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Copy pathutil_test.go
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144 lines (135 loc) · 4.22 KB
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package js
import (
"io"
"testing"
"github.com/tdewolff/parse/v2"
"github.com/tdewolff/parse/v2/js"
"github.com/tdewolff/test"
)
func TestBinaryNumber(t *testing.T) {
test.Bytes(t, binaryNumber([]byte("0b0"), 0), []byte("0"))
test.Bytes(t, binaryNumber([]byte("0b1"), 0), []byte("1"))
test.Bytes(t, binaryNumber([]byte("0b1001"), 0), []byte("9"))
test.Bytes(t, binaryNumber([]byte("0b100000000000000000000000000000000000000000000000000000000000000"), 0), []byte("4611686018427387904"))
test.Bytes(t, binaryNumber([]byte("0b1000000000000000000000000000000000000000000000000000000000000000"), 0), []byte("0b1000000000000000000000000000000000000000000000000000000000000000"))
}
func TestOctalNumber(t *testing.T) {
test.Bytes(t, octalNumber([]byte("0o0"), 0), []byte("0"))
test.Bytes(t, octalNumber([]byte("0o1"), 0), []byte("1"))
test.Bytes(t, octalNumber([]byte("0o775"), 0), []byte("509"))
test.Bytes(t, octalNumber([]byte("0o100000000000000000000"), 0), []byte("1152921504606846976"))
test.Bytes(t, octalNumber([]byte("0o1000000000000000000000"), 0), []byte("0o1000000000000000000000"))
}
func TestHexadecimalNumber(t *testing.T) {
test.Bytes(t, hexadecimalNumber([]byte("0x0"), 0), []byte("0"))
test.Bytes(t, hexadecimalNumber([]byte("0x1"), 0), []byte("1"))
test.Bytes(t, hexadecimalNumber([]byte("0xFE"), 0), []byte("254"))
test.Bytes(t, hexadecimalNumber([]byte("0x1000000000"), 0), []byte("68719476736"))
test.Bytes(t, hexadecimalNumber([]byte("0xd000000000"), 0), []byte("893353197568"))
test.Bytes(t, hexadecimalNumber([]byte("0xe000000000"), 0), []byte("0xe000000000"))
test.Bytes(t, hexadecimalNumber([]byte("0xE000000000"), 0), []byte("0xE000000000"))
test.Bytes(t, hexadecimalNumber([]byte("0x10000000000"), 0), []byte("0x10000000000"))
}
func TestString(t *testing.T) {
tests := []struct {
str, expected string
}{
{`""`, `""`},
{`"abc"`, `"abc"`},
{`'abc'`, `"abc"`},
{`"\8\9\t"`, "\"89\t\""},
{`"\n\r"`, "`\n\\r`"},
{`"\12\15"`, "`\n\\r`"},
{`"\x0A\x0D"`, "`\n\\r`"},
{`"\u000A\u000D"`, "`\n\\r`"},
{`"\u{A}\u{D}"`, "`\n\\r`"},
{`"\n$"`, "`\n$`"},
{`"\n${"`, `"\n${"`},
{`"\n\r${${"`, `"\n\r${${"`},
{`"\12\15${${"`, `"\n\r${${"`},
{`"\x0A\x0D${${"`, `"\n\r${${"`},
{`"\u000A\u000D${${"`, `"\n\r${${"`},
{`"\u{A}\u{D}${${"`, `"\n\r${${"`},
{`"\42"`, `'"'`},
{`"\x22"`, `'"'`},
{`"\u0022"`, `'"'`},
{`"\u{22}"`, `'"'`},
{`"\42''"`, "`\"''`"},
{`"\x22''"`, "`\"''`"},
{`"\u0022''"`, "`\"''`"},
{`"\u{022}''"`, "`\"''`"},
{"\"\\42''``\"", "\"\\\"''``\""},
{"\"\\x22''``\"", "\"\\\"''``\""},
{"\"\\u0022''``\"", "\"\\\"''``\""},
{"\"\\u{0022}''``
79B1
\"", "\"\\\"''``\""},
{`'\47'`, `"'"`},
{`'\x27'`, `"'"`},
{`'\u0027'`, `"'"`},
{`'\u{27}'`, `"'"`},
{`'\47""'`, "`'\"\"`"},
{`'\x27""'`, "`'\"\"`"},
{`'\u0027""'`, "`'\"\"`"},
{`'\u{027}""'`, "`'\"\"`"},
{"'\\47\"\"``'", "'\\'\"\"``'"},
{"'\\x27\"\"``'", "'\\'\"\"``'"},
{"'\\u0027\"\"``'", "'\\'\"\"``'"},
{"'\\u{0027}\"\"``'", "'\\'\"\"``'"},
{`'\140'`, "\"`\""},
{`'\x60'`, "\"`\""},
{`'\u0060'`, "\"`\""},
{`'\u{60}'`, "\"`\""},
{`'\140""'`, "'`\"\"'"},
{`'\x60""'`, "'`\"\"'"},
{`'\u0060""'`, "'`\"\"'"},
{`'\u{060}""'`, "'`\"\"'"},
{`'\140""\'\''`, "`\\`\"\"''`"},
{`'\x60""\'\''`, "`\\`\"\"''`"},
{`'\u0060""\'\''`, "`\\`\"\"''`"},
{`'\u{0060}""\'\''`, "`\\`\"\"''`"},
}
for _, tt := range tests {
t.Run(tt.str, func(t *testing.T) {
test.Bytes(t, minifyString([]byte(tt.str), true), []byte(tt.expected))
})
}
}
func TestHasSideEffects(t *testing.T) {
jsTests := []struct {
js string
has bool
}{
{"1", false},
{"a", true},
{"a++", true},
{"a--", true},
{"++a", true},
{"--a", true},
{"delete a", true},
{"!0", false},
{"a=5", true},
{"a+=5", true},
{"a+5", false},
{"a()", true},
{"a.b", true},
{"a.b()", true},
{"a().b", true},
{"a[b]", true},
{"a[b()]", true},
{"a()[b]", true},
{"a?.b", true},
{"a()?.b", true},
{"a?.b()", true},
{"new a", true},
{"new a()", true},
}
for _, tt := range jsTests {
t.Run(tt.js, func(t *testing.T) {
ast, err := js.Parse(parse.NewInputString(tt.js), js.Options{})
if err != io.EOF {
test.Error(t, err)
}
expr := ast.List[0].(*js.ExprStmt).Value
test.T(t, hasSideEffects(expr), tt.has)
})
}
}