50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package bytes_test
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import (
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"testing"
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"git.codemonkeysoftware.net/b/gigaparsec"
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"git.codemonkeysoftware.net/b/gigaparsec/bytes"
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"git.codemonkeysoftware.net/b/gigaparsec/cursor"
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"github.com/shoenig/test"
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"github.com/shoenig/test/must"
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"pgregory.net/rapid"
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)
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func Todo(t *testing.T) {
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t.Fatalf("TODO")
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}
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func TestRegexp(t *testing.T) {
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t.Run("only searches the beginning of input", Todo)
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t.Run("position is correct after match", Todo)
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t.Run("fails on unexpected error", Todo)
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t.Run("returns a useful Got value", rapid.MakeCheck(func(t *rapid.T) {
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}))
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t.Run("basically works", func(t *testing.T) {
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result, err := bytes.Regexp("a")(gigaparsec.MakeState(cursor.NewSlice([]byte("a"))))
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must.NoError(t, err)
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failed, _, msg := result.Failed()
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must.False(t, failed, must.Sprint(msg))
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succeeded, consumed, value, _, _ := result.Succeeded()
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test.True(t, succeeded)
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test.True(t, consumed)
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test.EqOp(t, "a", value)
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})
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}
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func TestRuneReader(t *testing.T) {
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var s = []byte("abcdefghijklmnopqrstuvwxyz")
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rr := bytes.NewRuneReader(cursor.NewSlice(s))
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for i, b := range s {
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r, n, err := rr.ReadRune()
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test.NoError(t, err)
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test.EqOp(t, 1, n)
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test.EqOp(t, r, rune(b))
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if t.Failed() {
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t.Fatalf("failed at %d", i)
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}
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}
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}
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