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Side by Side Diff: LayoutTests/fast/js/script-tests/parser-syntax-check.js

Issue 20867002: Remove old tests that have been migrated to the v8 repo. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: remove unused script-tests as well Created 7 years, 4 months ago
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1 description(
2 "This test checks that the following expressions or statements are valid ECMASCR IPT code or should throw parse error"
3 );
4
5 function runTest(_a, errorType)
6 {
7 var success;
8 if (typeof _a != "string")
9 testFailed("runTest expects string argument: " + _a);
10 try {
11 eval(_a);
12 success = true;
13 } catch (e) {
14 success = !(e instanceof SyntaxError);
15 }
16 if ((!!errorType) == !success) {
17 if (errorType)
18 testPassed('Invalid: "' + _a + '"');
19 else
20 testPassed('Valid: "' + _a + '"');
21 } else {
22 if (errorType)
23 testFailed('Invalid: "' + _a + '" should throw ' + errorType.name);
24 else
25 testFailed('Valid: "' + _a + '" should NOT throw ');
26 }
27 }
28
29 function valid(_a)
30 {
31 // Test both the grammar and the syntax checker
32 runTest(_a, false);
33 runTest("function f() { " + _a + " }", false);
34 }
35
36 function invalid(_a, _type)
37 {
38 _type = _type || SyntaxError;
39 // Test both the grammar and the syntax checker
40 runTest(_a, true);
41 runTest("function f() { " + _a + " }", true);
42 }
43
44 // known issue:
45 // some statements requires statement as argument, and
46 // it seems the End-Of-File terminator is converted to semicolon
47 // "a:[EOF]" is not parse error, while "{ a: }" is parse error
48 // "if (a)[EOF]" is not parse error, while "{ if (a) }" is parse error
49 // known issues of bison parser:
50 // accepts: 'function f() { return 6 + }' (only inside a function declaration)
51 // some comma expressions: see reparsing-semicolon-insertion.js
52
53 debug ("Unary operators and member access");
54
55 valid ("");
56 invalid("(a");
57 invalid("a[5");
58 invalid("a[5 + 6");
59 invalid("a.");
60 invalid("()");
61 invalid("a.'l'");
62 valid ("a: +~!new a");
63 invalid("new -a");
64 valid ("new (-1)")
65 valid ("a: b: c: new f(x++)++")
66 valid ("(a)++");
67 valid ("(1--).x");
68 invalid("a-- ++");
69 invalid("(a:) --b");
70 valid ("++ -- ++ a");
71 valid ("++ new new a ++");
72 valid ("delete void 0");
73 invalid("delete the void");
74 invalid("(a++");
75 valid ("++a--");
76 valid ("++((a))--");
77 valid ("(a.x++)++");
78 invalid("1: null");
79 invalid("+-!~");
80 invalid("+-!~((");
81 invalid("a)");
82 invalid("a]");
83 invalid(".l");
84 invalid("1.l");
85 valid ("1 .l");
86
87 debug ("Binary and conditional operators");
88
89 valid ("a + + typeof this");
90 invalid("a + * b");
91 invalid("a ? b");
92 invalid("a ? b :");
93 invalid("%a");
94 invalid("a-");
95 valid ("a = b ? b = c : d = e");
96 valid ("s: a[1].l ? b.l['s'] ? c++ : d : true");
97 valid ("a ? b + 1 ? c + 3 * d.l : d[5][6] : e");
98 valid ("a in b instanceof delete -c");
99 invalid("a in instanceof b.l");
100 valid ("- - true % 5");
101 invalid("- false = 3");
102 valid ("a: b: c: (1 + null) = 3");
103 valid ("a[2] = b.l += c /= 4 * 7 ^ !6");
104 invalid("a + typeof b += c in d");
105 invalid("typeof a &= typeof b");
106 valid ("a: ((typeof (a))) >>>= a || b.l && c");
