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authorTaylor Gerring <taylor.gerring@gmail.com>2015-02-16 21:28:33 +0800
committerTaylor Gerring <taylor.gerring@gmail.com>2015-02-16 21:28:33 +0800
commit702218008ee2b6d708d6b2821cdef80736bb3224 (patch)
treed55ff7ce88187082378e7d8e4c2f3aad14d23b4e /Godeps/_workspace/src/github.com/robertkrimen/otto/parser/parser_test.go
parent202362d9258335c695eb75f55f4be74a50a1af33 (diff)
downloadgo-tangerine-702218008ee2b6d708d6b2821cdef80736bb3224.tar.gz
go-tangerine-702218008ee2b6d708d6b2821cdef80736bb3224.tar.zst
go-tangerine-702218008ee2b6d708d6b2821cdef80736bb3224.zip
Add versioned dependencies from godep
Diffstat (limited to 'Godeps/_workspace/src/github.com/robertkrimen/otto/parser/parser_test.go')
-rw-r--r--Godeps/_workspace/src/github.com/robertkrimen/otto/parser/parser_test.go1004
1 files changed, 1004 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/github.com/robertkrimen/otto/parser/parser_test.go b/Godeps/_workspace/src/github.com/robertkrimen/otto/parser/parser_test.go
new file mode 100644
index 000000000..8f9457745
--- /dev/null
+++ b/Godeps/_workspace/src/github.com/robertkrimen/otto/parser/parser_test.go
@@ -0,0 +1,1004 @@
+package parser
+
+import (
+ "errors"
+ "regexp"
+ "strings"
+ "testing"
+
+ "github.com/robertkrimen/otto/ast"
+ "github.com/robertkrimen/otto/file"
+)
+
+func firstErr(err error) error {
+ switch err := err.(type) {
+ case ErrorList:
+ return err[0]
+ }
+ return err
+}
+
+var matchBeforeAfterSeparator = regexp.MustCompile(`(?m)^[ \t]*---$`)
+
+func testParse(src string) (parser *_parser, program *ast.Program, err error) {
+ defer func() {
+ if tmp := recover(); tmp != nil {
+ switch tmp := tmp.(type) {
+ case string:
+ if strings.HasPrefix(tmp, "SyntaxError:") {
+ parser = nil
+ program = nil
+ err = errors.New(tmp)
+ return
+ }
+ }
+ panic(tmp)
+ }
+ }()
+ parser = newParser("", src)
+ program, err = parser.parse()
+ return
+}
+
+func TestParseFile(t *testing.T) {
+ tt(t, func() {
+ _, err := ParseFile(nil, "", `/abc/`, 0)
+ is(err, nil)
+
+ _, err = ParseFile(nil, "", `/(?!def)abc/`, IgnoreRegExpErrors)
+ is(err, nil)
+
+ _, err = ParseFile(nil, "", `/(?!def)abc/`, 0)
+ is(err, "(anonymous): Line 1:1 Invalid regular expression: re2: Invalid (?!) <lookahead>")
+
+ _, err = ParseFile(nil, "", `/(?!def)abc/; return`, IgnoreRegExpErrors)
+ is(err, "(anonymous): Line 1:15 Illegal return statement")
+ })
+}
+
+func TestParseFunction(t *testing.T) {
+ tt(t, func() {
+ test := func(prm, bdy string, expect interface{}) *ast.FunctionLiteral {
+ function, err := ParseFunction(prm, bdy)
+ is(firstErr(err), expect)
+ return function
+ }
+
+ test("a, b,c,d", "", nil)
+
+ test("a, b;,c,d", "", "(anonymous): Line 1:15 Unexpected token ;")
+
+ test("this", "", "(anonymous): Line 1:11 Unexpected token this")
+
+ test("a, b, c, null", "", "(anonymous): Line 1:20 Unexpected token null")
+
+ test("a, b,c,d", "return;", nil)
+
+ test("a, b,c,d", "break;", "(anonymous): Line 2:1 Illegal break statement")
+
+ test("a, b,c,d", "{}", nil)
+ })
+}
+
+func TestParserErr(t *testing.T) {
+ tt(t, func() {
+ test := func(input string, expect interface{}) (*ast.Program, *_parser) {
+ parser := newParser("", input)
+ program, err := parser.parse()
+ is(firstErr(err), expect)
+ return program, parser
+ }
+
+ program, parser := test("", nil)
+
+ program, parser = test(`
+ var abc;
+ break; do {
+ } while(true);
+ `, "(anonymous): Line 3:9 Illegal break statement")
+ {
+ stmt := program.Body[1].(*ast.BadStatement)
+ is(parser.position(stmt.From).Column, 9)
+ is(parser.position(stmt.To).Column, 16)
+ is(parser.slice(stmt.From, stmt.To), "break; ")
+ }
+
+ test("{", "(anonymous): Line 1:2 Unexpected end of input")
+
+ test("}", "(anonymous): Line 1:1 Unexpected token }")
+
