0000000000..099e941648
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+++ b/js/src/jit-test/tests/cacheir/add-dense-element.js
@@ -0,0 +1,124 @@
+// Add dense elements to packed and non-packed arrays. Cover both mono- and
+// polymorphic call sites.
+
+function testAddDenseEmpty() {
+ var array = [];
+
+ function store(ar, index) {
+ ar[index] = index;
+ }
+
+ for (var i = 0; i < 10; ++i) {
+ store(array, i);
+ }
+
+ assertEq(array.length, 10);
+ for (var i = 0; i < 10; ++i) {
+ assertEq(array[i], i);
+ }
+}
+testAddDenseEmpty();
+
+function testAddDensePacked() {
+ var array = [0, 1];
+
+ function store(ar, index) {
+ ar[index] = index;
+ }
+
+ for (var i = 2; i < 10; ++i) {
+ store(array, i);
+ }
+
+ assertEq(array.length, 10);
+ for (var i = 0; i < 10; ++i) {
+ assertEq(array[i], i);
+ }
+}
+testAddDensePacked();
+
+function testAddDenseNonPacked() {
+ var array = [/* hole */, 1];
+
+ function store(ar, index) {
+ ar[index] = index;
+ }
+
+ for (var i = 2; i < 10; ++i) {
+ store(array, i);
+ }
+
+ assertEq(array.length, 10);
+ assertEq(0 in array, false);
+ for (var i = 1; i < 10; ++i) {
+ assertEq(array[i], i);
+ }
+}
+testAddDenseNonPacked();
+
+function testAddDenseEmptyPoly() {
+ var array = [];
+
+ function store(ar, index) {
+ ar[index] = index;
+ }
+
+ var objects = [array, {}];
+
+ for (var i = 0; i < 10; ++i) {
+ for (var j = 0; j < objects.length; ++j) {
+ store(objects[j], i);
+ }
+ }
+
+ assertEq(array.length, 10);
+ for (var i = 0; i < 10; ++i) {
+ assertEq(array[i], i);
+ }
+}
+testAddDenseEmptyPoly();
+
+function testAddDensePackedPoly() {
+ var array = [0, 1];
+
+ function store(ar, index) {
+ ar[index] = index;
+ }
+
+ var objects = [array, {}];
+
+ for (var i = 2; i < 10; ++i) {
+ for (var j = 0; j < objects.length; ++j) {
+ store(objects[j], i);
+ }
+ }
+
+ assertEq(array.length, 10);
+ for (var i = 0; i < 10; ++i) {
+ assertEq(array[i], i);
+ }
+}
+testAddDensePackedPoly();
+
+function testAddDenseNonPackedPoly() {
+ var array = [/* hole */, 1];
+
+ function store(ar, index) {
+ ar[index] = index;
+ }
+
+ var objects = [array, {}];
+
+ for (var i = 2; i < 10; ++i) {
+ for (var j = 0; j < objects.length; ++j) {
+ store(objects[j], i);
+ }
+ }
+
+ assertEq(array.length, 10);
+ assertEq(0 in array, false);
+ for (var i = 1; i < 10; ++i) {
+ assertEq(array[i], i);
+ }
+}
+testAddDenseNonPackedPoly();