107 valid ("a: b: c[a /= f[a %= b]].l[c[x] = 7] -= a ? b <<= f : g");
108 valid ("-void+x['y'].l == x.l != 5 - f[7]");
109
110 debug ("Function calls (and new with arguments)");
111
112 valid ("a()()()");
113 valid ("s: l: a[2](4 == 6, 5 = 6)(f[4], 6)");
114 valid ("s: eval(a.apply(), b.call(c[5] - f[7]))");
115 invalid("a(");
116 invalid("a(5");
117 invalid("a(5,");
118 invalid("a(5,)");
119 invalid("a(5,6");
120 valid ("a(b[7], c <d> e.l, new a() > b)");
121 invalid("a(b[5)");
122 invalid("a(b.)");
123 valid ("~new new a(1)(i++)(c[l])");
124 invalid("a(*a)");
125 valid ("((((a))((b)()).l))()");
126 valid ("(a)[b + (c) / (d())].l--");
127 valid ("new (5)");
128 invalid("new a(5");
129 valid ("new (f + 5)(6, (g)() - 'l'() - true(false))");
130 invalid("a(.length)");
131
132 debug ("function declaration and expression");
133
134 valid ("function f() {}");
135 valid ("function f(a,b) {}");
136 invalid("function () {}");
137 invalid("function f(a b) {}");
138 invalid("function f(a,) {}");
139 invalid("function f(a,");
140 invalid("function f(a, 1) {}");
141 valid ("function g(arguments, eval) {}");
142 valid ("function f() {} + function g() {}");
143 invalid("(function a{})");
144 invalid("(function this(){})");
145 valid ("(delete new function f(){} + function(a,b){}(5)(6))");
146 valid ("6 - function (m) { function g() {} }");
147 invalid("function l() {");
148 invalid("function l++(){}");
149
150 debug ("Array and object literal, comma operator");
151
152 // Note these are tested elsewhere, no need to repeat those tests here
153 valid ("[] in [5,6] * [,5,] / [,,5,,] || [a,] && new [,b] % [,,]");
154 invalid("[5,");
155 invalid("[,");
156 invalid("(a,)");
157 valid ("1 + {get get(){}, set set(a){}, get1:4, set1:get-set, }");
158 invalid("1 + {a");
159 invalid("1 + {a:");
160 invalid("1 + {get l(");
161 invalid(",a");
162 valid ("(4,(5,a(3,4))),f[4,a-6]");
163 invalid("(,f)");
164 invalid("a,,b");
165 invalid("a ? b, c : d");
166
167 debug ("simple statements");
168
169 valid ("{ }");
170 invalid("{ { }");
171 valid ("{ ; ; ; }");
172 valid ("a: { ; }");
173 invalid("{ a: }");
174 valid ("{} f; { 6 + f() }");
175 valid ("{ a[5],6; {} ++b-new (-5)() } c().l++");
176 valid ("{ l1: l2: l3: { this } a = 32 ; { i++ ; { { { } } ++i } } }");
177 valid ("if (a) ;");
178 invalid("{ if (a) }");
179 invalid("if a {}");
180 invalid("if (a");
181 invalid("if (a { }");
182 valid ("x: s: if (a) ; else b");
183 invalid("else {}");
184 valid ("if (a) if (b) y; else {} else ;");
185 invalid("if (a) {} else x; else");
186 invalid("if (a) { else }");
187 valid ("if (a.l + new b()) 4 + 5 - f()");
188 valid ("if (a) with (x) ; else with (y) ;");
189 invalid("with a.b { }");
190 valid ("while (a() - new b) ;");
191 invalid("while a {}");
192 valid ("do ; while(0) i++"); // Is this REALLY valid? (Firefox also accepts thi s)
193 valid ("do if (a) x; else y; while(z)");
194 invalid("do g; while 4");
195 invalid("do g; while ((4)");
196 valid ("{ { do do do ; while(0) while(0) while(0) } }");
197 valid ("do while (0) if (a) {} else y; while(0)");
198 valid ("if (a) while (b) if (c) with(d) {} else e; else f");
199 invalid("break ; break your_limits ; continue ; continue living ; debugger");
200 invalid("debugger X");
201 invalid("break 0.2");