+ test("3ea", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("3in", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("3in []", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("3e", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("3e+", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("3e-", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("3x", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("3x0", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("0x", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("09", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("018", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("01.0", "(anonymous): Line 1:3 Unexpected number")
+
+ test("01a", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("0x3in[]", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("\"Hello\nWorld\"", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("\u203f = 10", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("x\\", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("x\\\\", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("x\\u005c", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("x\\u002a", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("x\\\\u002a", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("/\n", "(anonymous): Line 1:1 Invalid regular expression: missing /")
+
+ test("var x = /(s/g", "(anonymous): Line 1:9 Invalid regular expression: Unterminated group")
+
+ test("0 = 1", "(anonymous): Line 1:1 Invalid left-hand side in assignment")
+
+ test("func() = 1", "(anonymous): Line 1:1 Invalid left-hand side in assignment")
+
+ test("(1 + 1) = 2", "(anonymous): Line 1:2 Invalid left-hand side in assignment")
+
+ test("1++", "(anonymous): Line 1:2 Invalid left-hand side in assignment")
+
+ test("1--", "(anonymous): Line 1:2 Invalid left-hand side in assignment")
+
+ test("--1", "(anonymous): Line 1:1 Invalid left-hand side in assignment")
+
+ test("for((1 + 1) in abc) def();", "(anonymous): Line 1:1 Invalid left-hand side in for-in")
+
+ test("[", "(anonymous): Line 1:2 Unexpected end of input")
+
+ test("[,", "(anonymous): Line 1:3 Unexpected end of input")
+
+ test("1 + {", "(anonymous): Line 1:6 Unexpected end of input")
+
+ test("1 + { abc:abc", "(anonymous): Line 1:14 Unexpected end of input")
+
+ test("1 + { abc:abc,", "(anonymous): Line 1:15 Unexpected end of input")
+
+ test("var abc = /\n/", "(anonymous): Line 1:11 Invalid regular expression: missing /")
+
+ test("var abc = \"\n", "(anonymous): Line 1:11 Unexpected token ILLEGAL")
+
+ test("var if = 0", "(anonymous): Line 1:5 Unexpected token if")
+
+ test("abc + 0 = 1", "(anonymous): Line 1:1 Invalid left-hand side in assignment")
+
+ test("+abc = 1", "(anonymous): Line 1:1 Invalid left-hand side in assignment")
+
+ test("1 + (", "(anonymous): Line 1:6 Unexpected end of input")
+
+ test("\n\n\n{", "(anonymous): Line 4:2 Unexpected end of input")
+
+ test("\n/* Some multiline\ncomment */\n)", "(anonymous): Line 4:1 Unexpected token )")
+
+ // TODO
+ //{ set 1 }
+ //{ get 2 }
+ //({ set: s(if) { } })
+ //({ set s(.) { } })
+ //({ set: s() { } })
+ //({ set: s(a, b) { } })
+ //({ get: g(d) { } })
+ //({ get i() { }, i: 42 })
+ //({ i: 42, get i() { } })
+ //({ set i(x) { }, i: 42 })
+ //({ i: 42, set i(x) { } })
+ //({ get i() { }, get i() { } })
+ //({ set i(x) { }, set i(x) { } })
+
+ test("function abc(if) {}", "(anonymous): Line 1:14 Unexpected token if")
+
+ test("function abc(true) {}", "(anonymous): Line 1:14 Unexpected token true")
+
+ test("function abc(false) {}", "(anonymous): Line 1:14 Unexpected token false")
+
+ test("function abc(null) {}", "(anonymous): Line 1:14 Unexpected token null")
+
+ test("function null() {}", "(anonymous): Line 1:10 Unexpected token null")
+
+ test("function true() {}", "(anonymous): Line 1:10 Unexpected token true")
+
+ test("function false() {}", "(anonymous): Line 1:10 Unexpected token false")
+
+ test("function if() {}", "(anonymous): Line 1:10 Unexpected token if")
+
+ test("a b;", "(anonymous): Line 1:3 Unexpected identifier")
+
+ test("if.a", "(anonymous): Line 1:3 Unexpected token .")
