test/script/basic/JDK-8011714.js

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/**
 * JDK-8011714: Regexp decimal escape handling still not correct
 *
 * @test
 * @run
 */

// \0 should be interpreted as <NUL> character here
print(/\08/.test("\x008"));
print(/[\08]/.test("8"));
print(/[\08]/.test("\x00"));

// Can't be converted to octal thus encoded as literal char sequence
print(/\8/.exec("\\8"));
print(/[\8]/.exec("\\"));
print(/[\8]/.exec("8"));

// 0471 is too high for an octal escape so it is \047 outside a character class
// and \\471 inside a character class
print(/\471/.exec("\x271"));
print(/[\471]/.exec("1"));
print(/[\471]/.exec("\x27"));

// 0366 is a valid octal escape (246)
print(/\366/.test("\xf6"));
print(/[\366]/.test("\xf6"));
print(/[\366]/.test("\xf6"));

// more tests for conversion of invalid backreferences to octal escapes or literals
print(/(a)(b)(c)(d)\4/.exec("abcdd"));
print(/(a)(b)(c)(d)\4x/.exec("abcddx"));
print(/(a)(b)(c)(d)\47/.exec("abcdd7"));
print(/(a)(b)(c)(d)\47/.exec("abcd\x27"));
print(/(a)(b)(c)(d)\47xyz/.exec("abcd\x27xyz"));
print(/(a)(b)(c)(d)[\47]/.exec("abcd\x27"));
print(/(a)(b)(c)(d)[\47]xyz/.exec("abcd\x27xyz"));
print(/(a)(b)(c)(d)\48/.exec("abcd\x048"));
print(/(a)(b)(c)(d)\48xyz/.exec("abcd\x048xyz"));
print(/(a)(b)(c)(d)[\48]/.exec("abcd\x04"));
print(/(a)(b)(c)(d)[\48]xyz/.exec("abcd\x04xyz"));
print(/(a)(b)(c)(d)\84/.exec("abcd84"));
print(/(a)(b)(c)(d)\84xyz/.exec("abcd84xyz"));
print(/(a)(b)(c)(d)[\84]/.exec("abcd8"));
print(/(a)(b)(c)(d)[\84]xyz/.exec("abcd8xyz"));