X-Git-Url: https://git.ladys.computer/Pisces/blobdiff_plain/cb5a5ceca492121141a12d921afc78dbde7fbfa1..refs/heads/current:/numeric.test.js

diff --git a/numeric.test.js b/numeric.test.js
index 27776cd..0129ae3 100644
--- a/numeric.test.js
+++ b/numeric.test.js
@@ -1,13 +1,14 @@
 // ♓🌟 Piscēs ∷ numeric.test.js
 // ====================================================================
 //
-// Copyright © 2022 Lady [@ Lady’s Computer].
+// Copyright © 2022–2023 Lady [@ Lady’s Computer].
 //
 // This Source Code Form is subject to the terms of the Mozilla Public
 // License, v. 2.0. If a copy of the MPL was not distributed with this
 // file, You can obtain one at <https://mozilla.org/MPL/2.0/>.
 
 import {
+  assert,
   assertStrictEquals,
   assertThrows,
   describe,
@@ -15,37 +16,53 @@ import {
 } from "./dev-deps.js";
 import {
   abs,
-  atan2,
+  arccos,
+  arccosh,
+  arcsin,
+  arcsinh,
+  arctan,
+  arctan2,
+  arctanh,
+  cbrt,
+  ceil,
   clz32,
+  cos,
+  cosh,
+  exp,
+  expm1,
+  floor,
+  hypot,
+  isFiniteNumber,
+  isIntegralNumber,
+  isNan,
+  isSafeIntegralNumber,
+  ln,
+  ln1p,
+  log10,
+  log2,
   max,
   min,
-  NEGATIVE_ZERO,
-  POSITIVE_ZERO,
+  rand,
+  round,
   sgn,
+  sin,
+  sinh,
+  sqrt,
+  tan,
+  tanh,
   toBigInt,
   toExponentialNotation,
   toFixedDecimalNotation,
   toFloat32,
   toIntegralNumber,
   toIntegralNumberOrInfinity,
-  toIntN,
   toNumber,
   toNumeric,
-  toUintN,
+  toSignedIntegralNumeric,
+  toUnsignedIntegralNumeric,
+  trunc,
 } from "./numeric.js";
 
-describe("NEGATIVE_ZERO", () => {
-  it("[[Get]] is negative zero", () => {
-    assertStrictEquals(NEGATIVE_ZERO, -0);
-  });
-});
-
-describe("POSITIVE_ZERO", () => {
-  it("[[Get]] is positive zero", () => {
-    assertStrictEquals(POSITIVE_ZERO, 0);
-  });
-});
-
 describe("abs", () => {
   it("[[Call]] returns the absolute value", () => {
     assertStrictEquals(abs(-1), 1);
@@ -55,15 +72,263 @@ describe("abs", () => {
     const bn = BigInt(Number.MAX_SAFE_INTEGER) + 2n;
     assertStrictEquals(abs(-bn), bn);
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new abs(0));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(abs.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(abs.name, "abs");
+    });
+  });
+});
+
+describe("arccos", () => {
+  it("[[Call]] returns the arccos", () => {
+    assertStrictEquals(arccos(1), 0);
+    assertStrictEquals(arccos(0), Math.PI / 2);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => arccos(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new arccos(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(arccos.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(arccos.name, "arccos");
+    });
+  });
+});
+
+describe("arccosh", () => {
+  it("[[Call]] returns the arccosh", () => {
+    assertStrictEquals(arccosh(1), 0);
+    assertStrictEquals(arccosh(0), NaN);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => arccosh(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new arccosh(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(arccosh.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(arccosh.name, "arccosh");
+    });
+  });
+});
+
+describe("arcsin", () => {
+  it("[[Call]] returns the arcsin", () => {
+    assertStrictEquals(arcsin(1), Math.PI / 2);
+    assertStrictEquals(arcsin(0), 0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => arcsin(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new arcsin(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(arcsin.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(arcsin.name, "arcsin");
+    });
+  });
+});
+
+describe("arcsinh", () => {
+  it("[[Call]] returns the arcsinh", () => {
+    assertStrictEquals(arcsinh(1), Math.asinh(1));
+    assertStrictEquals(arcsinh(0), 0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => arcsinh(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new arcsinh(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(arcsinh.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(arcsinh.name, "arcsinh");
+    });
+  });
 });
 