+
+ test("a if", "(anonymous): Line 1:3 Unexpected token if")
+
+ test("a class", "(anonymous): Line 1:3 Unexpected reserved word")
+
+ test("break\n", "(anonymous): Line 1:1 Illegal break statement")
+
+ test("break 1;", "(anonymous): Line 1:7 Unexpected number")
+
+ test("for (;;) { break 1; }", "(anonymous): Line 1:18 Unexpected number")
+
+ test("continue\n", "(anonymous): Line 1:1 Illegal continue statement")
+
+ test("continue 1;", "(anonymous): Line 1:10 Unexpected number")
+
+ test("for (;;) { continue 1; }", "(anonymous): Line 1:21 Unexpected number")
+
+ test("throw", "(anonymous): Line 1:1 Unexpected end of input")
+
+ test("throw;", "(anonymous): Line 1:6 Unexpected token ;")
+
+ test("throw \n", "(anonymous): Line 1:1 Unexpected end of input")
+
+ test("for (var abc, def in {});", "(anonymous): Line 1:19 Unexpected token in")
+
+ test("for ((abc in {});;);", nil)
+
+ test("for ((abc in {}));", "(anonymous): Line 1:17 Unexpected token )")
+
+ test("for (+abc in {});", "(anonymous): Line 1:1 Invalid left-hand side in for-in")
+
+ test("if (false)", "(anonymous): Line 1:11 Unexpected end of input")
+
+ test("if (false) abc(); else", "(anonymous): Line 1:23 Unexpected end of input")
+
+ test("do", "(anonymous): Line 1:3 Unexpected end of input")
+
+ test("while (false)", "(anonymous): Line 1:14 Unexpected end of input")
+
+ test("for (;;)", "(anonymous): Line 1:9 Unexpected end of input")
+
+ test("with (abc)", "(anonymous): Line 1:11 Unexpected end of input")
+
+ test("try {}", "(anonymous): Line 1:1 Missing catch or finally after try")
+
+ test("try {} catch {}", "(anonymous): Line 1:14 Unexpected token {")
+
+ test("try {} catch () {}", "(anonymous): Line 1:15 Unexpected token )")
+
+ test("\u203f = 1", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ // TODO
+ // const x = 12, y;
+ // const x, y = 12;
+ // const x;
+ // if(true) let a = 1;
+ // if(true) const a = 1;
+
+ test(`new abc()."def"`, "(anonymous): Line 1:11 Unexpected string")
+
+ test("/*", "(anonymous): Line 1:3 Unexpected end of input")
+
+ test("/**", "(anonymous): Line 1:4 Unexpected end of input")
+
+ test("/*\n\n\n", "(anonymous): Line 4:1 Unexpected end of input")
+
+ test("/*\n\n\n*", "(anonymous): Line 4:2 Unexpected end of input")
+
+ test("/*abc", "(anonymous): Line 1:6 Unexpected end of input")
+
+ test("/*abc *", "(anonymous): Line 1:9 Unexpected end of input")
+
+ test("\n]", "(anonymous): Line 2:1 Unexpected token ]")
+
+ test("\r\n]", "(anonymous): Line 2:1 Unexpected token ]")
+
+ test("\n\r]", "(anonymous): Line 3:1 Unexpected token ]")
+
+ test("//\r\n]", "(anonymous): Line 2:1 Unexpected token ]")
+
+ test("//\n\r]", "(anonymous): Line 3:1 Unexpected token ]")
+
+ test("/abc\\\n/", "(anonymous): Line 1:1 Invalid regular expression: missing /")
+
+ test("//\r \n]", "(anonymous): Line 3:1 Unexpected token ]")
+
+ test("/*\r\n*/]", "(anonymous): Line 2:3 Unexpected token ]")
+
+ test("/*\r \n*/]", "(anonymous): Line 3:3 Unexpected token ]")
+
