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qwen/nodejs/node_modules/json-stable-stringify-without-jsonify/test/replacer.js

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+var test = require('tape');
+var stringify = require('../');
+
+test('replace root', function (t) {
+	t.plan(1);
+
+	var obj = { a: 1, b: 2, c: false };
+	var replacer = function(key, value) { return 'one'; };
+
+	t.equal(stringify(obj, { replacer: replacer }), '"one"');
+});
+
+test('replace numbers', function (t) {
+	t.plan(1);
+
+	var obj = { a: 1, b: 2, c: false };
+	var replacer = function(key, value) {
+		if(value === 1) return 'one';
+		if(value === 2) return 'two';
+		return value;
+	};
+
+	t.equal(stringify(obj, { replacer: replacer }), '{"a":"one","b":"two","c":false}');
+});
+
+test('replace with object', function (t) {
+	t.plan(1);
+
+	var obj = { a: 1, b: 2, c: false };
+	var replacer = function(key, value) {
+		if(key === 'b') return { d: 1 };
+		if(value === 1) return 'one';
+		return value;
+	};
+
+	t.equal(stringify(obj, { replacer: replacer }), '{"a":"one","b":{"d":"one"},"c":false}');
+});
+
+test('replace with undefined', function (t) {
+	t.plan(1);
+
+	var obj = { a: 1, b: 2, c: false };
+	var replacer = function(key, value) {
+		if(value === false) return;
+		return value;
+	};
+
+	t.equal(stringify(obj, { replacer: replacer }), '{"a":1,"b":2}');
+});
+
+test('replace with array', function (t) {
+	t.plan(1);
+
+	var obj = { a: 1, b: 2, c: false };
+	var replacer = function(key, value) {
+		if(key === 'b') return ['one', 'two'];
+		return value;
+	};
+
+	t.equal(stringify(obj, { replacer: replacer }), '{"a":1,"b":["one","two"],"c":false}');
+});
+
+test('replace array item', function (t) {
+	t.plan(1);
+
+	var obj = { a: 1, b: 2, c: [1,2] };
+	var replacer = function(key, value) {
+		if(value === 1) return 'one';
+		if(value === 2) return 'two';
+		return value;
+	};
+
+	t.equal(stringify(obj, { replacer: replacer }), '{"a":"one","b":"two","c":["one","two"]}');
+});