-describe("atan2", () => {
-  it("[[Call]] returns the atan2", () => {
-    assertStrictEquals(atan2(6, 9), Math.atan2(6, 9));
+describe("arctan", () => {
+  it("[[Call]] returns the arctan", () => {
+    assertStrictEquals(arctan(1), Math.PI / 4);
+    assertStrictEquals(arctan(0), 0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => arctan(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new arctan(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(arctan.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(arctan.name, "arctan");
+    });
+  });
+});
+
+describe("arctan2", () => {
+  it("[[Call]] returns the arctan2", () => {
+    assertStrictEquals(arctan2(6, 9), Math.atan2(6, 9));
   });
 
   it("[[Call]] works with big·ints", () => {
-    assertStrictEquals(atan2(6n, 9n), Math.atan2(6, 9));
+    assertStrictEquals(arctan2(6n, 9n), Math.atan2(6, 9));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new arctan2(1, 0));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(arctan2.length, 2);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(arctan2.name, "arctan2");
+    });
+  });
+});
+
+describe("arctanh", () => {
+  it("[[Call]] returns the arctanh", () => {
+    assertStrictEquals(arctanh(1), Infinity);
+    assertStrictEquals(arctanh(0), 0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => arctanh(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new arctanh(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(arctanh.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(arctanh.name, "arctanh");
+    });
+  });
+});
+
+describe("cbrt", () => {
+  it("[[Call]] returns the cbrt", () => {
+    assertStrictEquals(cbrt(1), 1);
+    assertStrictEquals(cbrt(2), Math.cbrt(2));
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => cbrt(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new cbrt(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(cbrt.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(cbrt.name, "cbrt");
+    });
+  });
+});
+
+describe("ceil", () => {
+  it("[[Call]] returns the ceil", () => {
+    assertStrictEquals(ceil(1), 1);
+    assertStrictEquals(ceil(1.1), 2);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => ceil(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new ceil(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(ceil.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(ceil.name, "ceil");
+    });
   });
 });
 
