| function toLatin1(s) { |
| assertEq(isLatin1(s), true); |
| return s; |
| } |
| function testStartsWith() { |
| var s1 = toLatin1("abc\u0099def"); |
| var s2 = toLatin1("abc\u0099d"); |
| var s3 = toLatin1("abc\u0098d"); |
| var s4 = toLatin1("bc\u0099"); |
| |
| // Latin1 + Latin1 |
| assertEq(s1.startsWith(s2), true); |
| assertEq(s1.startsWith(s3), false); |
| assertEq(s1.startsWith(s4), false); |
| assertEq(s1.startsWith(s4, 1), true); |
| assertEq(s1.startsWith(s1), true); |
| |
| // Latin1 + TwoByte |
| assertEq(s1.startsWith("abc\u0099\u1200".slice(0, -1)), true); |
| assertEq(s1.startsWith("abc\u0099e\u1200".slice(0, -1)), false); |
| assertEq(s1.startsWith("bc\u0099\u1200".slice(0, -1), 1), true); |
| assertEq(s1.startsWith("\u1200"), false); |
| |
| // TwoByte + Latin1 |
| var s5 = "abc\u0099de\u1200"; |
| assertEq(s5.startsWith(s1), false); |
| assertEq(s5.startsWith(s2), true); |
| assertEq(s5.startsWith(s4), false); |
| assertEq(s5.startsWith(s4, 1), true); |
| |
| // TwoByte + TwoByte |
| assertEq(s5.startsWith(s5), true); |
| assertEq(s5.startsWith("\u1200"), false); |
| assertEq(s5.startsWith("\u1200", 6), true); |
| } |
| testStartsWith(); |
| |
| function testEndsWith() { |
| var s1 = toLatin1("zabc\u0099defg"); |
| var s2 = toLatin1("\u0099defg"); |
| var s3 = toLatin1("\u0098defg"); |
| var s4 = toLatin1("zabc\u0099def"); |
| |
| // Latin1 + Latin1 |
| assertEq(s1.endsWith(s2), true); |
| assertEq(s1.endsWith(s3), false); |
| assertEq(s1.endsWith(s4), false); |
| assertEq(s1.endsWith(s4, 8), true); |
| assertEq(s1.endsWith(s1), true); |
| |
| // Latin1 + TwoByte |
| assertEq(s1.endsWith("abc\u0099defg\u1200".slice(0, -1)), true); |
| assertEq(s1.endsWith("\u1100efg\u1200".slice(0, -1)), false); |
| assertEq(s1.endsWith("bc\u0099\u1200".slice(0, -1), 5), true); |
| assertEq(s1.endsWith("\u1200"), false); |
| |
| // TwoByte + Latin1 |
| var s5 = "\u1200zabc\u0099defg"; |
| assertEq(s5.endsWith(s1), true); |
| assertEq(s5.endsWith(s2), true); |
| assertEq(s5.endsWith(s4), false); |
| assertEq(s5.endsWith(s4, 9), true); |
| |
| // TwoByte + TwoByte |
| assertEq(s5.endsWith(s5), true); |
| assertEq(s5.endsWith("\u1200"), false); |
| assertEq(s5.endsWith("\u1200za", 3), true); |
| } |
| testEndsWith(); |