202 invalid("continue a++");
203 invalid("continue (my_friend)");
204 valid ("while (1) break");
205 valid ("do if (a) with (b) continue; else debugger; while (false)");
206 invalid("do if (a) while (false) else debugger");
207 invalid("while if (a) ;");
208 valid ("if (a) function f() {} else function g() {}");
209 valid ("if (a()) while(0) function f() {} else function g() {}");
210 invalid("if (a()) function f() { else function g() }");
211 invalid("if (a) if (b) ; else function f {}");
212 invalid("if (a) if (b) ; else function (){}");
213 valid ("throw a");
214 valid ("throw a + b in void c");
215 invalid("throw");
216
217 debug ("var and const statements");
218
219 valid ("var a, b = null");
220 valid ("const a = 5, b, c");
221 invalid("var");
222 invalid("var = 7");
223 invalid("var c (6)");
224 valid ("if (a) var a,b; else const b, c");
225 invalid("var 5 = 6");
226 valid ("while (0) var a, b, c=6, d, e, f=5*6, g=f*h, h");
227 invalid("var a = if (b) { c }");
228 invalid("var a = var b");
229 valid ("const a = b += c, a, a, a = (b - f())");
230 invalid("var a %= b | 5");
231 invalid("var (a) = 5");
232 invalid("var a = (4, b = 6");
233 invalid("const 'l' = 3");
234 invalid("var var = 3");
235 valid ("var varr = 3 in 1");
236 valid ("const a, a, a = void 7 - typeof 8, a = 8");
237 valid ("const x_x = 6 /= 7 ? e : f");
238 invalid("var a = ?");
239 invalid("const a = *7");
240 invalid("var a = :)");
241 valid ("var a = a in b in c instanceof d");
242 invalid("var a = b ? c, b");
243 invalid("const a = b : c");
244
245 debug ("for statement");
246
247 valid ("for ( ; ; ) { break }");
248 valid ("for ( a ; ; ) { break }");
249 valid ("for ( ; a ; ) { break }");
250 valid ("for ( ; ; a ) { break }");
251 valid ("for ( a ; a ; ) break");
252 valid ("for ( a ; ; a ) break");
253 valid ("for ( ; a ; a ) break");
254 invalid("for () { }");
255 invalid("for ( a ) { }");
256 invalid("for ( ; ) ;");
257 invalid("for a ; b ; c { }");
258 invalid("for (a ; { }");
259 invalid("for ( a ; ) ;");
260 invalid("for ( ; a ) break");
261 valid ("for (var a, b ; ; ) { break } ");
262 valid ("for (var a = b, b = a ; ; ) break");
263 valid ("for (var a = b, c, d, b = a ; x in b ; ) { break }");
264 valid ("for (var a = b, c, d ; ; 1 in a()) break");
265 invalid("for ( ; var a ; ) break");
266 invalid("for (const a; ; ) break");
267 invalid("for ( %a ; ; ) { }");
268 valid ("for (a in b) break");
269 valid ("for (a() in b) break");
270 valid ("for (a().l[4] in b) break");
271 valid ("for (new a in b in c in d) break");
272 valid ("for (new new new a in b) break");
273 invalid("for (delete new a() in b) break");
274 invalid("for (a * a in b) break");
275 valid ("for ((a * a) in b) break");
276 invalid("for (a++ in b) break");
277 valid ("for ((a++) in b) break");
278 invalid("for (++a in b) break");
279 valid ("for ((++a) in b) break");
280 invalid("for (a, b in c) break");
281 invalid("for (a,b in c ;;) break");
282 valid ("for (a,(b in c) ;;) break");
283 valid ("for ((a, b) in c) break");
284 invalid("for (a ? b : c in c) break");
285 valid ("for ((a ? b : c) in c) break");
286 valid ("for (var a in b in c) break");
287 valid ("for (var a = 5 += 6 in b) break");
288 invalid("for (var a += 5 in b) break");
289 invalid("for (var a = in b) break");
