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Test the basic part #8

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28 changes: 20 additions & 8 deletions __tests__/pieceOfCake/array_spec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ describe('for array', () => {

// <--start
// Please write down the correct result. You should write the result directly.
const expected = undefined;
const expected = 3;
// --end->

expect(array[2]).toEqual(expected);
Expand All @@ -15,7 +15,9 @@ describe('for array', () => {

// <--start
// Please write one line of code to push some elements in the array to pass the test

// const newArray=[6,7,8];
// array.push(...newArray);
array.push(6, 7, 8);
// --end->

expect(array).toEqual([1, 2, 3, 4, 5, 6, 7, 8]);
Expand All @@ -27,7 +29,7 @@ describe('for array', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = [9,1,2,3,4,5,10];
// --end->

expect(newArray).toEqual(expected);
Expand All @@ -38,8 +40,8 @@ describe('for array', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expectedRow = undefined;
const expectedColumn = undefined;
const expectedRow = 2;
const expectedColumn = 3;
// --end->

expect(row).toEqual(expectedRow);
Expand All @@ -52,7 +54,7 @@ describe('for array', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = [2,4];
// --end->

expect(filtered).toEqual(expected);
Expand All @@ -64,7 +66,13 @@ describe('for array', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = [
'Unit 1 for element at index 0',
'Unit 2 for element at index 1',
'Unit 3 for element at index 2',
'Unit 4 for element at index 3',
'Unit 5 for element at index 4',
];
// --end->

expect(mapped).toEqual(expected);
Expand All @@ -74,9 +82,13 @@ describe('for array', () => {
const numbers = [1, 2, 3, 4, 5];
const reduced = numbers.reduce((prev, current) => prev + current);

// const initialValue=100;
// const reducedWithInitialValue = numbers.reduce((prev, current) => prev + current,initialValue);
// console.log(reducedWithInitialValue);

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 15;
// --end->

expect(reduced).toEqual(expected);
Expand Down
34 changes: 30 additions & 4 deletions __tests__/pieceOfCake/boolean_spec.js
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@@ -1,16 +1,34 @@
describe('for boolean type', () => {
it('should convert to same type then compare for equality operator', () => {
//https://github.com/mqyqingfeng/Blog/issues/41

const objectLeft = { key: 'value' };
const objectRight = { key: 'value' };

const actual = [
// eslint-disable-next-line no-self-compare, eqeqeq, yoda
1 == 1, '1' == 1, 1 == '1', 0 == false, 0 == null, objectLeft == objectRight, 0 == undefined, null == undefined,
1 == 1,
'1' == 1,
1 == '1',
0 == false,
0 == null,
objectLeft == objectRight,
0 == undefined,
null == undefined, //???
];

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = [
true,
true,
true,
true,
false,
false,
false,
true,
];
// --end->

expect(actual).toEqual(expected);
Expand All @@ -22,12 +40,20 @@ describe('for boolean type', () => {

const actual = [
// eslint-disable-next-line no-self-compare, eqeqeq, yoda
3 === 3, 3 === '3', objectLeft === objectRight, null === undefined,
3 === 3,
3 === '3',
objectLeft === objectRight,
null === undefined,
];

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = [
true,
false,
false,
false
];
// --end->

expect(actual).toEqual(expected);
Expand Down
43 changes: 22 additions & 21 deletions __tests__/pieceOfCake/function_spec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 'Hello World';
// --end->

expect(outerFunction()).toEqual(expected);
Expand All @@ -26,7 +26,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 'Hello World';
// --end->

expect(greeting(sayHello, 'World')).toEqual(expected);
Expand All @@ -37,7 +37,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 36;
// --end->

expect(square(6, 'Hello', 4)).toEqual(expected);
Expand All @@ -51,8 +51,8 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expectedForSingleArgument = undefined;
const expectedForTwoArguments = undefined;
const expectedForSingleArgument = -5;
const expectedForTwoArguments = 2;
// --end->

expect(minus(5)).toEqual(expectedForSingleArgument);
Expand All @@ -70,7 +70,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 16;
// --end->

expect(power(4)).toEqual(expected);
Expand All @@ -89,8 +89,8 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expectedReturnValue = undefined;
const expectedWord = undefined;
const expectedReturnValue = 'Changed';
const expectedWord = 'Origin';
// --end->

expect(returnValue).toEqual(expectedReturnValue);
Expand All @@ -110,10 +110,12 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expectedName = undefined;
const expectedReturnValueName = undefined;
const expectedName = 'Bob';
const expectedReturnValueName = 'Bob';
// --end->

// console.log(returnValue===person);

expect(person.name).toEqual(expectedName);
expect(returnValue.name).toEqual(expectedReturnValueName);
});
Expand All @@ -128,7 +130,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 'Hello';
// --end->

expect(actual).toEqual(expected);
Expand All @@ -145,7 +147,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 'Changed';
// --end->

expect(guessIfIAmChanged).toEqual(expected);
Expand All @@ -163,10 +165,9 @@ describe('for function', () => {

return find(1, '1');
}

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = '(((1 * 3) + 5) * 3)';
// --end->

expect(findSolution(24)).toEqual(expected);
Expand All @@ -183,7 +184,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 6;
// --end->

expect(sum(1, 2, 3)).toEqual(expected);
Expand All @@ -200,7 +201,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 6;
// --end->

const parameters = [1, 2, 3];
Expand All @@ -223,7 +224,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 25;
// --end->

expect(actual).toEqual(expected);
Expand All @@ -238,7 +239,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = [0,3,6];
// --end->

expect(labels).toEqual(expected);
Expand All @@ -253,7 +254,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = false;
// --end->

expect(greaterThan10(3)).toEqual(expected);
Expand All @@ -269,7 +270,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 11;
// --end->

expect(actual).toEqual(expected);
Expand All @@ -289,7 +290,7 @@ describe('for function', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = [0,2,4];
// --end->

expect(logs).toEqual(expected);
Expand Down
5 changes: 3 additions & 2 deletions __tests__/pieceOfCake/numbers_spec.js
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Expand Up @@ -4,7 +4,8 @@ describe('for numbers', () => {

// <--start
// Please write down the correct value. You should write the final result directly.
const expected = undefined;
const expected = 0.75;
//1?
// --end->

expect(dividingResult).toEqual(expected);
Expand All @@ -15,7 +16,7 @@ describe('for numbers', () => {

// <--start
// Please write an expression determine if `notNumber` is NaN.
const isNan = undefined;
const isNan = isNaN(notNumber);
// --end->

expect(isNan).toBeTruthy();
Expand Down
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