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interpreter_test.go
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interpreter_test.go
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package main
import (
"bytes"
"embed"
"testing"
"github.com/stretchr/testify/assert"
)
var _ = new(embed.FS)
//go:embed test/basicStackExample.ns
var basicStackExample string
//go:embed test/basicStackExample.expect
var basicStackExampleExpect string
//go:embed test/hello.ns
var hello string
//go:embed test/hello.expect
var helloExpect string
//go:embed test/alphabet.ns
var alphabet string
//go:embed test/alphabet.expect
var alphabetExpect string
//go:embed test/printNumber.ns
var printNumber string
//go:embed test/printNumber.expect
var printNumberExpect string
//go:embed test/fibonacci.ns
var fibonacci string
//go:embed test/fibonacci.expect
var fibonacciExpect string
type testCase struct {
name string
script string
expect string
}
var testCases []testCase
func init() {
testCases = []testCase{
{
name: "print 0",
script: "48π",
expect: "0",
},
{
name: "print a",
script: "97π",
expect: "a",
},
{
name: "print A",
script: "65π",
expect: "A",
},
{
name: "basicStackExample",
script: basicStackExample,
expect: basicStackExampleExpect,
},
{
name: "alphabet",
script: alphabet,
expect: alphabetExpect,
},
{
name: "hello",
script: hello,
expect: helloExpect,
},
{
name: "printNumber",
script: printNumber,
expect: printNumberExpect,
},
{
name: "fibonacci",
script: fibonacci,
expect: fibonacciExpect,
},
}
}
func TestInterpreter(t *testing.T) {
for _, tc := range testCases {
t.Run(tc.name, func(tt *testing.T) {
var buf = new(bytes.Buffer)
intrptr := newInterpreter()
intrptr.writer = buf
intrptr.exec([]rune(tc.script))
assert.Equal(tt, tc.expect, buf.String())
})
}
}