@@ -75,6 +340,452 @@ describe("clz32", () => {
   it("[[Call]] works with big·ints", () => {
     assertStrictEquals(clz32(1n << 28n), 3);
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new clz32(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(clz32.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(clz32.name, "clz32");
+    });
+  });
+});
+
+describe("cos", () => {
+  it("[[Call]] returns the cos", () => {
+    assertStrictEquals(cos(1), Math.cos(1));
+    assertStrictEquals(cos(0), 1);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => cos(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new cos(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(cos.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(cos.name, "cos");
+    });
+  });
+});
+
+describe("cosh", () => {
+  it("[[Call]] returns the cosh", () => {
+    assertStrictEquals(cosh(1), Math.cosh(1));
+    assertStrictEquals(cosh(0), 1);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => cosh(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new cosh(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(cosh.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(cosh.name, "cosh");
+    });
+  });
+});
+
+describe("exp", () => {
+  it("[[Call]] returns the exp", () => {
+    assertStrictEquals(exp(1), Math.E);
+    assertStrictEquals(exp(0), 1);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => exp(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new exp(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(exp.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(exp.name, "exp");
+    });
+  });
+});
+
+describe("expm1", () => {
+  it("[[Call]] returns the expm1", () => {
+    assertStrictEquals(expm1(1), Math.E - 1);
+    assertStrictEquals(expm1(0), 0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => expm1(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new expm1(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(expm1.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(expm1.name, "expm1");
+    });
+  });
+});
+
+describe("floor", () => {
+  it("[[Call]] returns the floor", () => {
+    assertStrictEquals(floor(1), 1);
+    assertStrictEquals(floor(0.1), 0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => floor(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new floor(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(floor.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(floor.name, "floor");
+    });
+  });
+});
+
+describe("hypot", () => {
+  it("[[Call]] returns the floor", () => {
+    assertStrictEquals(hypot(1, 0), 1);
+    assertStrictEquals(hypot(3, 4), 5);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => hypot(1n, 0n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new hypot(1, 0));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(hypot.length, 2);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(hypot.name, "hypot");
+    });
+  });
+});
+
+describe("isFiniteNumber", () => {
+  it("[[Call]] returns true for finite numbers", () => {
+    assertStrictEquals(isFiniteNumber(1), true);
+    assertStrictEquals(isFiniteNumber(Number.MAX_VALUE), true);
+    assertStrictEquals(isFiniteNumber(Number.EPSILON), true);
+  });
+
+  it("[[Call]] returns false for nonfinite numbers", () => {
+    assertStrictEquals(isFiniteNumber(NaN), false);
+    assertStrictEquals(isFiniteNumber(Infinity), false);
+  });
+
+  it("[[Call]] returns false for nonnumbers", () => {
+    assertStrictEquals(isFiniteNumber(1n), false);
+    assertStrictEquals(isFiniteNumber("1"), false);
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new isFiniteNumber(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(isFiniteNumber.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(isFiniteNumber.name, "isFiniteNumber");
+    });
+  });
+});
+
+describe("isIntegralNumber", () => {
+  it("[[Call]] returns true for integral numbers", () => {
+    assertStrictEquals(isIntegralNumber(1), true);
+    assertStrictEquals(isIntegralNumber(Number.MAX_VALUE), true);
+  });
+
+  it("[[Call]] returns false for nonfinite numbers", () => {
+    assertStrictEquals(isIntegralNumber(NaN), false);
+    assertStrictEquals(isIntegralNumber(Infinity), false);
+  });
+
+  it("[[Call]] returns false for nonintegral numbers", () => {
+    assertStrictEquals(isIntegralNumber(.1), false);
+    assertStrictEquals(isIntegralNumber(Number.EPSILON), false);
+  });
+
+  it("[[Call]] returns false for nonnumbers", () => {
+    assertStrictEquals(isIntegralNumber(1n), false);
+    assertStrictEquals(isIntegralNumber("1"), false);
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new isIntegralNumber(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(isIntegralNumber.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(isIntegralNumber.name, "isIntegralNumber");
+    });
+  });
+});
+
+describe("isNan", () => {
+  it("[[Call]] returns true for nan", () => {
+    assertStrictEquals(isNan(NaN), true);
+  });
+
+  it("[[Call]] returns false for infinite numbers", () => {
+    assertStrictEquals(isNan(-Infinity), false);
+    assertStrictEquals(isNan(Infinity), false);
+  });
+
+  it("[[Call]] returns false for finite numbers", () => {
+    assertStrictEquals(isNan(1), false);
+    assertStrictEquals(isNan(Number.MAX_VALUE), false);
+    assertStrictEquals(isNan(.1), false);
+    assertStrictEquals(isNan(Number.EPSILON), false);
+  });
+
+  it("[[Call]] returns false for nonnumbers", () => {
+    assertStrictEquals(isNan(1n), false);
+    assertStrictEquals(isNan("NaN"), false);
+    assertStrictEquals(isNan({}), false);
+    assertStrictEquals(isNan(new Date(NaN)), false);
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new isNan(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(isNan.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(isNan.name, "isNan");
+    });
+  });
+});
+
+describe("isSafeIntegralNumber", () => {
+  it("[[Call]] returns true for safe integral numbers", () => {
+    assertStrictEquals(isSafeIntegralNumber(1), true);
+    assertStrictEquals(
+      isSafeIntegralNumber(Number.MAX_SAFE_INTEGER),
+      true,
+    );
+  });
+
+  it("[[Call]] returns false for nonfinite numbers", () => {
+    assertStrictEquals(isSafeIntegralNumber(NaN), false);
+    assertStrictEquals(isSafeIntegralNumber(Infinity), false);
+  });
+
+  it("[[Call]] returns false for nonintegral numbers", () => {
+    assertStrictEquals(isSafeIntegralNumber(.1), false);
+    assertStrictEquals(isSafeIntegralNumber(Number.EPSILON), false);
+  });
+  it("[[Call]] returns true for unsafe integral numbers", () => {
+    assertStrictEquals(isSafeIntegralNumber(Number.MAX_VALUE), false);
+  });
+
+  it("[[Call]] returns false for nonnumbers", () => {
+    assertStrictEquals(isSafeIntegralNumber(1n), false);
+    assertStrictEquals(isSafeIntegralNumber("1"), false);
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new isSafeIntegralNumber(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(isSafeIntegralNumber.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(
+        isSafeIntegralNumber.name,
+        "isSafeIntegralNumber",
+      );
+    });
+  });
+});
+
+describe("ln", () => {
+  it("[[Call]] returns the ln", () => {
+    assertStrictEquals(ln(1), 0);
+    assertStrictEquals(ln(Math.E), 1);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => ln(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new ln(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(ln.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(ln.name, "ln");
+    });
+  });
+});
+
+describe("ln1p", () => {
+  it("[[Call]] returns the ln1p", () => {
+    assertStrictEquals(ln1p(1), Math.log1p(1));
+    assertStrictEquals(ln1p(Math.E - 1), 1);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => ln1p(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new ln1p(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(ln1p.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(ln1p.name, "ln1p");
+    });
+  });
+});
+
+describe("log10", () => {
+  it("[[Call]] returns the log10", () => {
+    assertStrictEquals(log10(1), 0);
+    assertStrictEquals(log10(10), 1);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => log10(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new log10(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(log10.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(log10.name, "log10");
+    });
+  });
+});
+
+describe("log2", () => {
+  it("[[Call]] returns the log2", () => {
+    assertStrictEquals(log2(1), 0);
+    assertStrictEquals(log2(2), 1);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => log2(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new log2(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(log2.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(log2.name, "log2");
+    });
+  });
 });
 
