mirror of
https://github.com/robertkrimen/otto
synced 2025-10-26 20:28:49 +08:00
99 lines
2.6 KiB
Go
99 lines
2.6 KiB
Go
package otto
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import (
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. "./terst"
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"testing"
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)
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func TestRegExp(t *testing.T) {
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Terst(t)
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test := runTest()
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test(`
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abc = new RegExp("abc").exec("123abc456")
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def = new RegExp("xyzzy").exec("123abc456")
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ghi = new RegExp("1(\\d+)").exec("123abc456")
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jkl = new RegExp("xyzzy").test("123abc456")
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mno = new RegExp("1(\\d+)").test("123abc456")
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`)
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test(`new RegExp("abc").exec("123abc456")`, "abc")
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test("def", "null")
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test("ghi", "123,23")
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test("jkl", "false")
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test("mno", "true")
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test(`new RegExp("abc").toString()`, "/abc/")
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test(`new RegExp("abc", "g").toString()`, "/abc/g")
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test(`new RegExp("abc", "mig").toString()`, "/abc/gim")
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test(`/abc/.toString()`, "/abc/")
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test(`/abc/gim.toString()`, "/abc/gim")
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test(`""+/abc/gi`, "/abc/gi")
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result := test(`/(a)?/.exec('b')`, ",")
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Is(result._object().get("0"), "")
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Is(result._object().get("1"), "undefined")
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Is(result._object().get("length"), "2")
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result = test(`/(a)?(b)?/.exec('b')`, "b,,b")
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Is(result._object().get("0"), "b")
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Is(result._object().get("1"), "undefined")
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Is(result._object().get("2"), "b")
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Is(result._object().get("length"), "3")
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test(`/\u0041/.source`, "\\u0041")
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test(`/\a/.source`, "\\a")
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test(`/\;/.source`, "\\;")
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test(`/a\a/.source`, "a\\a")
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test(`/,\;/.source`, ",\\;")
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test(`/ \ /.source`, " \\ ")
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// Start sanity check...
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test("eval(\"/abc/\").source", "abc")
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test("eval(\"/\u0023/\").source", "#")
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test("eval(\"/\u0058/\").source", "X")
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test("eval(\"/\\\u0023/\").source == \"\\\u0023\"", "true")
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test("'0x' + '0058'", "0x0058")
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test("'\\\\' + '0x' + '0058'", "\\0x0058")
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// ...stop sanity check
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test(`abc = '\\' + String.fromCharCode('0x' + '0058'); eval('/' + abc + '/').source`, "\\X")
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test(`abc = '\\' + String.fromCharCode('0x0058'); eval('/' + abc + '/').source == "\\\u0058"`, "true")
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test(`abc = '\\' + String.fromCharCode('0x0023'); eval('/' + abc + '/').source == "\\\u0023"`, "true")
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test(`abc = '\\' + String.fromCharCode('0x0078'); eval('/' + abc + '/').source == "\\\u0078"`, "true")
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}
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func TestRegExp_exec(t *testing.T) {
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Terst(t)
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test := runTest()
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test(`
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abc = /./g;
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def = '123456';
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ghi = 0;
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while (ghi < 100 && abc.exec(def) !== null) {
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ghi += 1;
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}
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[ ghi, def.length, ghi == def.length ];
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`, "6,6,true")
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test(`
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abc = /[abc](\d)?/g;
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def = 'a0 b c1 d3';
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ghi = 0;
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lastIndex = 0;
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while (ghi < 100 && abc.exec(def) !== null) {
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lastIndex = abc.lastIndex;
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ghi += 1;
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}
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[ ghi, lastIndex ];
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`, "3,7")
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test(`raise:
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var exec = RegExp.prototype.exec;
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exec("Xyzzy");
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`, "TypeError: Calling RegExp.exec on a non-RegExp object")
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}
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