assertEquals('&', CharacterReference::lookupName('amp')); $this->assertEquals('<', CharacterReference::lookupName('lt')); $this->assertEquals('>', CharacterReference::lookupName('gt')); $this->assertEquals('"', CharacterReference::lookupName('quot')); $this->assertEquals('∌', CharacterReference::lookupName('NotReverseElement')); $this->assertNull(CharacterReference::lookupName('StinkyCheese')); } public function testLookupHex() { $this->assertEquals('<', CharacterReference::lookupHex('3c')); $this->assertEquals('<', CharacterReference::lookupHex('003c')); $this->assertEquals('&', CharacterReference::lookupHex('26')); $this->assertEquals('}', CharacterReference::lookupHex('7d')); $this->assertEquals('Σ', CharacterReference::lookupHex('3A3')); $this->assertEquals('Σ', CharacterReference::lookupHex('03A3')); $this->assertEquals('Σ', CharacterReference::lookupHex('3a3')); $this->assertEquals('Σ', CharacterReference::lookupHex('03a3')); } public function testLookupDecimal() { $this->assertEquals('&', CharacterReference::lookupDecimal(38)); $this->assertEquals('&', CharacterReference::lookupDecimal('38')); $this->assertEquals('<', CharacterReference::lookupDecimal(60)); $this->assertEquals('Σ', CharacterReference::lookupDecimal(931)); $this->assertEquals('Σ', CharacterReference::lookupDecimal('0931')); } }