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LibJS: Support spreading of strings and string objects
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parent
bcd5e97286
commit
30fe1b5d58
3 changed files with 60 additions and 19 deletions
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@ -24,17 +24,17 @@ try {
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assert(testArray(arr));
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assertThrowsError(() => {
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[...1];
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[...1];
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}, {
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error: TypeError,
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message: "1 is not iterable",
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error: TypeError,
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message: "1 is not iterable",
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});
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assertThrowsError(() => {
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[...{}];
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[...{}];
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}, {
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error: TypeError,
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message: "[object Object] is not iterable",
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error: TypeError,
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message: "[object Object] is not iterable",
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});
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console.log("PASS");
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31
Libraries/LibJS/Tests/string-spread.js
Normal file
31
Libraries/LibJS/Tests/string-spread.js
Normal file
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@ -0,0 +1,31 @@
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load("test-common.js");
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function testArray(arr) {
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return arr.length === 4 &&
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arr[0] === "a" &&
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arr[1] === "b" &&
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arr[2] === "c" &&
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arr[3] === "d";
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}
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try {
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var arr;
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arr = ["a", ..."bc", "d"];
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assert(testArray(arr));
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let s = "bc";
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arr = ["a", ...s, "d"];
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assert(testArray(arr));
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let obj = { a: "bc" };
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arr = ["a", ...obj.a, "d"];
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assert(testArray(arr));
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arr = [..."", ...[...new String("abc")], "d"];
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assert(testArray(arr));
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console.log("PASS");
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} catch (e) {
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console.log("FAIL: " + e);
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}
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