tests/stress/string-raw.js

   1 function shouldBe(actual, expected) {
   2     if (actual !== expected)
   3         throw new Error(`bad value: ${actual}`);
   4 }
   5
   6 function shouldThrow(func, errorMessage) {
   7     var errorThrown = false;
   8     var error = null;
   9     try {
  10         func();
  11     } catch (e) {
  12         errorThrown = true;
  13         error = e;
  14     }
  15     if (!errorThrown)
  16         throw new Error('not thrown');
  17     if (String(error) !== errorMessage)
  18         throw new Error(`bad error: ${String(error)}`);
  19 }
  20
  21 shouldBe(String.raw.name, 'raw');
  22 shouldBe(String.raw.length, 1);
  23
  24 shouldThrow(function () {
  25     String.raw();
  26 }, "TypeError: String.raw requires template not be null or undefined");
  27
  28 shouldThrow(function () {
  29     String.raw(undefined);
  30 }, "TypeError: String.raw requires template not be null or undefined");
  31
  32 shouldThrow(function () {
  33     String.raw({ raw: undefined });
  34 }, "TypeError: String.raw requires template.raw not be null or undefined");
  35
  36 shouldThrow(function () {
  37     String.raw({ raw: null });
  38 }, "TypeError: String.raw requires template.raw not be null or undefined");
  39
  40 shouldThrow(function () {
  41     String.raw({
  42         get length() {
  43             return new Error('template.length called');
  44         },
  45
  46         raw: {
  47             get length() {
  48                 throw new Error("template.raw.length called");
  49             }
  50         }
  51     });
  52 }, "Error: template.raw.length called");
  53
  54 shouldBe(String.raw({
  55     raw: {
  56         length: -1
  57     }
  58 }), "");
  59
  60 shouldBe(String.raw({
  61     raw: {
  62         length: -2.5
  63     }
  64 }), "");
  65
  66 shouldBe(String.raw({
  67     raw: {
  68         length: -Infinity
  69     }
  70 }), "");
  71
  72 shouldBe(String.raw({
  73     raw: {
  74         length: 0
  75     }
  76 }), "");
  77
  78 shouldBe(String.raw({
  79     raw: {
  80         length: NaN
  81     }
  82 }), "");
  83
  84 function generateTemplate() {
  85     var cooked = [];
  86     cooked.raw = Array.from(arguments);
  87     return cooked;
  88 }
  89
  90 shouldBe(String.raw(generateTemplate("", ",", ",", ""), "Cocoa", "Cappuccino", "Matcha"), "Cocoa,Cappuccino,Matcha");
  91 shouldBe(String.raw(generateTemplate("", ",", ",", ""), "Cocoa", "Cappuccino", "Matcha", "Hello"), "Cocoa,Cappuccino,Matcha");
  92 shouldBe(String.raw(generateTemplate("", ",", ",", ""), "Cocoa", "Cappuccino"), "Cocoa,Cappuccino,");
  93 shouldBe(String.raw(generateTemplate("", ",", ",", ""), "Cocoa"), "Cocoa,,");
  94 shouldBe(String.raw(generateTemplate("", ",", ",", "")), ",,");
  95
  96 function Counter(p) {
  97     var count = 0;
  98     return {
  99         toString() {
 100             return count++;
 101         }
 102     };
 103 }
 104
 105 var counter = Counter();
 106 shouldBe(String.raw(generateTemplate(counter, counter, counter, counter)), "0123");
 107 var counter = Counter();
 108 shouldBe(String.raw(generateTemplate(counter, counter, counter, counter), counter), "01234");
 109 var counter = Counter();
 110 shouldBe(String.raw(generateTemplate(counter, counter, counter, counter), counter, counter), "012345");
 111 var counter = Counter();
 112 shouldBe(String.raw(generateTemplate(counter, counter, counter, counter), counter, counter, counter), "0123456");
 113 var counter = Counter();
 114 shouldBe(String.raw(generateTemplate(counter, counter, counter, counter), counter, counter, counter, counter), "0123456");
 115 var counter = Counter();
 116 shouldBe(String.raw(generateTemplate(counter, counter, counter, counter), counter, counter, counter, counter), "0123456");
 117 var counter = Counter();
 118 shouldBe(String.raw(generateTemplate(counter, counter, counter, counter), counter, counter, counter, counter, counter), "0123456");
 119
 120
 121 shouldBe(String.raw({
 122     raw: {
 123         length: 3.5,
 124         0: "a",
 125         1: "b",
 126         2: "c"
 127     }
 128 }, "d", "e", "f", "g"), "adbec");
 129
 130 shouldBe(String.raw({
 131     raw: {
 132         length: 2.3,
 133         0: "a",
 134         1: "b",
 135         2: "c"
 136     }
 137 }, "d", "e", "f", "g"), "adb");
 138
 139 shouldBe(String.raw({
 140     raw: {
 141         length: 2.3,
 142         0: "a",
 143         2: "c"
 144     }
 145 }, "d", "e", "f", "g"), "adundefined");
 146
 147 shouldBe(String.raw({
 148     raw: {
 149         length: 2.3,
 150         0: "a",
 151         1: "b",
 152         2: "c"
 153     }
 154 }, undefined, "e", "f", "g"), "aundefinedb");