Function TestScanner

scanner_test.go:14–43

(t *testing.T)

}

func TestScanner(t *testing.T) {
	tests := []test{
		{"", []token{}},
		{"-", []token{{t: '-'}}},
		{"--[\n\n\r--]", []token{}},
		{"-- hello, world\n", []token{}},
		{"=", []token{{t: '='}}},
		{"==", []token{{t: tkEq}}},
		{"\"hello, world\"", []token{{t: tkString, s: "hello, world"}}},
		{"[[hello,\r\nworld]]", []token{{t: tkString, s: "hello,\n\nworld"}}},
		{".", []token{{t: '.'}}},
		{"..", []token{{t: tkConcat}}},
		{"...", []token{{t: tkDots}}},
		{".34", []token{{t: tkNumber, n: 0.34}}},
		{"_foo", []token{{t: tkName, s: "_foo"}}},
		{"3", []token{{t: tkNumber, n: float64(3)}}},
		{"3.0", []token{{t: tkNumber, n: 3.0}}},
		{"3.1416", []token{{t: tkNumber, n: 3.1416}}},
		{"314.16e-2", []token{{t: tkNumber, n: 3.1416}}},
		{"0.31416E1", []token{{t: tkNumber, n: 3.1416}}},
		{"0xff", []token{{t: tkNumber, n: float64(0xff)}}},
		{"0x0.1E", []token{{t: tkNumber, n: 0.1171875}}},
		{"0xA23p-4", []token{{t: tkNumber, n: 162.1875}}},
		{"0X1.921FB54442D18P+1", []token{{t: tkNumber, n: 3.141592653589793}}},
		{"  -0xa  ", []token{{t: '-'}, {t: tkNumber, n: 10.0}}},
	}
	for i, v := range tests {
		testScanner(t, i, v.source, v.tokens)
	}
}

func testScanner(t *testing.T, n int, source string, tokens []token) {
	s := scanner{r: strings.NewReader(source)}