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76 lines
3.5 KiB
76 lines
3.5 KiB
#include "utf8_validity.h" |
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#include <gtest/gtest.h> |
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#include "absl/strings/string_view.h" |
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namespace utf8_range { |
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TEST(Utf8Validity, SpanStructurallyValid) { |
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// Test simple good strings |
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EXPECT_EQ(4, SpanStructurallyValid("abcd")); |
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EXPECT_EQ(4, SpanStructurallyValid(absl::string_view("a\0cd", 4))); // NULL |
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EXPECT_EQ(4, SpanStructurallyValid("ab\xc2\x81")); // 2-byte |
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EXPECT_EQ(4, SpanStructurallyValid("a\xe2\x81\x81")); // 3-byte |
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EXPECT_EQ(4, SpanStructurallyValid("\xf2\x81\x81\x81")); // 4 |
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// Test simple bad strings |
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EXPECT_EQ(3, SpanStructurallyValid("abc\x80")); // bad char |
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EXPECT_EQ(3, SpanStructurallyValid("abc\xc2")); // trunc 2 |
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EXPECT_EQ(2, SpanStructurallyValid("ab\xe2\x81")); // trunc 3 |
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EXPECT_EQ(1, SpanStructurallyValid("a\xf2\x81\x81")); // trunc 4 |
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EXPECT_EQ(2, SpanStructurallyValid("ab\xc0\x81")); // not 1 |
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EXPECT_EQ(1, SpanStructurallyValid("a\xe0\x81\x81")); // not 2 |
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EXPECT_EQ(0, SpanStructurallyValid("\xf0\x81\x81\x81")); // not 3 |
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EXPECT_EQ(0, SpanStructurallyValid("\xf4\xbf\xbf\xbf")); // big |
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// surrogate min, max |
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EXPECT_EQ(0, SpanStructurallyValid("\xED\xA0\x80")); // U+D800 |
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EXPECT_EQ(0, SpanStructurallyValid("\xED\xBF\xBF")); // U+DFFF |
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// non-shortest forms should all return false |
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EXPECT_EQ(0, SpanStructurallyValid("\xc0\x80")); |
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EXPECT_EQ(0, SpanStructurallyValid("\xc1\xbf")); |
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EXPECT_EQ(0, SpanStructurallyValid("\xe0\x80\x80")); |
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EXPECT_EQ(0, SpanStructurallyValid("\xe0\x9f\xbf")); |
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EXPECT_EQ(0, SpanStructurallyValid("\xf0\x80\x80\x80")); |
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EXPECT_EQ(0, SpanStructurallyValid("\xf0\x83\xbf\xbf")); |
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// This string unchecked caused GWS to crash 7/2006: |
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// invalid sequence 0xc7 0xc8 0xcd 0xcb |
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EXPECT_EQ(0, SpanStructurallyValid("\xc7\xc8\xcd\xcb")); |
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} |
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TEST(Utf8Validity, IsStructurallyValid) { |
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// Test simple good strings |
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EXPECT_TRUE(IsStructurallyValid("abcd")); |
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EXPECT_TRUE(IsStructurallyValid(absl::string_view("a\0cd", 4))); // NULL |
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EXPECT_TRUE(IsStructurallyValid("ab\xc2\x81")); // 2-byte |
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EXPECT_TRUE(IsStructurallyValid("a\xe2\x81\x81")); // 3-byte |
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EXPECT_TRUE(IsStructurallyValid("\xf2\x81\x81\x81")); // 4 |
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// Test simple bad strings |
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EXPECT_FALSE(IsStructurallyValid("abc\x80")); // bad char |
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EXPECT_FALSE(IsStructurallyValid("abc\xc2")); // trunc 2 |
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EXPECT_FALSE(IsStructurallyValid("ab\xe2\x81")); // trunc 3 |
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EXPECT_FALSE(IsStructurallyValid("a\xf2\x81\x81")); // trunc 4 |
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EXPECT_FALSE(IsStructurallyValid("ab\xc0\x81")); // not 1 |
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EXPECT_FALSE(IsStructurallyValid("a\xe0\x81\x81")); // not 2 |
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EXPECT_FALSE(IsStructurallyValid("\xf0\x81\x81\x81")); // not 3 |
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EXPECT_FALSE(IsStructurallyValid("\xf4\xbf\xbf\xbf")); // big |
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// surrogate min, max |
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EXPECT_FALSE(IsStructurallyValid("\xED\xA0\x80")); // U+D800 |
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EXPECT_FALSE(IsStructurallyValid("\xED\xBF\xBF")); // U+DFFF |
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// non-shortest forms should all return false |
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EXPECT_FALSE(IsStructurallyValid("\xc0\x80")); |
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EXPECT_FALSE(IsStructurallyValid("\xc1\xbf")); |
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EXPECT_FALSE(IsStructurallyValid("\xe0\x80\x80")); |
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EXPECT_FALSE(IsStructurallyValid("\xe0\x9f\xbf")); |
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EXPECT_FALSE(IsStructurallyValid("\xf0\x80\x80\x80")); |
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EXPECT_FALSE(IsStructurallyValid("\xf0\x83\xbf\xbf")); |
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// This string unchecked caused GWS to crash 7/2006: |
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// invalid sequence 0xc7 0xc8 0xcd 0xcb |
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EXPECT_FALSE(IsStructurallyValid("\xc7\xc8\xcd\xcb")); |
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} |
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} // namespace utf8_range
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