if !Compare(x, token.EQL, y) {
			t.Errorf("%s: %s != %s", test, x, y)
		}
	}
}

// TestNumbers verifies that differently written literals
// representing the same number do have the same value.
func TestNumbers(t *testing.T) {
	testNumbers(t, token.INT, intTests)
	testNumbers(t, token.FLOAT, floatTests)
	testNumbers(t, token.IMAG, imagTests)
}

var opTests = []string{
	// unary operations
	`+ 0 = 0`,

	}
	if _, err := c.root.AddParseTree("t1", c.root.Tree); err == nil || !strings.Contains(err.Error(), "Execute") {
		t.Errorf("AddParseTree: %v\nwanted error about already having Executed", err)
	}
}

func TestNumbers(t *testing.T) {
	c := newTestCase(t)
	c.mustParse(c.root, `{{print 1_2.3_4}} {{print 0x0_1.e_0p+02}}`)
	c.mustExecute(c.root, nil, "12.34 7.5")
}

		}
		if got.text != want.text {
			t.Errorf("%q: got %q; want %q", test.src, got.text, want.text)
		}
	}
}

func TestNumbers(t *testing.T) {
	for _, test := range []struct {
		kind             LitKind
		src, tokens, err string
	}{
		// binaries
		{IntLit, "0b0", "0b0", ""},
		{IntLit, "0b1010", "0b1010", ""},

		const want = `"`
		if got != want {
			t.Errorf("got %q; want %q", got, want)
		}
	}
	for r := s.Scan(); r != EOF; r = s.Scan() {
	}
}

func TestNumbers(t *testing.T) {
	for _, test := range []struct {
		tok              rune
		src, tokens, err string
	}{
		// binaries
		{Int, "0b0", "0b0", ""},
		{Int, "0b1010", "0b1010", ""},

				s.Init(file, src, nil, ScanComments)
				for {
					_, tok, _ := s.Scan()
					if tok == token.EOF {
						break
					}
				}
			}
		})
	}
}

func TestNumbers(t *testing.T) {
	for _, test := range []struct {
		tok              token.Token
		src, tokens, err string
	}{
		// binaries
		{token.INT, "0b0", "0b0", ""},
		{token.INT, "0b1010", "0b1010", ""},