1 files changed, 144 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/number-parseInt-string.js b/js/src/jit-test/tests/cacheir/number-parseInt-string.js
new file mode 100644
index 0000000000..7206c14db2
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/number-parseInt-string.js
@@ -0,0 +1,144 @@
+// Test inlining parseInt with a String input.
+
+const stringInt32Values = [
+  // 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",
+];
+
+const stringInt32HexValues = [
+  // Values around INT32_MIN.
+  "-0x80000000",
+  "-0x7fffffff",
+  "-0x7ffffffe",
+
+  // Negative values.
+  "-0x10000", "-0xffff", "-0x100", "-0xff", "-0x64", "-0x32", "-0xa",
+
+  // Values around zero.
+  "-0x2", "-0x1", "0x0", "0x1", "0x2",
+
+  // Positive values.
+  "0xa", "0x32", "0x64", "0xff", "0x100", "0xffff", "0x10000",
+
+  // Values around INT32_MAX.
+  "0x7ffffffd",
+  "0x7ffffffe",
+  "0x7fffffff",
+];
+
+// Test string-int32 input without an explicit radix.
+function testRadixAbsent() {
+  for (let i = 0; i < 200; ++i) {
+    let x = stringInt32Values[i % stringInt32Values.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 string-int32 hex input without an explicit radix.
+function testRadixAbsentHex() {
+  for (let i = 0; i < 200; ++i) {
+    let x = stringInt32HexValues[i % stringInt32HexValues.length];
+
+    // String to number conversion doesn't support negative hex-strings, so we
+    // have to chop off the leading minus sign manually.
+    let y = x;
+    let sign = 1;
+    if (x.startsWith("-")) {
+      y = x.slice(1);
+      sign = -1;
+    }
+
+    assertEq((+y) * sign, ((+y) * sign)|0, "x is an int32 hex value");
+
+    let r = Number.parseInt(x);
+    assertEq(r, (+y) * sign);
+  }
+}
+for (let i = 0; i < 2; ++i) testRadixAbsentHex();
+
+// Test string-int32 input with radix=10.
+function testRadixTen() {
+  for (let i = 0; i < 200; ++i) {
+    let x = stringInt32Values[i % stringInt32Values.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 string-int32 input with radix=16. (This case isn't currently inlined.)
+function testRadixSixteen() {
+  for (let i = 0; i < 200; ++i) {
+    let x = stringInt32Values[i % stringInt32Values.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 string-int32 hex input with radix=16. (This case isn't currently inlined.)
+function testRadixSixteenHex() {
+  for (let i = 0; i < 200; ++i) {
+    let x = stringInt32HexValues[i % stringInt32HexValues.length];
+
+    // String to number conversion doesn't support negative hex-strings, so we
+    // have to chop off the leading minus sign manually.
+    let y = x;
+    let sign = 1;
+    if (x.startsWith("-")) {
+      y = x.slice(1);
+      sign = -1;
+    }
+
+    assertEq((+y) * sign, ((+y) * sign)|0, "x is an int32 hex value");
+
+    let r = Number.parseInt(x, 16);
+    assertEq(r, (+y) * sign);
+  }
+}
+for (let i = 0; i < 2; ++i) testRadixSixteenHex();
+
+// Test with variable radix.
+function testRadixVariable() {
+  for (let i = 0; i < 200; ++i) {
+    let x = stringInt32Values[i % stringInt32Values.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();