 describe("max", () => {
@@ -97,6 +808,22 @@ describe("max", () => {
   it("[[Call]] throws if both big·int and number arguments are provided", () => {
     assertThrows(() => max(-Infinity, 0n));
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new max(1, 0));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(max.length, 2);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(max.name, "max");
+    });
+  });
 });
 
 describe("min", () => {
@@ -119,6 +846,75 @@ describe("min", () => {
   it("[[Call]] throws if both big·int and number arguments are provided", () => {
     assertThrows(() => min(Infinity, 0n));
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new min(1, 0));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(min.length, 2);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(min.name, "min");
+    });
+  });
+});
+
+describe("rand", () => {
+  it("[[Call]] returns a random number between 0 and 1", () => {
+    // Not possible to fully test, obviously.
+    const r = rand();
+    assert(typeof r === "number");
+    assert(r >= 0 && r < 1);
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new rand());
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(rand.length, 0);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(rand.name, "rand");
+    });
+  });
+});
+
+describe("round", () => {
+  it("[[Call]] returns the round", () => {
+    assertStrictEquals(round(1), 1);
+    assertStrictEquals(round(0.5), 1);
+    assertStrictEquals(round(-0.5), -0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => round(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new round(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(round.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(round.name, "round");
+    });
+  });
 });
 
 describe("sgn", () => {
@@ -135,12 +931,179 @@ describe("sgn", () => {
     assertStrictEquals(sgn(92n), 1n);
     assertStrictEquals(sgn(-92n), -1n);
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new sgn(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(sgn.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(sgn.name, "sgn");
+    });
+  });
+});
+
+describe("sin", () => {
+  it("[[Call]] returns the sin", () => {
+    assertStrictEquals(sin(1), Math.sin(1));
+    assertStrictEquals(sin(0), 0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => sin(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new sin(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(sin.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(sin.name, "sin");
+    });
+  });
+});
+
+describe("sinh", () => {
+  it("[[Call]] returns the sinh", () => {
+    assertStrictEquals(sinh(1), Math.sinh(1));
+    assertStrictEquals(sinh(0), 0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => sinh(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new sinh(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(sinh.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(sinh.name, "sinh");
+    });
+  });
+});
+
+describe("sqrt", () => {
+  it("[[Call]] returns the sqrt", () => {
+    assertStrictEquals(sqrt(1), 1);
+    assertStrictEquals(sqrt(2), Math.SQRT2);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => sqrt(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new sqrt(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(sqrt.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(sqrt.name, "sqrt");
+    });
+  });
+});
+
+describe("tan", () => {
+  it("[[Call]] returns the tan", () => {
+    assertStrictEquals(tan(1), Math.tan(1));
+    assertStrictEquals(tan(0), 0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => tan(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new tan(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(tan.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(tan.name, "tan");
+    });
+  });
+});
+
+describe("tanh", () => {
+  it("[[Call]] returns the tanh", () => {
+    assertStrictEquals(tanh(1), Math.tanh(1));
+    assertStrictEquals(tanh(0), 0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => tanh(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new tanh(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(tanh.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(tanh.name, "tanh");
+    });
+  });
 });
 
 describe("toBigInt", () => {
   it("[[Call]] converts to a big·int", () => {
     assertStrictEquals(toBigInt(2), 2n);
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new toBigInt(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(toBigInt.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(toBigInt.name, "toBigInt");
+    });
+  });
 });
 
 describe("toExponentialNotation", () => {
@@ -171,6 +1134,25 @@ describe("toExponentialNotation", () => {
     assertStrictEquals(toExponentialNotation(6850n, 1), "6.9e+3");
     assertStrictEquals(toExponentialNotation(4199n, 2), "4.20e+3");
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new toExponentialNotation(1, 1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(toExponentialNotation.length, 2);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(
+        toExponentialNotation.name,
+        "toExponentialNotation",
+      );
+    });
+  });
 });
 
 describe("toFixedDecimalNotation", () => {
@@ -188,6 +1170,25 @@ describe("toFixedDecimalNotation", () => {
       "9007199254740993.00",
     );
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new toFixedDecimalNotation(1, 1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(toFixedDecimalNotation.length, 2);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(
+        toFixedDecimalNotation.name,
+        "toFixedDecimalNotation",
+      );
+    });
+  });
 });
 
 describe("toFloat32", () => {
@@ -204,20 +1205,55 @@ describe("toFloat32", () => {
       Math.fround(562949953421313),
     );
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new toFloat32(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(toFloat32.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(toFloat32.name, "toFloat32");
+    });
+  });
 });
 