+ test("\\\\", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("\\u005c", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("\\abc", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("\\u0000", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("\\u200c = []", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("\\u200D = []", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test(`"\`, "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test(`"\u`, "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("return", "(anonymous): Line 1:1 Illegal return statement")
+
+ test("continue", "(anonymous): Line 1:1 Illegal continue statement")
+
+ test("break", "(anonymous): Line 1:1 Illegal break statement")
+
+ test("switch (abc) { default: continue; }", "(anonymous): Line 1:25 Illegal continue statement")
+
+ test("do { abc } *", "(anonymous): Line 1:12 Unexpected token *")
+
+ test("while (true) { break abc; }", "(anonymous): Line 1:16 Undefined label 'abc'")
+
+ test("while (true) { continue abc; }", "(anonymous): Line 1:16 Undefined label 'abc'")
+
+ test("abc: while (true) { (function(){ break abc; }); }", "(anonymous): Line 1:34 Undefined label 'abc'")
+
+ test("abc: while (true) { (function(){ abc: break abc; }); }", nil)
+
+ test("abc: while (true) { (function(){ continue abc; }); }", "(anonymous): Line 1:34 Undefined label 'abc'")
+
+ test(`abc: if (0) break abc; else {}`, nil)
+
+ test(`abc: if (0) { break abc; } else {}`, nil)
+
+ test(`abc: if (0) { break abc } else {}`, nil)
+
+ test("abc: while (true) { abc: while (true) {} }", "(anonymous): Line 1:21 Label 'abc' already exists")
+
+ if false {
+ // TODO When strict mode is implemented
+ test("(function () { 'use strict'; delete abc; }())", "")
+ }
+
+ test("_: _: while (true) {]", "(anonymous): Line 1:4 Label '_' already exists")
+
+ test("_:\n_:\nwhile (true) {]", "(anonymous): Line 2:1 Label '_' already exists")
+
+ test("_:\n _:\nwhile (true) {]", "(anonymous): Line 2:4 Label '_' already exists")
+
+ test("/Xyzzy(?!Nothing happens)/",
+ "(anonymous): Line 1:1 Invalid regular expression: re2: Invalid (?!) <lookahead>")
+
+ test("function(){}", "(anonymous): Line 1:9 Unexpected token (")
+
+ test("\n/*/", "(anonymous): Line 2:4 Unexpected end of input")
+
+ test("/*/.source", "(anonymous): Line 1:11 Unexpected end of input")
+
+ test("/\\1/.source", "(anonymous): Line 1:1 Invalid regular expression: re2: Invalid \\1 <backreference>")
+
+ test("var class", "(anonymous): Line 1:5 Unexpected reserved word")
+
+ test("var if", "(anonymous): Line 1:5 Unexpected token if")
+
+ test("object Object", "(anonymous): Line 1:8 Unexpected identifier")
+
+ test("[object Object]", "(anonymous): Line 1:9 Unexpected identifier")
+
+ test("\\u0xyz", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test(`for (var abc, def in {}) {}`, "(anonymous): Line 1:19 Unexpected token in")
+
+ test(`for (abc, def in {}) {}`, "(anonymous): Line 1:1 Invalid left-hand side in for-in")
+
+ test(`for (var abc=def, ghi=("abc" in {}); true;) {}`, nil)
+
+ {
+ // Semicolon insertion
+
+ test("this\nif (1);", nil)
