elvish/pkg/eval/vals/string_test.go
Qi Xiao 6e36058d0a pkg/tt: Improve API.
- Use reflection to derive function name.

- Take test cases as variadic arguments, instead of requiring them to be wrapped
  in a Table.

- Support naming test cases.

- Run test cases as subtests with t.Run.
2024-01-11 15:42:43 +00:00

36 lines
763 B
Go

package vals
import (
"bytes"
"testing"
"src.elv.sh/pkg/tt"
)
func TestToString(t *testing.T) {
tt.Test(t, ToString,
// string
Args("a").Rets("a"),
Args(1).Rets("1"),
// float64
Args(0.1).Rets("0.1"),
Args(42.0).Rets("42.0"),
// Whole numbers with more than 14 digits and trailing 0 are printed in
// scientific notation.
Args(1e13).Rets("10000000000000.0"),
Args(1e14).Rets("1e+14"),
Args(1e14+1).Rets("100000000000001.0"),
// Numbers smaller than 0.0001 are printed in scientific notation.
Args(0.0001).Rets("0.0001"),
Args(0.00001).Rets("1e-05"),
Args(0.00009).Rets("9e-05"),
// Stringer
Args(bytes.NewBufferString("buffer")).Rets("buffer"),
// None of the above: delegate to Repr
Args(true).Rets("$true"),
)
}