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Add a fixed-size array writer

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This commit is contained in:
Victor Zverovich
2015-03-01 18:08:24 -08:00
parent 63b4f0ae1a
commit beaf6f7436
2 changed files with 107 additions and 9 deletions
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36
test/format-test.cc
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@@ -461,6 +461,42 @@ TEST(WriterTest, WWriter) {
EXPECT_EQ(L"cafe", (fmt::WMemoryWriter() << fmt::hex(0xcafe)).str());
}
TEST(ArrayWriterTest, Ctor) {
char array[10] = "garbage";
fmt::ArrayWriter w(array, sizeof(array));
EXPECT_EQ(0u, w.size());
EXPECT_STREQ("", w.c_str());
}
TEST(ArrayWriterTest, CompileTimeSizeCtor) {
char array[10] = "garbage";
fmt::ArrayWriter w(array);
EXPECT_EQ(0u, w.size());
EXPECT_STREQ("", w.c_str());
w.write("{:10}", 1);
}
TEST(ArrayWriterTest, Write) {
char array[10];
fmt::ArrayWriter w(array, sizeof(array));
w.write("{}", 42);
EXPECT_EQ("42", w.str());
}
TEST(ArrayWriterTest, BufferOverflow) {
char array[10];
fmt::ArrayWriter w(array, sizeof(array));
w.write("{:10}", 1);
EXPECT_THROW_MSG(w.write("{}", 1), std::runtime_error, "buffer overflow");
}
TEST(ArrayWriterTest, WChar) {
wchar_t array[10];
fmt::WArrayWriter w(array);
w.write(L"{}", 42);
EXPECT_EQ(L"42", w.str());
}
TEST(FormatterTest, Escape) {
EXPECT_EQ("{", format("{{"));
EXPECT_EQ("before {", format("before {{"));