+
+ test("while (1) { break\nif (1); }", nil)
+
+ test("throw\nif (1);", "(anonymous): Line 1:1 Illegal newline after throw")
+
+ test("(function(){ return\nif (1); })", nil)
+
+ test("while (1) { continue\nif (1); }", nil)
+
+ test("debugger\nif (1);", nil)
+ }
+
+ { // Reserved words
+
+ test("class", "(anonymous): Line 1:1 Unexpected reserved word")
+ test("abc.class = 1", nil)
+ test("var class;", "(anonymous): Line 1:5 Unexpected reserved word")
+
+ test("const", "(anonymous): Line 1:1 Unexpected reserved word")
+ test("abc.const = 1", nil)
+ test("var const;", "(anonymous): Line 1:5 Unexpected reserved word")
+
+ test("enum", "(anonymous): Line 1:1 Unexpected reserved word")
+ test("abc.enum = 1", nil)
+ test("var enum;", "(anonymous): Line 1:5 Unexpected reserved word")
+
+ test("export", "(anonymous): Line 1:1 Unexpected reserved word")
+ test("abc.export = 1", nil)
+ test("var export;", "(anonymous): Line 1:5 Unexpected reserved word")
+
+ test("extends", "(anonymous): Line 1:1 Unexpected reserved word")
+ test("abc.extends = 1", nil)
+ test("var extends;", "(anonymous): Line 1:5 Unexpected reserved word")
+
+ test("import", "(anonymous): Line 1:1 Unexpected reserved word")
+ test("abc.import = 1", nil)
+ test("var import;", "(anonymous): Line 1:5 Unexpected reserved word")
+
+ test("super", "(anonymous): Line 1:1 Unexpected reserved word")
+ test("abc.super = 1", nil)
+ test("var super;", "(anonymous): Line 1:5 Unexpected reserved word")
+ }
+
+ { // Reserved words (strict)
+
+ test(`implements`, nil)
+ test(`abc.implements = 1`, nil)
+ test(`var implements;`, nil)
+
+ test(`interface`, nil)
+ test(`abc.interface = 1`, nil)
+ test(`var interface;`, nil)
+
+ test(`let`, nil)
+ test(`abc.let = 1`, nil)
+ test(`var let;`, nil)
+
+ test(`package`, nil)
+ test(`abc.package = 1`, nil)
+ test(`var package;`, nil)
+
+ test(`private`, nil)
+ test(`abc.private = 1`, nil)
+ test(`var private;`, nil)
+
+ test(`protected`, nil)
+ test(`abc.protected = 1`, nil)
+ test(`var protected;`, nil)
+
+ test(`public`, nil)
+ test(`abc.public = 1`, nil)
+ test(`var public;`, nil)
+
+ test(`static`, nil)
+ test(`abc.static = 1`, nil)
+ test(`var static;`, nil)
+
+ test(`yield`, nil)
+ test(`abc.yield = 1`, nil)
+ test(`var yield;`, nil)
+ }
+ })
+}
+
+func TestParser(t *testing.T) {
+ tt(t, func() {
+ test := func(source string, chk interface{}) *ast.Program {
+ _, program, err := testParse(source)
+ is(firstErr(err), chk)
+ return program
+ }
+
+ test(`
+ abc
+ --
+ []
+ `, "(anonymous): Line 3:13 Invalid left-hand side in assignment")
+
+ test(`
+ abc--
+ []
+ `, nil)
+
+ test("1\n[]\n", "(anonymous): Line 2:2 Unexpected token ]")
+
+ test(`
+ function abc() {
+ }
+ abc()
+ `, nil)
+
+ program := test("", nil)
+
+ test("//", nil)
+
+ test("/* */", nil)
+
+ test("/** **/", nil)
+
+ test("/*****/", nil)
+
+ test("/*", "(anonymous): Line 1:3 Unexpected end of input")
+
+ test("#", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("/**/#", "(anonymous): Line 1:5 Unexpected token ILLEGAL")
+
