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Implement an escape mechanism.

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This commit is contained in:
Victor Zverovich
2012-12-10 15:04:55 -08:00
parent 6caa750a00
commit 31a507034e
3 changed files with 53 additions and 22 deletions
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format_test.cc
+23 -4
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@@ -66,8 +66,28 @@ class TestString {
}
};
TEST(FormatterTest, Escape) {
EXPECT_EQ("{", str(Format("{{")));
EXPECT_EQ("before {", str(Format("before {{")));
EXPECT_EQ("{ after", str(Format("{{ after")));
EXPECT_EQ("before { after", str(Format("before {{ after")));
EXPECT_EQ("}", str(Format("}}")));
EXPECT_EQ("before }", str(Format("before }}")));
EXPECT_EQ("} after", str(Format("}} after")));
EXPECT_EQ("before } after", str(Format("before }} after")));
EXPECT_EQ("{}", str(Format("{{}}")));
EXPECT_EQ("{42}", str(Format("{{{0}}}") << 42));
}
TEST(FormatterTest, UnmatchedBraces) {
EXPECT_THROW_MSG(Format("{"), FormatError, "unmatched '{' in format");
EXPECT_THROW_MSG(Format("}"), FormatError, "unmatched '}' in format");
EXPECT_THROW_MSG(Format("{0{}"), FormatError, "unmatched '{' in format");
}
TEST(FormatterTest, NoArgs) {
EXPECT_EQ("abracadabra", str(Format("{0}{1}{0}") << "abra" << "cad"));
EXPECT_EQ("test", str(Format("test")));
}
@@ -77,7 +97,8 @@ TEST(FormatterTest, ArgsInDifferentPositions) {
EXPECT_EQ("42 after", str(Format("{0} after") << 42));
EXPECT_EQ("before 42 after", str(Format("before {0} after") << 42));
EXPECT_EQ("answer = 42", str(Format("{0} = {1}") << "answer" << 42));
EXPECT_EQ("42 is the answer", str(Format("{1} is the {0}") << "answer" << 42));
EXPECT_EQ("42 is the answer",
str(Format("{1} is the {0}") << "answer" << 42));
EXPECT_EQ("abracadabra", str(Format("{0}{1}{0}") << "abra" << "cad"));
}
@@ -424,5 +445,3 @@ TEST(FormatterTest, FormatStringFromSpeedTest) {
<< 1.234 << 42 << 3.13 << "str"
<< reinterpret_cast<void*>(1000) << 'X'));
}
// TODO: more tests