Add methods for own entries and values to object.js

[Pisces] / collection.test.js

diff --git a/collection.test.js b/collection.test.js
index b490572c575e017727d55c00371ffb9aef99d37d..c0669325f1fc67a87cfd0288ec8a03f9d9b95719 100644 (file)
--- a/collection.test.js
+++ b/collection.test.js
@@ -12,56 +12,11 @@ import {
   assertSpyCall,
   assertSpyCalls,
   assertStrictEquals,
-  assertThrows,
   describe,
   it,
   spy,
 } from "./dev-deps.js";
-import {
-  canonicalNumericIndexString,
-  findIndexedEntry,
-  isArrayIndexString,
-  isCollection,
-  isConcatSpreadable,
-  isIntegerIndexString,
-  lengthOfArrayLike,
-  toIndex,
-  toLength,
-} from "./collection.js";
-
-describe("canonicalNumericIndexString", () => {
-  it("[[Call]] returns undefined for nonstrings", () => {
-    assertStrictEquals(canonicalNumericIndexString(1), void {});
-  });
-
-  it("[[Call]] returns undefined for noncanonical strings", () => {
-    assertStrictEquals(canonicalNumericIndexString(""), void {});
-    assertStrictEquals(canonicalNumericIndexString("01"), void {});
-    assertStrictEquals(
-      canonicalNumericIndexString("9007199254740993"),
-      void {},
-    );
-  });
-
-  it('[[Call]] returns -0 for "-0"', () => {
-    assertStrictEquals(canonicalNumericIndexString("-0"), -0);
-  });
-
-  it("[[Call]] returns the corresponding number for canonical strings", () => {
-    assertStrictEquals(canonicalNumericIndexString("0"), 0);
-    assertStrictEquals(canonicalNumericIndexString("-0.25"), -0.25);
-    assertStrictEquals(
-      canonicalNumericIndexString("9007199254740992"),
-      9007199254740992,
-    );
-    assertStrictEquals(canonicalNumericIndexString("NaN"), 0 / 0);
-    assertStrictEquals(canonicalNumericIndexString("Infinity"), 1 / 0);
-    assertStrictEquals(
-      canonicalNumericIndexString("-Infinity"),
-      -1 / 0,
-    );
-  });
-});
+import { findIndexedEntry, isCollection } from "./collection.js";
 
 describe("findIndexedEntry", () => {
   it("[[Call]] returns undefined if no matching entry exists", () => {
@@ -119,50 +74,6 @@ describe("findIndexedEntry", () => {
   });
 });
 
