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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/cacheir/map-get-string.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/cacheir/map-get-string.js')
-rw-r--r--js/src/jit-test/tests/cacheir/map-get-string.js83
1 files changed, 83 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/map-get-string.js b/js/src/jit-test/tests/cacheir/map-get-string.js
new file mode 100644
index 0000000000..1a25d09fd3
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/map-get-string.js
@@ -0,0 +1,83 @@
+// 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 testConstant(n) {
+ var xs = ["a", "b"];
+ var ys = ["c", "d"];
+ 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(testConstant);
+
+function testConstantFatInline(n) {
+ var xs = ["a", "b"].map(s => s.repeat(10));
+ var ys = ["c", "d"].map(s => s.repeat(10));
+ 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(testConstantFatInline);
+
+function testComputed(n) {
+ var xs = ["a", "b"];
+ var ys = ["c", "d"];
+ 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];
+ z = String.fromCharCode(z.charCodeAt(0));
+ var v = map.get(z);
+ if (v !== undefined) c += v;
+ }
+ assertEq(c, N / 2 + N / 4);
+}
+runTest(testComputed);
+
+function testRope(n) {
+ var xs = ["a", "b"];
+ var ys = ["c", "d"];
+ var zs = [...xs, ...ys];
+ var map = createMap(xs.map(x => x.repeat(100)), n);
+
+ var N = 100;
+ var c = 0;
+ for (var i = 0; i < N; ++i) {
+ var z = zs[i & 3].repeat(100);
+ var v = map.get(z);
+ if (v !== undefined) c += v;
+ }
+ assertEq(c, N / 2 + N / 4);
+}
+runTest(testRope);