1 files changed, 205 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/number-parseInt-double.js b/js/src/jit-test/tests/cacheir/number-parseInt-double.js
new file mode 100644
index 0000000000..c4c133480b
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+++ b/js/src/jit-test/tests/cacheir/number-parseInt-double.js
@@ -0,0 +1,205 @@
+// Test inlining parseInt with a Double input.
+
+const doubleValues = [
+  // Values around INT32_MIN.
+  -2147483648.5,
+  -2147483647.5,
+  -2147483646.5,
+
+  // Negative values.
+  -65536.1, -65535.2, -256.3, -255.4, -100.5, -50.6, -10.7,
+
+  // Values around zero.
+  -2.1, -1.1, -0, +0, 0.1, 1.1, 2.1,
+
+  // Positive values.
+  10.7, 50.6, 100.5, 255.4, 256.3, 65535.2, 65536.1,
+
+  // Values around INT32_MAX.
+  2147483645.5,
+  2147483646.5,
+  2147483647.5,
+];
+
+// Test double input without an explicit radix.
+function testRadixAbsent() {
+  for (let i = 0; i < 200; ++i) {
+    let x = doubleValues[i % doubleValues.length];
+    let y = x|0;
+
+    let r = Number.parseInt(x);
+    assertEq(r, y);
+  }
+}
+for (let i = 0; i < 2; ++i) testRadixAbsent();
+
+// Test double input with radix=10.
+function testRadixTen() {
+  for (let i = 0; i < 200; ++i) {
+    let x = doubleValues[i % doubleValues.length];
+
+    let r = Number.parseInt(x, 10);
+    assertEq(r, x|0);
+  }
+}
+for (let i = 0; i < 2; ++i) testRadixTen();
+
+// Test double input in the exclusive range (0, 1.0e-6).
+function testBadTooSmallPositive() {
+  const goodValues = [
+    +0, +0.5, +1.5, +2.5, +3.5, +4.5, +5.5,
+    -0,       -1.5, -2.5, -3.5, -4.5, -5.5,
+  ];
+  const badValues = [
+    9.999999999999997e-7, // parseInt(9.999999999999997e-7) is 9.
+    1e-7, // parseInt(1e-7) is 1.
+  ];
+
+  const values = [
+    ...goodValues,
+    ...badValues,
+  ];
+
+  for (let i = 0; i < 200; ++i) {
+    let xs = [goodValues, values][(i >= 150)|0];
+    let x = xs[i % xs.length];
+    let y;
+    if (0 < x && x < 1e-6) {
+      y = (String(x).match(/(.*)e.*/)[1])|0;
+    } else {
+      y = x|0;
+    }
+
+    let r = Number.parseInt(x);
+    assertEq(r, y);
+  }
+}
+for (let i = 0; i < 2; ++i) testBadTooSmallPositive();
+
+// Test double input in the exclusive range (-1.0e-6, -0).
+function testBadTooSmallNegative() {
+  const goodValues = [
+    +0, +0.5, +1.5, +2.5, +3.5, +4.5, +5.5,
+    -0,       -1.5, -2.5, -3.5, -4.5, -5.5,
+  ];
+  const badValues = [
+    -9.999999999999997e-7, // parseInt(-9.999999999999997e-7) is -9.
+    -1e-7, // parseInt(-1e-7) is -1.
+  ];
+
+  const values = [
+    ...goodValues,
+    ...badValues,
+  ];
+
+  for (let i = 0; i < 200; ++i) {
+    let xs = [goodValues, values][(i >= 150)|0];
+    let x = xs[i % xs.length];
+    let y;
+    if (-1e-6 < x && x < -0) {
+      y = (String(x).match(/(.*)e.*/)[1])|0;
+    } else {
+      y = x|0;
+    }
+
+    let r = Number.parseInt(x);
+    assertEq(r, y);
+  }
+}
+for (let i = 0; i < 2; ++i) testBadTooSmallNegative();
+
+// Test double input in the exclusive range (-1, -1.0e-6).
+function testBadNegativeZero() {
+  const goodValues = [
+    +0, +0.5, +1.5, +2.5, +3.5, +4.5, +5.5,
+    -0,       -1.5, -2.5, -3.5, -4.5, -5.5,
+  ];
+  const badValues = [
+    -0.1, // parseInt(-0.1) is -0.
+    -0.5, // parseInt(-0.5) is -0.
+    -0.9, // parseInt(-0.9) is -0.
+  ];
+
+  const values = [
+    ...goodValues,
+    ...badValues,
+  ];
+
+  for (let i = 0; i < 200; ++i) {
+    let xs = [goodValues, values][(i >= 150)|0];
+    let x = xs[i % xs.length];
+    let y;
+    if (-1 < x && x < 0) {
+      y = -0;
+    } else {
+      y = x|0;
+    }
+
+    let r = Number.parseInt(x);
+    assertEq(r, y);
+  }
+}
+for (let i = 0; i < 2; ++i) testBadNegativeZero();
+
+// Test double input with infinity values.
+function testBadInfinity() {
+  const goodValues = [
+    +0, +0.5, +1.5, +2.5, +3.5, +4.5, +5.5,
+    -0,       -1.5, -2.5, -3.5, -4.5, -5.5,
+  ];
+  const badValues = [
+    Infinity, // parseInt(Infinity) is NaN
+    -Infinity, // parseInt(-Infinity) is NaN
+  ];
+
+  const values = [
+    ...goodValues,
+    ...badValues,
+  ];
+
+  for (let i = 0; i < 200; ++i) {
+    let xs = [goodValues, values][(i >= 150)|0];
+    let x = xs[i % xs.length];
+    let y;
+    if (!Number.isFinite(x)) {
+      y = NaN;
+    } else {
+      y = x|0;
+    }
+
+    let r = Number.parseInt(x);
+    assertEq(r, y);
+  }
+}
+for (let i = 0; i < 2; ++i) testBadInfinity();
+
+// Test double input with NaN values.
+function testBadNaN() {
+  const goodValues = [
+    +0, +0.5, +1.5, +2.5, +3.5, +4.5, +5.5,
+    -0,       -1.5, -2.5, -3.5, -4.5, -5.5,
+  ];
+  const badValues = [
+    NaN, // parseInt(NaN) is NaN
+  ];
+
+  const values = [
+    ...goodValues,
+    ...badValues,
+  ];
+
+  for (let i = 0; i < 200; ++i) {
+    let xs = [goodValues, values][(i >= 150)|0];
+    let x = xs[i % xs.length];
+    let y;
+    if (!Number.isFinite(x)) {
+      y = NaN;
+    } else {
+      y = x|0;
+    }
+
+    let r = Number.parseInt(x);
+    assertEq(r, y);
+  }
+}
+for (let i = 0; i < 2; ++i) testBadNaN();