ReoScript/Source/TestCase/tests/009_array.xml at master · unvell/ReoScript · GitHub

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<?xml version="1.0" encoding="utf-8" ?>

<!--

/*****************************************************************************

* ReoScript - .NET Script Language Engine

* https://github.com/unvell/ReoScript

* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY

* KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR

* PURPOSE.

* This software released under MIT license.

****************************************************************************/

-->

<test-suite id="009" name="array">

<test-case id="001">

var t = debug.assert;

var arr = [1,2,3,4,5,6,7];

t( arr.length == 7 );

t( arr[0] == 1 );

t( arr[6] == 7 );

</script>

</test-case>

<test-case id="002">

var t = debug.assert;

var arr = [];

arr.push(1);

arr.push(2, 3, 4);

arr.push(5, 6, 7);

t( arr.length == 7 );

t( arr[0] == 1 );

t( arr[6] == 7 );

</script>

</test-case>

<test-case id="003">

var t = debug.assert;

var arr = [1,2,3,4,5];

arr[0] = 9;

t( arr[0] + arr[1] == 11 );

</script>

</test-case>

<test-case id="004" name="remove element">

var t = debug.assert;

var arr = [1,2,3,4,5];

arr.splice(0,1);

t(arr.length==4);

arr.splice(1,1,10,11);

t(arr.length==5);

t(arr[0] == 2);

t(arr[1] == 10);

t(arr[2] == 11);

t(arr[3] == 4);

t(arr[4] == 5);

</script>

</test-case>

<test-case id="005" name="remove in iteration">

var t = debug.assert;

var arr = [1,2,3,4,5];

for(e in arr)

if(e==3) arr.splice(2,1);

t( arr.length == 4 );

t( arr[0] == 1 );

t( arr[1] == 2 );

t( arr[2] == 4 );

t( arr[3] == 5 );

</script>

</test-case>

<test-case id="006" name="constructor">

var t = debug.assert;

var arr = new Array(1,2,3,4,5,6,7);

t( arr.length == 7 );

t( arr[0] == 1 );

t( arr[6] == 7 );

</script>

</test-case>

<test-case id="007" name="indexOf">

var t = debug.assert;

var fun = function() { };

var arr = new Array(null, 3, "hello", function() { }, fun, 7);

t( arr.indexOf(3) == 1 );

t( arr.indexOf(fun) == 4 );

t( arr.indexOf('hello') == 2 );

</script>

</test-case>

<test-case id="008" name="join">

var t = debug.assert;

var arr = ['apple', 'banana', 'orange'];

var str = arr.join();

t(str, 'apple,banana,orange');

arr = [1,2,3,4,5];

str = arr.join(':');

t(str, '1:2:3:4:5');

</script>

</test-case>

<test-case id="010" name="call from array">

var t = debug.assert;

var a = 1, b = 2, c = 3;

var arr = [ a, b, c, b * c, a + c];

t( arr[0] == 1 );

t( arr[1] == 2 );

t( arr[2] == 3 );

t( arr[3] == 6 );

t( arr[4] == 4 );

arr[0] = function() {

return (a + b) * 2;

};

t( arr[0]() == 6 );

a = 15;

b = 5;

t( arr[0]() == 40 );

</script>

</test-case>

<test-case id="011" name="auto resize">

var t = debug.assert;

var arr = [ 1,2,3 ];

t( arr.length, 3 );

arr[9] = 10;

t( arr.length === 10 );

</script>

</test-case>

<test-case id="100" name="where">

<![CDATA[

var t = debug.assert;

var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];

var brr = arr.where(n => n < 5);

t( brr.equals([1, 2, 3, 4]) );

]]>

</test-case>

<test-case id="101" name="first">

<![CDATA[

]]>

</test-case>

<test-case id="102" name="last">

<![CDATA[

]]>

</test-case>

<test-case id="103" name="map">

<![CDATA[

var t = debug.assert;

var teq = (no, a, b) => t(a.equals(b), true, "failed at #" + no);