+ test("new +", "(anonymous): Line 1:5 Unexpected token +")
+
+ program = test(";", nil)
+ is(len(program.Body), 1)
+ is(program.Body[0].(*ast.EmptyStatement).Semicolon, file.Idx(1))
+
+ program = test(";;", nil)
+ is(len(program.Body), 2)
+ is(program.Body[0].(*ast.EmptyStatement).Semicolon, file.Idx(1))
+ is(program.Body[1].(*ast.EmptyStatement).Semicolon, file.Idx(2))
+
+ program = test("1.2", nil)
+ is(len(program.Body), 1)
+ is(program.Body[0].(*ast.ExpressionStatement).Expression.(*ast.NumberLiteral).Literal, "1.2")
+
+ program = test("/* */1.2", nil)
+ is(len(program.Body), 1)
+ is(program.Body[0].(*ast.ExpressionStatement).Expression.(*ast.NumberLiteral).Literal, "1.2")
+
+ program = test("\n", nil)
+ is(len(program.Body), 0)
+
+ test(`
+ if (0) {
+ abc = 0
+ }
+ else abc = 0
+ `, nil)
+
+ test("if (0) abc = 0 else abc = 0", "(anonymous): Line 1:16 Unexpected token else")
+
+ test(`
+ if (0) {
+ abc = 0
+ } else abc = 0
+ `, nil)
+
+ test(`
+ if (0) {
+ abc = 1
+ } else {
+ }
+ `, nil)
+
+ test(`
+ do {
+ } while (true)
+ `, nil)
+
+ test(`
+ try {
+ } finally {
+ }
+ `, nil)
+
+ test(`
+ try {
+ } catch (abc) {
+ } finally {
+ }
+ `, nil)
+
+ test(`
+ try {
+ }
+ catch (abc) {
+ }
+ finally {
+ }
+ `, nil)
+
+ test(`try {} catch (abc) {} finally {}`, nil)
+
+ test(`
+ do {
+ do {
+ } while (0)
+ } while (0)
+ `, nil)
+
+ test(`
+ (function(){
+ try {
+ if (
+ 1
+ ) {
+ return 1
+ }
+ return 0
+ } finally {
+ }
+ })()
+ `, nil)
+
+ test("abc = ''\ndef", nil)
+
+ test("abc = 1\ndef", nil)
+
+ test("abc = Math\ndef", nil)
+
+ test(`"\'"`, nil)
+
+ test(`
+ abc = function(){
+ }
+ abc = 0
+ `, nil)
+
+ test("abc.null = 0", nil)
+
+ test("0x41", nil)
+
+ test(`"\d"`, nil)
+
+ test(`(function(){return this})`, nil)
+
+ test(`
+ Object.defineProperty(Array.prototype, "0", {
+ value: 100,
+ writable: false,
+ configurable: true
+ });
+ abc = [101];
+ abc.hasOwnProperty("0") && abc[0] === 101;
+ `, nil)
+
+ test(`new abc()`, nil)
+ test(`new {}`, nil)
+
+ test(`
+ limit = 4
+ result = 0
+ while (limit) {
+ limit = limit - 1
+ if (limit) {
+ }
+ else {
+ break
+ }
+ result = result + 1
+ }
+ `, nil)
+
+ test(`
+ while (0) {
+ if (0) {
+ continue
+ }
+ }
+ `, nil)
+
+ test("var \u0061\u0062\u0063 = 0", nil)
+
+ // 7_3_1
+ test("var test7_3_1\nabc = 66;", nil)
+ test("var test7_3_1\u2028abc = 66;", nil)
+
+ // 7_3_3
+ test("//\u2028 =;", "(anonymous): Line 2:2 Unexpected token =")
+
+ // 7_3_10
+ test("var abc = \u2029;", "(anonymous): Line 2:1 Unexpected token ;")
+ test("var abc = \\u2029;", "(anonymous): Line 1:11 Unexpected token ILLEGAL")
+ test("var \\u0061\\u0062\\u0063 = 0;", nil)
+
+ test("'", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ test("'\nstr\ning\n'", "(anonymous): Line 1:1 Unexpected token ILLEGAL")
+
+ // S7.6_A4.3_T1
+ test(`var $\u0030 = 0;`, nil)
+
+ // S7.6.1.1_A1.1
+ test(`switch = 1`, "(anonymous): Line 1:8 Unexpected token =")
+
+ // S7.8.3_A2.1_T1
+ test(`.0 === 0.0`, nil)
+
+ // 7.8.5-1
+ test("var regExp = /\\\rn/;", "(anonymous): Line 1:14 Invalid regular expression: missing /")
