backend v4 half

SerpentRace_Backend/node_modules/libphonenumber-js/source/findNumbers/util.test.js

@@ -0,0 +1,39 @@
+import {
+	limit,
+	trimAfterFirstMatch,
+	startsWith,
+	endsWith
+} from './util.js'
+
+describe('findNumbers/util', () =>
+{
+	it('should generate regexp limit', () =>
+	{
+		let thrower = () => limit(1, 0)
+		thrower.should.throw()
+
+		thrower = () => limit(-1, 1)
+		thrower.should.throw()
+
+		thrower = () => limit(0, 0)
+		thrower.should.throw()
+	})
+
+	it('should trimAfterFirstMatch', () =>
+	{
+		trimAfterFirstMatch(/\d/, 'abc123').should.equal('abc')
+		trimAfterFirstMatch(/\d/, 'abc').should.equal('abc')
+	})
+
+	it('should determine if a string starts with a substring', () =>
+	{
+		startsWith('𐍈123', '𐍈').should.equal(true)
+		startsWith('1𐍈', '𐍈').should.equal(false)
+	})
+
+	it('should determine if a string ends with a substring', () =>
+	{
+		endsWith('123𐍈', '𐍈').should.equal(true)
+		endsWith('𐍈1', '𐍈').should.equal(false)
+	})
+})