external-strings.js (1466B)
1 assertEq(newString("", {external: true}), ""); 2 assertEq(newString("abc", {external: true}), "abc"); 3 assertEq(newString("abc\0def\u1234", {external: true}), "abc\0def\u1234"); 4 5 var o = {foo: 2, "foo\0": 4}; 6 var ext = newString("foo", {external: true}); 7 assertEq(o[ext], 2); 8 var ext2 = newString("foo\0", {external: true}); 9 assertEq(o[ext2], 4); 10 11 eval(newString("assertEq(1, 1)", {external: true})); 12 13 // Make sure ensureLinearString does the right thing for external strings. 14 ext = newString("abc\0defg\0", {external: true}); 15 assertEq(ensureLinearString(ext), "abc\0defg\0"); 16 assertEq(ensureLinearString(ext), "abc\0defg\0"); 17 18 for (var s of representativeStringArray()) 19 assertEq(ensureLinearString(s), s); 20 21 for (var s of representativeStringArray()) 22 assertEq(newString(s, {external: true}), s); 23 24 function testQuote() { 25 for (var data of [["abc", "abc"], 26 ["abc\t", "abc\\t"], 27 ["abc\t\t\0", "abc\\t\\t\\x00"], 28 ["abc\\def", "abc\\\\def"]]) { 29 try { 30 assertEq(newString(data[0], {external: true}), false); 31 } catch(e) { 32 assertEq(e.toString().includes('got "' + data[1] + '",'), true) 33 } 34 } 35 } 36 testQuote(); 37 38 function testMaybeExternal() { 39 for (var i=0; i<10; i++) { 40 var s = "abcdef4321" + i; 41 assertEq(newString(s, {maybeExternal: true}), s); 42 if ((i % 2) === 0) 43 assertEq(ensureLinearString(newString(s, {maybeExternal: true})), s); 44 } 45 } 46 testMaybeExternal(); 47 gc(); 48 testMaybeExternal();