string.bs

const unit_test =p_import("BScript.unit_test")
tester = unit_test.test()

// Test Case 0
let str = "Apple, Banana, Kiwi";
return_val = str.slice(7, 13)
// console.log(return_val)
tester.assertion(return_val=="Banana")

// Test Case 1
let str = "Apple, Banana, Kiwi";
return_val = str.length
// console.log(return_val)
tester.assertion(return_val==19)

// Test Case 2
let str = "Apple, Banana, Kiwi";
return_val = str.slice(null,2)
// console.log(return_val)
tester.assertion(return_val=="Ap")

// Test Case 3
let str = "Apple, Banana, Kiwi";
return_val = str.substr(7, 6)
// console.log(return_val)
tester.assertion(return_val=="Banana")

// Test Case 4
let str = "Apple, Banana, Kiwi";
return_val = str.substr(-4)    // Returns Kiwi
// console.log(return_val)
tester.assertion(return_val=="Kiwi")

// Test Case 5
let text = "Please visit Microsoft and Microsoft!";
let newText = text.replace("Microsoft", "W3Schools");
// console.log(newText)
tester.assertion(newText=="Please visit W3Schools and W3Schools!")

// Test Case 6
let text1 = "Hello World!";       // String
let text2 = text1.toUpperCase()
// console.log(text2)
tester.assertion(text2=="HELLO WORLD!")

// Test Case 7
let text1 = "Hello World!";       // String
let text2 = text1.toLowerCase();  // text2 is text1 converted to lower
// console.log(text2)
tester.assertion(text2=="hello world!")

// Test Case 8
let text1 = "Hello";
let text2 = "World";
let text3 = text1.concat(" ",text2);
// console.log(text3)
tester.assertion(text3=="Hello World")

// Test Case 9
let text = "5";
let text2 = text.padStart(4,"0") // Returns 0005
// console.log(text2)
tester.assertion(text2=="0005")

// Test Case 10
let text = "5";
let text2 = text.padEnd(4,"0")     // Returns 5000
// console.log(text2)
tester.assertion(text2=="5000")

// Test Case 11
let text = "HELLO WORLD";
let text2 = text.charAt(0)           // Returns H
// console.log(text2)
tester.assertion(text2=="H")

// Test Case 12
let text = "HELLO WORLD";
let text2 = text.charCodeAt(0)       // Returns 72
// console.log(text2)
tester.assertion(text2==72)

// Test Case 13
let text = "a,b,c,d,e,f";
const myArray = text.split(",");
// console.log(myArray[0])
tester.assertion(myArray[0]=="a")

// Test Case 14
let str = "Please locate where 'locate' occurs!";
let index = str.indexOf("locate")    // Returns 7
// console.log(index)
tester.assertion(index==7)

// Test Case 15
let str = "Please locate where 'locate' occurs!";
let index = str.lastIndexOf("locate")    // Returns 21
// console.log(index)
tester.assertion(index==21)

// let str = "Please locate where 'locate' occurs!";
// let index = str.lastIndexOf("John")    // Raise Value Error
// // console.log(index)

// Test Case 16
let str = "Please locate where 'locate' occurs!";
let index = str.indexOf("locate", 15)  
// console.log(index)
tester.assertion(index==21)

// Test Case 17
let str = "Please locate where 'locate' occurs!";
let index  = str.search("locate")     // Returns 7
// console.log(index)
tester.assertion(index==7)

// Test Case 18
let text = "Hello world, welcome to the universe.";
let is_include = text.includes("world")
// console.log(is_include)
tester.assertion(is_include)

// Test Case 19
let text = "Hello world, welcome to the universe.";
let is = text.startsWith("world")    // Returns false
// console.log(is)
tester.assertion()

// Test Case 20
let text = "Hello world, welcome to the universe.";
let is = text.startsWith("world", 5)    // Returns false
// console.log(is)
tester.assertion(is==false)

// Test Case 21
let text = "Hello world, welcome to the universe.";
let is = text.startsWith("world", 6)    // Returns true
// console.log(is)
tester.assertion(is)

// Test Case 22
var text = "John Doe";
let is = text.endsWith("Doe")    // Returns true
// console.log(is)
tester.assertion(is)
// Test Case 22
var text = "John Doe";
let is = text.substring(2,4)    // Returns true
// console.log(is)
tester.assertion(is=="hn")
tester.finalize()