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add another BUffer unit test

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This commit is contained in:
Josh Holtrop 2017-01-28 12:24:26 -05:00
parent add43beb92
commit 89687100f3
1 changed files with 31 additions and 0 deletions
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31
test/src/test_Buffer.cc
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@ -138,11 +138,14 @@ TEST(BufferTest, adds_a_newline_after_inserted_character_when_inserting_in_an_em
Buffer b; Buffer b;
auto it = b.add_cursor(); auto it = b.add_cursor();
EXPECT_EQ(0u, it->offset()); EXPECT_EQ(0u, it->offset());
EXPECT_FALSE(it->valid());
b.enter_insert_mode(); b.enter_insert_mode();
b.insert_code_point(*it, C('J')); b.insert_code_point(*it, C('J'));
EXPECT_EQ(ss("J\n"), b.get_string()); EXPECT_EQ(ss("J\n"), b.get_string());
EXPECT_EQ(C('\n'), **it); EXPECT_EQ(C('\n'), **it);
EXPECT_TRUE(it->valid());
EXPECT_EQ(0u, it->line());
b.exit_insert_mode(); b.exit_insert_mode();
} }
@ -465,3 +468,31 @@ TEST(BufferTest, inserting_at_beginning_and_end_of_line_in_insert_mode_creates_p
b.redo(); b.redo();
EXPECT_EQ("12abc34\ndef\n", b.get_string()); EXPECT_EQ("12abc34\ndef\n", b.get_string());
} }
TEST(BufferTest, inserts_and_undoes_properly_starting_from_empty_buffer)
{
Buffer b;
auto it = b.add_cursor();
b.enter_insert_mode();
EXPECT_FALSE(it->valid());
b.insert_code_point(*it, C('1'));
EXPECT_TRUE(it->valid());
EXPECT_EQ(0u, it->line());
b.insert_code_point(*it, C('\n'));
EXPECT_EQ(1u, it->line());
b.insert_code_point(*it, C('2'));
EXPECT_EQ(1u, it->line());
b.insert_code_point(*it, C('\n'));
EXPECT_EQ(2u, it->line());
b.insert_code_point(*it, C('3'));
EXPECT_EQ(2u, it->line());
b.exit_insert_mode();
EXPECT_EQ(2u, it->line());
EXPECT_EQ("1\n2\n3\n", b.get_string());
b.undo();
EXPECT_EQ("", b.get_string());
EXPECT_EQ(0u, it->line());
}