+
+ // S7.8.5_A1.1_T2
+ test("var regExp = /=/;", nil)
+
+ // S7.8.5_A1.2_T1
+ test("/*/", "(anonymous): Line 1:4 Unexpected end of input")
+
+ // Sbp_7.9_A9_T3
+ test(`
+ do {
+ ;
+ } while (false) true
+ `, nil)
+
+ // S7.9_A10_T10
+ test(`
+ {a:1
+ } 3
+ `, nil)
+
+ test(`
+ abc
+ ++def
+ `, nil)
+
+ // S7.9_A5.2_T1
+ test(`
+ for(false;false
+ ) {
+ break;
+ }
+ `, "(anonymous): Line 3:13 Unexpected token )")
+
+ // S7.9_A9_T8
+ test(`
+ do {};
+ while (false)
+ `, "(anonymous): Line 2:18 Unexpected token ;")
+
+ // S8.4_A5
+ test(`
+ "x\0y"
+ `, nil)
+
+ // S9.3.1_A6_T1
+ test(`
+ 10e10000
+ `, nil)
+
+ // 10.4.2-1-5
+ test(`
+ "abc\
+ def"
+ `, nil)
+
+ test("'\\\n'", nil)
+
+ test("'\\\r\n'", nil)
+
+ //// 11.13.1-1-1
+ test("42 = 42;", "(anonymous): Line 1:1 Invalid left-hand side in assignment")
+
+ // S11.13.2_A4.2_T1.3
+ test(`
+ abc /= "1"
+ `, nil)
+
+ // 12.1-1
+ test(`
+ try{};catch(){}
+ `, "(anonymous): Line 2:13 Missing catch or finally after try")
+
+ // 12.1-3
+ test(`
+ try{};finally{}
+ `, "(anonymous): Line 2:13 Missing catch or finally after try")
+
+ // S12.6.3_A11.1_T3
+ test(`
+ while (true) {
+ break abc;
+ }
+ `, "(anonymous): Line 3:17 Undefined label 'abc'")
+
+ // S15.3_A2_T1
+ test(`var x / = 1;`, "(anonymous): Line 1:7 Unexpected token /")
+
+ test(`
+ function abc() {
+ if (0)
+ return;
+ else {
+ }
+ }
+ `, nil)
+
+ test("//\u2028 var =;", "(anonymous): Line 2:6 Unexpected token =")
+
+ test(`
+ throw
+ {}
+ `, "(anonymous): Line 2:13 Illegal newline after throw")
+
+ // S7.6.1.1_A1.11
+ test(`
+ function = 1
+ `, "(anonymous): Line 2:22 Unexpected token =")
+
+ // S7.8.3_A1.2_T1
+ test(`0e1`, nil)
+
+ test("abc = 1; abc\n++", "(anonymous): Line 2:3 Unexpected end of input")
+
+ // ---
+
+ test("({ get abc() {} })", nil)
+
+ test(`for (abc.def in {}) {}`, nil)
+
+ test(`while (true) { break }`, nil)
+
+ test(`while (true) { continue }`, nil)
+
+ test(`abc=/^(?:(\w+:)\/{2}(\w+(?:\.\w+)*\/?)|(.{0,2}\/{1}))?([/.]*?(?:[^?]+)?\/)?((?:[^/?]+)\.(\w+))(?:\?(\S+)?)?$/,def=/^(?:(\w+:)\/{2})|(.{0,2}\/{1})?([/.]*?(?:[^?]+)?\/?)?$/`, nil)
+
+ test(`(function() { try {} catch (err) {} finally {} return })`, nil)
+
+ test(`0xde0b6b3a7640080.toFixed(0)`, nil)
+
+ test(`/[^-._0-9A-Za-z\xb7\xc0-\xd6\xd8-\xf6\xf8-\u037d\u37f-\u1fff\u200c-\u200d\u203f\u2040\u2070-\u218f]/`, nil)
+
+ test(`/[\u0000-\u0008\u000B-\u000C\u000E-\u001F\uD800-\uDFFF\uFFFE-\uFFFF]/`, nil)
+
+ test("var abc = 1;\ufeff", nil)
+
+ test("\ufeff/* var abc = 1; */", nil)
+
+ test(`if (-0x8000000000000000<=abc&&abc<=0x8000000000000000) {}`, nil)
+
+ test(`(function(){debugger;return this;})`, nil)
+
+ test(`
+
+ `, nil)
+
+ test(`
+ var abc = ""
+ debugger
+ `, nil)
+
+ test(`
+ var abc = /\[\]$/
+ debugger
+ `, nil)
+
+ test(`
+ var abc = 1 /
+ 2
+ debugger
+ `, nil)
+ })
+}
+
+func Test_parseStringLiteral(t *testing.T) {
+ tt(t, func() {
+ test := func(have, want string) {
+ have, err := parseStringLiteral(have)
+ is(err, nil)
+ is(have, want)
+ }
+
+ test("", "")
+
+ test("1(\\\\d+)", "1(\\d+)")