-describe("toIntN", () => {
+describe("toSignedIntegralNumeric", () => {
   it("[[Call]] converts to an int·n", () => {
-    assertStrictEquals(toIntN(2, 7n), -1n);
+    assertStrictEquals(toSignedIntegralNumeric(2, 7n), -1n);
   });
 
   it("[[Call]] works with numbers", () => {
-    assertStrictEquals(toIntN(2, 7), -1);
+    assertStrictEquals(toSignedIntegralNumeric(2, 7), -1);
   });
 
   it("[[Call]] works with non‐integers", () => {
-    assertStrictEquals(toIntN(2, 7.21), -1);
-    assertStrictEquals(toIntN(2, Infinity), 0);
+    assertStrictEquals(toSignedIntegralNumeric(2, 7.21), -1);
+    assertStrictEquals(toSignedIntegralNumeric(2, Infinity), 0);
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new toSignedIntegralNumeric(1, 1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(toSignedIntegralNumeric.length, 2);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(
+        toSignedIntegralNumeric.name,
+        "toSignedIntegralNumeric",
+      );
+    });
   });
 });
 
@@ -245,6 +1281,22 @@ describe("toIntegralNumber", () => {
   it("[[Call]] works with big·ints", () => {
     assertStrictEquals(toIntegralNumber(2n), 2);
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new toIntegralNumber(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(toIntegralNumber.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(toIntegralNumber.name, "toIntegralNumber");
+    });
+  });
 });
 
 describe("toIntegralNumberOrInfinity", () => {
@@ -274,6 +1326,25 @@ describe("toIntegralNumberOrInfinity", () => {
   it("[[Call]] works with big·ints", () => {
     assertStrictEquals(toIntegralNumberOrInfinity(2n), 2);
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new toIntegralNumberOrInfinity(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(toIntegralNumberOrInfinity.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(
+        toIntegralNumberOrInfinity.name,
+        "toIntegralNumberOrInfinity",
+      );
+    });
+  });
 });
 
 describe("toNumber", () => {
@@ -304,19 +1375,82 @@ describe("toNumeric", () => {
       231n,
     );
   });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new toNumeric(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(toNumeric.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(toNumeric.name, "toNumeric");
+    });
+  });
 });
 
-describe("toUintN", () => {
+describe("toUnsignedIntegralNumeric", () => {
   it("[[Call]] converts to an int·n", () => {
-    assertStrictEquals(toUintN(2, 7n), 3n);
+    assertStrictEquals(toUnsignedIntegralNumeric(2, 7n), 3n);
   });
 
   it("[[Call]] works with numbers", () => {
-    assertStrictEquals(toUintN(2, 7), 3);
+    assertStrictEquals(toUnsignedIntegralNumeric(2, 7), 3);
   });
 
   it("[[Call]] works with non‐integers", () => {
-    assertStrictEquals(toUintN(2, 7.21), 3);
-    assertStrictEquals(toUintN(2, Infinity), 0);
+    assertStrictEquals(toUnsignedIntegralNumeric(2, 7.21), 3);
+    assertStrictEquals(toUnsignedIntegralNumeric(2, Infinity), 0);
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new toUnsignedIntegralNumeric(1, 1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(toUnsignedIntegralNumeric.length, 2);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(
+        toUnsignedIntegralNumeric.name,
+        "toUnsignedIntegralNumeric",
+      );
+    });
+  });
+});
+
+describe("trunc", () => {
+  it("[[Call]] returns the trunc", () => {
+    assertStrictEquals(trunc(1), 1);
+    assertStrictEquals(trunc(0.5), 0);
+    assertStrictEquals(trunc(-0.5), -0);
+  });
+
+  it("[[Call]] throws with big·ints", () => {
+    assertThrows(() => trunc(1n));
+  });
+
+  it("[[Construct]] throws an error", () => {
+    assertThrows(() => new trunc(1));
+  });
+
+  describe(".length", () => {
+    it("[[Get]] returns the correct length", () => {
+      assertStrictEquals(trunc.length, 1);
+    });
+  });
+
+  describe(".name", () => {
+    it("[[Get]] returns the correct name", () => {
+      assertStrictEquals(trunc.name, "trunc");
+    });
   });
 });