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Use copy-and-swap in Tokenizers

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Ensures that the classes behave consistently when copied, moved, copy assigned,
and move assigned.
This commit is contained in:
Richard Berger
2021-04-26 14:28:13 -04:00
parent 0eee2d013d
commit 462f27d661
3 changed files with 111 additions and 4 deletions
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64
unittest/utils/test_tokenizer.cpp
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@ -101,6 +101,38 @@ TEST(Tokenizer, move_constructor)
ASSERT_EQ(u.count(), 3);
}
TEST(Tokenizer, copy_assignment)
{
Tokenizer t(" test word ", " ");
Tokenizer u(" test2 word2 other2 ", " ");
ASSERT_THAT(t.next(), Eq("test"));
ASSERT_THAT(t.next(), Eq("word"));
ASSERT_EQ(t.count(), 2);
Tokenizer v = u;
u = t;
ASSERT_THAT(u.next(), Eq("test"));
ASSERT_THAT(u.next(), Eq("word"));
ASSERT_EQ(u.count(), 2);
ASSERT_THAT(v.next(), Eq("test2"));
ASSERT_THAT(v.next(), Eq("word2"));
ASSERT_THAT(v.next(), Eq("other2"));
ASSERT_EQ(v.count(), 3);
}
TEST(Tokenizer, move_assignment)
{
Tokenizer t(" test word ", " ");
ASSERT_THAT(t.next(), Eq("test"));
ASSERT_THAT(t.next(), Eq("word"));
ASSERT_EQ(t.count(), 2);
t = Tokenizer("test new word ", " ");
ASSERT_THAT(t.next(), Eq("test"));
ASSERT_THAT(t.next(), Eq("new"));
ASSERT_THAT(t.next(), Eq("word"));
ASSERT_EQ(t.count(), 3);
}
TEST(Tokenizer, no_separator_path)
{
Tokenizer t("one", ":");
@ -223,6 +255,38 @@ TEST(ValueTokenizer, move_constructor)
ASSERT_EQ(u.count(), 3);
}
TEST(ValueTokenizer, copy_assignment)
{
ValueTokenizer t(" test word ", " ");
ValueTokenizer u(" test2 word2 other2 ", " ");
ASSERT_THAT(t.next_string(), Eq("test"));
ASSERT_THAT(t.next_string(), Eq("word"));
ASSERT_EQ(t.count(), 2);
ValueTokenizer v = u;
u = t;
ASSERT_THAT(u.next_string(), Eq("test"));
ASSERT_THAT(u.next_string(), Eq("word"));
ASSERT_EQ(u.count(), 2);
ASSERT_THAT(v.next_string(), Eq("test2"));
ASSERT_THAT(v.next_string(), Eq("word2"));
ASSERT_THAT(v.next_string(), Eq("other2"));
ASSERT_EQ(v.count(), 3);
}
TEST(ValueTokenizer, move_assignment)
{
ValueTokenizer t(" test word ", " ");
ASSERT_THAT(t.next_string(), Eq("test"));
ASSERT_THAT(t.next_string(), Eq("word"));
ASSERT_EQ(t.count(), 2);
t = ValueTokenizer("test new word ", " ");
ASSERT_THAT(t.next_string(), Eq("test"));
ASSERT_THAT(t.next_string(), Eq("new"));
ASSERT_THAT(t.next_string(), Eq("word"));
ASSERT_EQ(t.count(), 3);
}
TEST(ValueTokenizer, bad_integer)
{
ValueTokenizer values("f10 f11 f12");