1 files changed, 93 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/number-parseInt-int32.js b/js/src/jit-test/tests/cacheir/number-parseInt-int32.js
new file mode 100644
index 0000000000..42def800de
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/number-parseInt-int32.js
@@ -0,0 +1,93 @@
+// Test inlining parseInt with an Int32 input.
+
+const int32Values = [
+  // Values around INT32_MIN.
+  -2147483648,
+  -2147483647,
+  -2147483646,
+
+  // Negative values.
+  -65536, -65535, -256, -255, -100, -50, -10,
+
+  // Values around zero.
+  -2, -1, 0, 1, 2,
+
+  // Positive values.
+  10, 50, 100, 255, 256, 65535, 65536,
+
+  // Values around INT32_MAX.
+  2147483645,
+  2147483646,
+  2147483647,
+];
+
+// Test int32 input without an explicit radix.
+function testRadixAbsent() {
+  for (let i = 0; i < 200; ++i) {
+    let x = int32Values[i % int32Values.length];
+    assertEq(x, x|0, "x is an int32 value");
+
+    let r = Number.parseInt(x);
+    assertEq(r, x);
+  }
+}
+for (let i = 0; i < 2; ++i) testRadixAbsent();
+
+// Test int32 input with radix=10.
+function testRadixTen() {
+  for (let i = 0; i < 200; ++i) {
+    let x = int32Values[i % int32Values.length];
+    assertEq(x, x|0, "x is an int32 value");
+
+    let r = Number.parseInt(x, 10);
+    assertEq(r, x);
+  }
+}
+for (let i = 0; i < 2; ++i) testRadixTen();
+
+// Test int32 input with radix=16. (This case isn't currently inlined.)
+function testRadixSixteen() {
+  for (let i = 0; i < 200; ++i) {
+    let x = int32Values[i % int32Values.length];
+    assertEq(x, x|0, "x is an int32 value");
+
+    let expected = Math.sign(x) * Number("0x" + Math.abs(x).toString(10));
+
+    let r = Number.parseInt(x, 16);
+    assertEq(r, expected);
+  }
+}
+for (let i = 0; i < 2; ++i) testRadixSixteen();
+
+// Test with variable radix.
+function testRadixVariable() {
+  for (let i = 0; i < 200; ++i) {
+    let x = int32Values[i % int32Values.length];
+    assertEq(x, x|0, "x is an int32 value");
+
+    let radix = [10, 16][(i > 100)|0];
+
+    let expected = x;
+    if (radix === 16) {
+      expected = Math.sign(x) * Number("0x" + Math.abs(x).toString(10));
+    }
+
+    let r = Number.parseInt(x, radix);
+    assertEq(r, expected);
+  }
+}
+for (let i = 0; i < 2; ++i) testRadixVariable();
+
+// Test with int32 and double inputs.
+function testBadInput() {
+  for (let i = 0; i < 200; ++i) {
+    let x = int32Values[i % int32Values.length];
+    assertEq(x, x|0, "x is an int32 value");
+
+    let y = [x, NaN][(i > 150)|0];
+
+    let r = Number.parseInt(y, 10);
+    assertEq(r, y);
+  }
+}
+for (let i = 0; i < 2; ++i) testBadInput();