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83 lines
1.7 KiB
83 lines
1.7 KiB
var test = require("tape") |
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var extend = require("./") |
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var mutableExtend = require("./mutable") |
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test("merge", function(assert) { |
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var a = { a: "foo" } |
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var b = { b: "bar" } |
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assert.deepEqual(extend(a, b), { a: "foo", b: "bar" }) |
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assert.end() |
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}) |
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test("replace", function(assert) { |
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var a = { a: "foo" } |
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var b = { a: "bar" } |
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assert.deepEqual(extend(a, b), { a: "bar" }) |
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assert.end() |
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}) |
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test("undefined", function(assert) { |
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var a = { a: undefined } |
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var b = { b: "foo" } |
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assert.deepEqual(extend(a, b), { a: undefined, b: "foo" }) |
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assert.deepEqual(extend(b, a), { a: undefined, b: "foo" }) |
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assert.end() |
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}) |
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test("handle 0", function(assert) { |
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var a = { a: "default" } |
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var b = { a: 0 } |
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assert.deepEqual(extend(a, b), { a: 0 }) |
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assert.deepEqual(extend(b, a), { a: "default" }) |
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assert.end() |
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}) |
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test("is immutable", function (assert) { |
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var record = {} |
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extend(record, { foo: "bar" }) |
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assert.equal(record.foo, undefined) |
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assert.end() |
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}) |
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test("null as argument", function (assert) { |
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var a = { foo: "bar" } |
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var b = null |
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var c = void 0 |
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assert.deepEqual(extend(b, a, c), { foo: "bar" }) |
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assert.end() |
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}) |
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test("mutable", function (assert) { |
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var a = { foo: "bar" } |
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mutableExtend(a, { bar: "baz" }) |
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assert.equal(a.bar, "baz") |
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assert.end() |
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}) |
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test("null prototype", function(assert) { |
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var a = { a: "foo" } |
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var b = Object.create(null) |
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b.b = "bar"; |
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assert.deepEqual(extend(a, b), { a: "foo", b: "bar" }) |
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assert.end() |
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}) |
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test("null prototype mutable", function (assert) { |
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var a = { foo: "bar" } |
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var b = Object.create(null) |
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b.bar = "baz"; |
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mutableExtend(a, b) |
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assert.equal(a.bar, "baz") |
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assert.end() |
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})
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