/////////////////////////////////

var array1 = [1, 4, 9, 16];

teq(1, array1.map(x => x * 2), [2, 8, 18, 32]);

teq(2, array1, [1, 4, 9, 16]);

teq(3, [1, 4, 9].map(num => Math.sqrt(num)), [1, 2, 3]);

/////////////////////////////////

var kvArray = [{key: 1, value: 10},

{key: 2, value: 20},

{key: 3, value: 30}];

var reformattedArray = kvArray.map(obj => {

var rObj = {};

rObj[obj.key] = obj.value;

return rObj;

});

t( reformattedArray[0][1], 10 );

t( reformattedArray[1][2], 20 );

t( reformattedArray[2][3], 30 );

/////////////////////////////////

var map = Array.prototype.map;

var a = map.call('Hello World', function(x) {

return x.charCodeAt(0);

});

teq(4, a, [72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100] );

]]>

</test-case>

<test-case id="104" name="reduce">

<![CDATA[

var t = debug.assert;

var teq = (no, a, b) => t(a.equals(b), true, "failed at #" + no);

// Test code refer to https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce

var reducer = (accumulator, currentValue) => accumulator + currentValue;

t( [1, 2, 3, 4].reduce(reducer), 10 );

t( [1, 2, 3, 4].reduce(reducer, 5), 15 );

t( [0, 1, 2, 3].reduce((a, c) => a + c), 6);

t( [{x: 1}, {x: 2}, {x: 3}].reduce((a, c) => a + c.x), 6);

teq(1, [[0, 1], [2, 3], [4, 5]].reduce((a, c) => a.concat(c), []), [0, 1, 2, 3, 4, 5]);

/////////////////////////////////

var names = ['Alice', 'Bob', 'Tiff', 'Bruce', 'Alice'];

var countedNames = names.reduce(function(allNames, name) {

if (allNames.hasOwnProperty(name)) { // if (a in b)

allNames[name]++;

}

else {

allNames[name] = 1;

}

return allNames;

}, {});

// expect: { 'Alice': 2, 'Bob': 1, 'Tiff': 1, 'Bruce': 1 }

t( countedNames["Alice"], 2 );

t( countedNames["Bob"], 1 );

t( countedNames["Tiff"], 1 );

t( countedNames["Bruce"], 1 );

/////////////////////////////////

var people = [

{ name: 'Alice', age: 21 },

{ name: 'Max', age: 20 },

{ name: 'Jane', age: 20 }

];

function groupBy(objectArray, property) {

return objectArray.reduce(function (acc, obj) {

var key = obj[property];

if (!acc[key]) {

acc[key] = [];

}

acc[key].push(obj);

return acc;

}, {});

}

// Exception happen - can't access outer variable from closure function

// var groupedPeople = groupBy(people, 'age');

// groupedPeople is:

// {

// 20: [

// { name: 'Max', age: 20 },

// { name: 'Jane', age: 20 }

// ],

// 21: [{ name: 'Alice', age: 21 }]

// }

// t( groupedPeople["20"]["Max"], 20 ); // failed on this test

]]>

</test-case>

<test-case id="105" name="concat">

<![CDATA[

var t = debug.assert;

var teq = (no, a, b) => t(a.equals(b), true, "failed at #" + no);

teq(1, [1,2,3].concat([4,5,6], "abb"), [1,2,3,4,5,6,"abb"]);

teq(2, [1,2,3].concat(4, 5, 6), [1,2,3,4,5,6]);

teq(3, [1,2,3].concat([4, 5], null), [1,2,3,4,5,null]);

teq(4, [1,2,3].concat([3, 3, null], 3, 4), [1,2,3,3,3,null,3,4] );

teq(5, [].concat([]), [] );

teq(6, [].concat([null]), [null] );

teq(7, ["abc"].concat(["def"]), ["abc","def"] );

teq(8, ["abc"].concat("def", ["ghi"], "j", "k"), ["abc","def", "ghi", "j", "k"] );

]]>

</test-case>

<test-case id="106" name="">

<![CDATA[

]]>

</test-case>

</test-suite>

ReoScript/Source/TestCase/tests/009_array.xml at master · unvell/ReoScript · GitHub

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