-describe("isArrayIndexString", () => {
-  it("[[Call]] returns false for nonstrings", () => {
-    assertStrictEquals(isArrayIndexString(1), false);
-  });
-
-  it("[[Call]] returns false for noncanonical strings", () => {
-    assertStrictEquals(isArrayIndexString(""), false);
-    assertStrictEquals(isArrayIndexString("01"), false);
-    assertStrictEquals(isArrayIndexString("9007199254740993"), false);
-  });
-
-  it("[[Call]] returns false for nonfinite numbers", () => {
-    assertStrictEquals(isArrayIndexString("NaN"), false);
-    assertStrictEquals(isArrayIndexString("Infinity"), false);
-    assertStrictEquals(isArrayIndexString("-Infinity"), false);
-  });
-
-  it("[[Call]] returns false for negative numbers", () => {
-    assertStrictEquals(isArrayIndexString("-0"), false);
-    assertStrictEquals(isArrayIndexString("-1"), false);
-  });
-
-  it("[[Call]] returns false for nonintegers", () => {
-    assertStrictEquals(isArrayIndexString("0.25"), false);
-    assertStrictEquals(isArrayIndexString("1.1"), false);
-  });
-
-  it("[[Call]] returns false for numbers greater than or equal to -1 >>> 0", () => {
-    assertStrictEquals(isArrayIndexString(String(-1 >>> 0)), false);
-    assertStrictEquals(
-      isArrayIndexString(String((-1 >>> 0) + 1)),
-      false,
-    );
-  });
-
-  it("[[Call]] returns true for array lengths less than -1 >>> 0", () => {
-    assertStrictEquals(isArrayIndexString("0"), true);
-    assertStrictEquals(
-      isArrayIndexString(String((-1 >>> 0) - 1)),
-      true,
-    );
-  });
-});
-
 describe("isCollection", () => {
   it("[[Call]] returns false for primitives", () => {
     assertStrictEquals(isCollection("failure"), false);
@@ -229,173 +140,3 @@ describe("isCollection", () => {
     );
   });
 });
-
-describe("isConcatSpreadable", () => {
-  it("[[Call]] returns false for primitives", () => {
-    assertStrictEquals(isConcatSpreadable("failure"), false);
-  });
-
-  it("[[Call]] returns false if [Symbol.isConcatSpreadable] is null or false", () => {
-    assertStrictEquals(
-      isConcatSpreadable(
-        Object.assign([], { [Symbol.isConcatSpreadable]: null }),
-      ),
-      false,
-    );
-    assertStrictEquals(
-      isConcatSpreadable(
-        Object.assign([], { [Symbol.isConcatSpreadable]: false }),
-      ),
-      false,
-    );
-  });
-
-  it("[[Call]] returns true if [Symbol.isConcatSpreadable] is undefined and the object is an array", () => {
-    assertStrictEquals(
-      isConcatSpreadable(
-        Object.assign([], { [Symbol.isConcatSpreadable]: undefined }),
-      ),
-      true,
-    );
-  });
-
-  it("[[Call]] returns true if [Symbol.isConcatSpreadable] is true", () => {
-    assertStrictEquals(
-      isConcatSpreadable({ [Symbol.isConcatSpreadable]: true }),
-      true,
-    );
-  });
-});
-
-describe("isIntegerIndexString", () => {
-  it("[[Call]] returns false for nonstrings", () => {
-    assertStrictEquals(isIntegerIndexString(1), false);
-  });
-
-  it("[[Call]] returns false for noncanonical strings", () => {
-    assertStrictEquals(isIntegerIndexString(""), false);
-    assertStrictEquals(isIntegerIndexString("01"), false);
-    assertStrictEquals(
-      isIntegerIndexString("9007199254740993"),
-      false,
-    );
-  });
-
-  it("[[Call]] returns false for nonfinite numbers", () => {
-    assertStrictEquals(isIntegerIndexString("NaN"), false);
-    assertStrictEquals(isIntegerIndexString("Infinity"), false);
-    assertStrictEquals(isIntegerIndexString("-Infinity"), false);
-  });
-
-  it("[[Call]] returns false for negative numbers", () => {
-    assertStrictEquals(isIntegerIndexString("-0"), false);
-    assertStrictEquals(isIntegerIndexString("-1"), false);
-  });
-
-  it("[[Call]] returns false for nonintegers", () => {
-    assertStrictEquals(isIntegerIndexString("0.25"), false);
-    assertStrictEquals(isIntegerIndexString("1.1"), false);
-  });
-
-  it("[[Call]] returns false for numbers greater than or equal to 2 ** 53", () => {
-    assertStrictEquals(
-      isIntegerIndexString("9007199254740992"),
-      false,
-    );
-  });
-
-  it("[[Call]] returns true for safe canonical integer strings", () => {
-    assertStrictEquals(isIntegerIndexString("0"), true);
-    assertStrictEquals(isIntegerIndexString("9007199254740991"), true);
-  });
-});
-
-describe("lengthOfArrayLike", () => {
-  it("[[Call]] returns the length", () => {
-    assertStrictEquals(
-      lengthOfArrayLike({ length: 9007199254740991 }),
-      9007199254740991,
-    );
-  });
-
-  it("[[Call]] returns a non·nan result", () => {
-    assertStrictEquals(lengthOfArrayLike({ length: NaN }), 0);
-    assertStrictEquals(lengthOfArrayLike({ length: "failure" }), 0);
-  });
-
-  it("[[Call]] returns an integral result", () => {
-    assertStrictEquals(lengthOfArrayLike({ length: 0.25 }), 0);
-    assertStrictEquals(lengthOfArrayLike({ length: 1.1 }), 1);
-  });
-
-  it("[[Call]] returns a result greater than or equal to zero", () => {
-    assertStrictEquals(lengthOfArrayLike({ length: -0 }), 0);
-    assertStrictEquals(lengthOfArrayLike({ length: -1 }), 0);
-    assertStrictEquals(lengthOfArrayLike({ length: -Infinity }), 0);
-  });
-
-  it("[[Call]] returns a result less than 2 ** 53", () => {
-    assertStrictEquals(
-      lengthOfArrayLike({ length: 9007199254740992 }),
-      9007199254740991,
-    );
-    assertStrictEquals(
-      lengthOfArrayLike({ length: Infinity }),
-      9007199254740991,
-    );
-  });
-});
-
-describe("toIndex", () => {
-  it("[[Call]] returns an index", () => {
-    assertStrictEquals(toIndex(9007199254740991), 9007199254740991);
-  });
-
-  it("[[Call]] returns zero for a zerolike result", () => {
-    assertStrictEquals(toIndex(NaN), 0);
-    assertStrictEquals(toIndex("failure"), 0);
-    assertStrictEquals(toIndex(-0), 0);
-  });
-
-  it("[[Call]] rounds down to the nearest integer", () => {
-    assertStrictEquals(toIndex(0.25), 0);
-    assertStrictEquals(toIndex(1.1), 1);
-  });
-
-  it("[[Call]] throws when provided a negative number", () => {
-    assertThrows(() => toIndex(-1));
-    assertThrows(() => toIndex(-Infinity));
-  });
-
-  it("[[Call]] throws when provided a number greater than or equal to 2 ** 53", () => {
-    assertThrows(() => toIndex(9007199254740992));
-    assertThrows(() => toIndex(Infinity));
-  });
-});
-
-describe("toLength", () => {
-  it("[[Call]] returns a length", () => {
-    assertStrictEquals(toLength(9007199254740991), 9007199254740991);
-  });
-
-  it("[[Call]] returns a non·nan result", () => {
-    assertStrictEquals(toLength(NaN), 0);
-    assertStrictEquals(toLength("failure"), 0);
-  });
-
-  it("[[Call]] returns an integral result", () => {
-    assertStrictEquals(toLength(0.25), 0);
-    assertStrictEquals(toLength(1.1), 1);
-  });
-
-  it("[[Call]] returns a result greater than or equal to zero", () => {
-    assertStrictEquals(toLength(-0), 0);
-    assertStrictEquals(toLength(-1), 0);
-    assertStrictEquals(toLength(-Infinity), 0);
-  });
-
-  it("[[Call]] returns a result less than 2 ** 53", () => {
-    assertStrictEquals(toLength(9007199254740992), 9007199254740991);
-    assertStrictEquals(toLength(Infinity), 9007199254740991);
-  });
-});