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// Copyright (C) 2023 Luke Shumaker <lukeshu@lukeshu.com>
//
// SPDX-License-Identifier: GPL-2.0-or-later
package internal
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestParserHandleRune(t *testing.T) {
t.Parallel()
type testcase struct {
Input string
ExpStack []string
}
testcases := map[string]testcase{
// Keep these test-cases in-sync with the examples in parse.go.
"object": {
Input: `{"x":"y","a":"b"}`,
ExpStack: []string{
// st,// processed
`?`,
`{`, // {
`»"`, // {"
`»"`, // {"x
`»`, // {"x"
`o?`, // {"x":
`o"`, // {"x":"
`o"`, // {"x":"y
`o`, // {"x":"y"
`{`, // {"x":"y",
`»"`, // {"x":"y","
`»"`, // {"x":"y","a
`»`, // {"x":"y","a"
`o?`, // {"x":"y","a":
`o"`, // {"x":"y","a":"
`o"`, // {"x":"y","a":"b
`o`, // {"x":"y","a":"b"
``, // {"x":"y","a":"b"}
},
},
"array": {
Input: `["x","y"]`,
ExpStack: []string{
// st,// processed
`?`,
`[`, // [
`a"`, // ["
`a"`, // ["x
`a`, // ["x"
`a?`, // ["x",
`a"`, // ["x","
`a"`, // ["x","y
`a`, // ["x","y"
``, // ["x","y"]
},
},
}
for tcName, tc := range testcases {
tc := tc
t.Run(tcName, func(t *testing.T) {
t.Parallel()
var par Parser
if !assert.Equal(t, len(tc.Input)+1, len(tc.ExpStack)) {
return
}
for i, r := range tc.Input {
assert.Equal(t, tc.ExpStack[i], par.stackString())
_, err := par.HandleRune(r)
assert.NoError(t, err)
assert.Equal(t, tc.ExpStack[i+1], par.stackString())
}
})
}
}
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