+
+ test("\\u2029", "\u2029")
+
+ test("abc\\uFFFFabc", "abc\uFFFFabc")
+
+ test("[First line \\\nSecond line \\\n Third line\\\n. ]",
+ "[First line Second line Third line. ]")
+
+ test("\\u007a\\x79\\u000a\\x78", "zy\nx")
+
+ // S7.8.4_A4.2_T3
+ test("\\a", "a")
+ test("\u0410", "\u0410")
+
+ // S7.8.4_A5.1_T1
+ test("\\0", "\u0000")
+
+ // S8.4_A5
+ test("\u0000", "\u0000")
+
+ // 15.5.4.20
+ test("'abc'\\\n'def'", "'abc''def'")
+
+ // 15.5.4.20-4-1
+ test("'abc'\\\r\n'def'", "'abc''def'")
+
+ // Octal
+ test("\\0", "\000")
+ test("\\00", "\000")
+ test("\\000", "\000")
+ test("\\09", "\0009")
+ test("\\009", "\0009")
+ test("\\0009", "\0009")
+ test("\\1", "\001")
+ test("\\01", "\001")
+ test("\\001", "\001")
+ test("\\0011", "\0011")
+ test("\\1abc", "\001abc")
+
+ test("\\\u4e16", "\u4e16")
+
+ // err
+ test = func(have, want string) {
+ have, err := parseStringLiteral(have)
+ is(err.Error(), want)
+ is(have, "")
+ }
+
+ test(`\u`, `invalid escape: \u: len("") != 4`)
+ test(`\u0`, `invalid escape: \u: len("0") != 4`)
+ test(`\u00`, `invalid escape: \u: len("00") != 4`)
+ test(`\u000`, `invalid escape: \u: len("000") != 4`)
+
+ test(`\x`, `invalid escape: \x: len("") != 2`)
+ test(`\x0`, `invalid escape: \x: len("0") != 2`)
+ test(`\x0`, `invalid escape: \x: len("0") != 2`)
+ })
+}
+
+func Test_parseNumberLiteral(t *testing.T) {
+ tt(t, func() {
+ test := func(input string, expect interface{}) {
+ result, err := parseNumberLiteral(input)
+ is(err, nil)
+ is(result, expect)
+ }
+
+ test("0", 0)
+
+ test("0x8000000000000000", float64(9.223372036854776e+18))
+ })
+}
+
+func TestPosition(t *testing.T) {
+ tt(t, func() {
+ parser := newParser("", "// Lorem ipsum")
+
+ // Out of range, idx0 (error condition)
+ is(parser.slice(0, 1), "")
+ is(parser.slice(0, 10), "")
+
+ // Out of range, idx1 (error condition)
+ is(parser.slice(1, 128), "")
+
+ is(parser.str[0:0], "")
+ is(parser.slice(1, 1), "")
+
+ is(parser.str[0:1], "/")
+ is(parser.slice(1, 2), "/")
+
+ is(parser.str[0:14], "// Lorem ipsum")
+ is(parser.slice(1, 15), "// Lorem ipsum")
+
+ parser = newParser("", "(function(){ return 0; })")
+ program, err := parser.parse()
+ is(err, nil)
+
+ var node ast.Node
+ node = program.Body[0].(*ast.ExpressionStatement).Expression.(*ast.FunctionLiteral)
+ is(node.Idx0(), file.Idx(2))
+ is(node.Idx1(), file.Idx(25))
+ is(parser.slice(node.Idx0(), node.Idx1()), "function(){ return 0; }")
+ is(parser.slice(node.Idx0(), node.Idx1()+1), "function(){ return 0; })")
+ is(parser.slice(node.Idx0(), node.Idx1()+2), "")
+ is(node.(*ast.FunctionLiteral).Source, "function(){ return 0; }")
+
+ node = program
+ is(node.Idx0(), file.Idx(2))
+ is(node.Idx1(), file.Idx(25))
+ is(parser.slice(node.Idx0(), node.Idx1()), "function(){ return 0; }")
+
+ parser = newParser("", "(function(){ return abc; })")
+ program, err = parser.parse()
+ is(err, nil)
+ node = program.Body[0].(*ast.ExpressionStatement).Expression.(*ast.FunctionLiteral)
+ is(node.(*ast.FunctionLiteral).Source, "function(){ return abc; }")
+ })
+}