1 //===- unittests/Support/LocaleTest.cpp - Locale.h tests ------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/Support/Locale.h"
11 #include "gtest/gtest.h"
18 TEST(Locale, columnWidth) {
19 EXPECT_EQ(0, columnWidth(""));
20 EXPECT_EQ(1, columnWidth(" "));
21 EXPECT_EQ(1, columnWidth("a"));
22 EXPECT_EQ(1, columnWidth("~"));
24 EXPECT_EQ(6, columnWidth("abcdef"));
26 EXPECT_EQ(-1, columnWidth("\x01"));
27 EXPECT_EQ(-1, columnWidth("aaaaaaaaaa\x01"));
28 EXPECT_EQ(-1, columnWidth("\342\200\213")); // 200B ZERO WIDTH SPACE
30 EXPECT_EQ(0, columnWidth("\314\200")); // 0300 COMBINING GRAVE ACCENT
31 EXPECT_EQ(1, columnWidth("\340\270\201")); // 0E01 THAI CHARACTER KO KAI
32 EXPECT_EQ(2, columnWidth("\344\270\200")); // CJK UNIFIED IDEOGRAPH-4E00
34 EXPECT_EQ(4, columnWidth("\344\270\200\344\270\200"));
35 EXPECT_EQ(3, columnWidth("q\344\270\200"));
36 EXPECT_EQ(3, columnWidth("\314\200\340\270\201\344\270\200"));
38 // Invalid UTF-8 strings, columnWidth should error out.
39 EXPECT_EQ(-2, columnWidth("\344"));
40 EXPECT_EQ(-2, columnWidth("\344\270"));
41 EXPECT_EQ(-2, columnWidth("\344\270\033"));
42 EXPECT_EQ(-2, columnWidth("\344\270\300"));
43 EXPECT_EQ(-2, columnWidth("\377\366\355"));
45 EXPECT_EQ(-2, columnWidth("qwer\344"));
46 EXPECT_EQ(-2, columnWidth("qwer\344\270"));
47 EXPECT_EQ(-2, columnWidth("qwer\344\270\033"));
48 EXPECT_EQ(-2, columnWidth("qwer\344\270\300"));
49 EXPECT_EQ(-2, columnWidth("qwer\377\366\355"));
51 // UTF-8 sequences longer than 4 bytes correspond to unallocated Unicode
53 EXPECT_EQ(-2, columnWidth("\370\200\200\200\200")); // U+200000
54 EXPECT_EQ(-2, columnWidth("\374\200\200\200\200\200")); // U+4000000
57 TEST(Locale, isPrint) {
58 EXPECT_EQ(false, isPrint(0)); // <control-0000>-<control-001F>
59 EXPECT_EQ(false, isPrint(0x01));
60 EXPECT_EQ(false, isPrint(0x1F));
61 EXPECT_EQ(true, isPrint(' '));
62 EXPECT_EQ(true, isPrint('A'));
63 EXPECT_EQ(true, isPrint('~'));
64 EXPECT_EQ(false, isPrint(0x7F)); // <control-007F>..<control-009F>
65 EXPECT_EQ(false, isPrint(0x90));
66 EXPECT_EQ(false, isPrint(0x9F));
68 EXPECT_EQ(true, isPrint(0xAC));
69 EXPECT_EQ(false, isPrint(0xAD)); // SOFT HYPHEN
70 EXPECT_EQ(true, isPrint(0xAE));
72 EXPECT_EQ(true, isPrint(0x0377)); // GREEK SMALL LETTER PAMPHYLIAN DIGAMMA
73 EXPECT_EQ(false, isPrint(0x0378)); // <reserved-0378>..<reserved-0379>
75 EXPECT_EQ(false, isPrint(0x0600)); // ARABIC NUMBER SIGN
77 EXPECT_EQ(false, isPrint(0x1FFFF)); // <reserved-1F774>..<noncharacter-1FFFF>
78 EXPECT_EQ(true, isPrint(0x20000)); // CJK UNIFIED IDEOGRAPH-20000
80 EXPECT_EQ(false, isPrint(0x10FFFF)); // noncharacter