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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/warp/number-tostring-with-base.js
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/warp/number-tostring-with-base.js')
-rw-r--r--js/src/jit-test/tests/warp/number-tostring-with-base.js89
1 files changed, 89 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/number-tostring-with-base.js b/js/src/jit-test/tests/warp/number-tostring-with-base.js
new file mode 100644
index 0000000000..47842bec3f
--- /dev/null
+++ b/js/src/jit-test/tests/warp/number-tostring-with-base.js
@@ -0,0 +1,89 @@
+function testConstantBaseFastPathTemplate(xs) {
+ assertEq(xs.length, $BASE * $BASE);
+ for (let j = 0; j < 200;) {
+ // The fast path can be used for all integers below |base * base|.
+ for (let i = 0; i < $BASE * $BASE; ++i, ++j) {
+ assertEq(i.toString($BASE), xs[i]);
+ }
+ }
+}
+
+// Test when Number.prototype.toString is called with a constant base argument
+// and the fast path for static strings can be used.
+for (let base = 2; base <= 36; ++base) {
+ let fn = Function(`return ${testConstantBaseFastPathTemplate}`.replaceAll("$BASE", base))();
+ let xs = Array.from({length: base * base}, (_, i) => i.toString(base));
+ for (let i = 0; i < 2; ++i) {
+ fn(xs);
+ }
+}
+
+function testConstantBaseTemplate(xs) {
+ assertEq(xs.length, $BASE * $BASE * 2);
+ for (let j = 0; j < 200;) {
+ // The fast path can only be used for integers below |base * base|.
+ for (let i = 0; i < $BASE * $BASE * 2; ++i, ++j) {
+ assertEq(i.toString($BASE), xs[i]);
+ }
+ }
+}
+
+// Test when Number.prototype.toString is called with a constant base argument
+// and the fast path for static strings can't always be used.
+for (let base = 2; base <= 36; ++base) {
+ let fn = Function(`return ${testConstantBaseTemplate}`.replaceAll("$BASE", base))();
+ let xs = Array.from({length: base * base * 2}, (_, i) => i.toString(base));
+ for (let i = 0; i < 2; ++i) {
+ fn(xs);
+ }
+}
+
+function testVariableBaseFastPathTemplate(xs, ys) {
+ assertEq(ys.length, 2);
+ assertEq(ys[0], ys[1]);
+ let base = ys[0];
+
+ assertEq(xs.length, base * base);
+
+ for (let j = 0; j < 200;) {
+ // The fast path can be used for all integers below |base * base|.
+ for (let i = 0; i < base * base; ++i, ++j) {
+ assertEq(i.toString(ys[i & 1]), xs[i]);
+ }
+ }
+}
+
+// Test when Number.prototype.toString is called with a non-constant base argument
+// and the fast path for static strings can be used.
+for (let base = 2; base <= 36; ++base) {
+ let fn = Function(`return ${testVariableBaseFastPathTemplate}`)();
+ let xs = Array.from({length: base * base}, (_, i) => i.toString(base));
+ for (let i = 0; i < 2; ++i) {
+ fn(xs, [base, base]);
+ }
+}
+
+function testVariableBaseTemplate(xs, ys) {
+ assertEq(ys.length, 2);
+ assertEq(ys[0], ys[1]);
+ let base = ys[0];
+
+ assertEq(xs.length, base * base * 2);
+
+ for (let j = 0; j < 200;) {
+ // The fast path can only be used for integers below |base * base|.
+ for (let i = 0; i < base * base * 2; ++i, ++j) {
+ assertEq(i.toString(ys[i & 1]), xs[i]);
+ }
+ }
+}
+
+// Test when Number.prototype.toString is called with a non-constant base argument
+// and the fast path for static strings can't always be used.
+for (let base = 2; base <= 36; ++base) {
+ let fn = Function(`return ${testVariableBaseTemplate}`)();
+ let xs = Array.from({length: base * base * 2}, (_, i) => i.toString(base));
+ for (let i = 0; i < 2; ++i) {
+ fn(xs, [base, base]);
+ }
+}