290 invalid("for (var a, b in b) break");
291 invalid("for (var a = -6, b in b) break");
292 invalid("for (var a, b = 8 in b) break");
293 valid ("for (var a = (b in c) in d) break");
294 invalid("for (var a = (b in c in d) break");
295 invalid("for (var (a) in b) { }");
296 valid ("for (var a = 7, b = c < d >= d ; f()[6]++ ; --i()[1]++ ) {}");
297
298 debug ("try statement");
299
300 invalid("try { break } catch(e) {}");
301 valid ("try {} finally { c++ }");
302 valid ("try { with (x) { } } catch(e) {} finally { if (a) ; }");
303 invalid("try {}");
304 invalid("catch(e) {}");
305 invalid("finally {}");
306 invalid("try a; catch(e) {}");
307 invalid("try {} catch(e) a()");
308 invalid("try {} finally a()");
309 invalid("try {} catch(e)");
310 invalid("try {} finally");
311 invalid("try {} finally {} catch(e) {}");
312 invalid("try {} catch (...) {}");
313 invalid("try {} catch {}");
314 valid ("if (a) try {} finally {} else b;");
315 valid ("if (--a()) do with(1) try {} catch(ke) { f() ; g() } while (a in b) els e {}");
316 invalid("if (a) try {} else b; catch (e) { }");
317 invalid("try { finally {}");
318
319 debug ("switch statement");
320
321 valid ("switch (a) {}");
322 invalid("switch () {}");
323 invalid("case 5:");
324 invalid("default:");
325 invalid("switch (a) b;");
326 invalid("switch (a) case 3: b;");
327 valid ("switch (f()) { case 5 * f(): default: case '6' - 9: ++i }");
328 invalid("switch (true) { default: case 6: default: }");
329 invalid("switch (l) { f(); }");
330 invalid("switch (l) { case 1: ; a: case 5: }");
331 valid ("switch (g() - h[5].l) { case 1 + 6: a: b: c: ++f }");
332 invalid("switch (g) { case 1: a: }");
333 invalid("switch (g) { case 1: a: default: }");
334 invalid("switch g { case 1: l() }");
335 invalid("switch (g) { case 1:");
336 valid ("switch (l) { case a = b ? c : d : }");
337 valid ("switch (sw) { case a ? b - 7[1] ? [c,,] : d = 6 : { } : }");
338 invalid("switch (l) { case b ? c : }");
339 valid ("switch (l) { case 1: a: with(g) switch (g) { case 2: default: } default : }");
340 invalid("switch (4 - ) { }");
341 invalid("switch (l) { default case: 5; }");
342
343 invalid("L: L: ;");
344 invalid("L: L1: L: ;");
345 invalid("L: L1: L2: L3: L4: L: ;");
346
347 invalid("for(var a,b 'this shouldn\'t be allowed' false ; ) ;");
348 invalid("for(var a,b '");
349
350 valid("function __proto__(){}")
351 valid("(function __proto__(){})")
352 valid("'use strict'; function __proto__(){}")
353 valid("'use strict'; (function __proto__(){})")
354
355 valid("if (0) $foo; ")
356 valid("if (0) _foo; ")
357 valid("if (0) foo$; ")
358 valid("if (0) foo_; ")
359 valid("if (0) obj.$foo; ")
360 valid("if (0) obj._foo; ")
361 valid("if (0) obj.foo$; ")
362 valid("if (0) obj.foo_; ")
363 valid("if (0) obj.foo\\u03bb; ")
364 valid("if (0) new a(b+c).d = 5");
365 valid("if (0) new a(b+c) = 5");
366 valid("([1 || 1].a = 1)");
367 valid("({a: 1 || 1}.a = 1)");
368
369 invalid("var a.b = c");
370 invalid("var a.b;");
371
372 try { eval("a.b.c = {};"); } catch(e1) { e=e1; shouldBe("e.line", "1") }
373 foo = 'FAIL';
374 bar = 'PASS';
375 try {
376 eval("foo = 'PASS'; a.b.c = {}; bar = 'FAIL';");
377 } catch(e) {
378 shouldBe("foo", "'PASS'");
379 shouldBe("bar", "'PASS'");
380 }
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