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#include "csv.hh"
#include <gtest/gtest.h>
TEST(csv, empty) {
auto csv = csv::open(io::memory(""));
auto line = csv->read();
ASSERT_TRUE(line.has_value());
EXPECT_EQ(0, line.value().size());
}
TEST(csv, one_value) {
auto csv = csv::open(io::memory("foo"));
auto line = csv->read();
ASSERT_TRUE(line.has_value());
ASSERT_EQ(1, line.value().size());
EXPECT_EQ("foo", line.value()[0]);
line = csv->read();
ASSERT_TRUE(line.has_value());
EXPECT_EQ(0, line.value().size());
}
TEST(csv, two_value) {
auto csv = csv::open(io::memory("foo,bar"));
auto line = csv->read();
ASSERT_TRUE(line.has_value());
ASSERT_EQ(2, line.value().size());
EXPECT_EQ("foo", line.value()[0]);
EXPECT_EQ("bar", line.value()[1]);
line = csv->read();
ASSERT_TRUE(line.has_value());
EXPECT_EQ(0, line.value().size());
}
TEST(csv, empty_value) {
auto csv = csv::open(io::memory("foo,,bar,"));
auto line = csv->read();
ASSERT_TRUE(line.has_value());
ASSERT_EQ(4, line.value().size());
EXPECT_EQ("foo", line.value()[0]);
EXPECT_EQ("", line.value()[1]);
EXPECT_EQ("bar", line.value()[2]);
EXPECT_EQ("", line.value()[3]);
line = csv->read();
ASSERT_TRUE(line.has_value());
EXPECT_EQ(0, line.value().size());
}
TEST(csv, many_lines) {
auto csv = csv::open(io::memory("foo,bar\nfoobar\nf,o,o,"));
auto line = csv->read();
ASSERT_TRUE(line.has_value());
ASSERT_EQ(2, line.value().size());
EXPECT_EQ("foo", line.value()[0]);
EXPECT_EQ("bar", line.value()[1]);
line = csv->read();
ASSERT_TRUE(line.has_value());
ASSERT_EQ(1, line.value().size());
EXPECT_EQ("foobar", line.value()[0]);
line = csv->read();
ASSERT_TRUE(line.has_value());
ASSERT_EQ(4, line.value().size());
EXPECT_EQ("f", line.value()[0]);
EXPECT_EQ("o", line.value()[1]);
EXPECT_EQ("o", line.value()[2]);
EXPECT_EQ("", line.value()[3]);
line = csv->read();
ASSERT_TRUE(line.has_value());
EXPECT_EQ(0, line.value().size());
}
TEST(csv, blank_lines) {
auto csv = csv::open(io::memory("foo,bar\n\nbar,foo\n\n"));
auto line = csv->read();
ASSERT_TRUE(line.has_value());
ASSERT_EQ(2, line.value().size());
EXPECT_EQ("foo", line.value()[0]);
EXPECT_EQ("bar", line.value()[1]);
EXPECT_EQ(1, csv->number());
line = csv->read();
ASSERT_TRUE(line.has_value());
ASSERT_EQ(2, line.value().size());
EXPECT_EQ("bar", line.value()[0]);
EXPECT_EQ("foo", line.value()[1]);
EXPECT_EQ(3, csv->number());
line = csv->read();
ASSERT_TRUE(line.has_value());
EXPECT_EQ(0, line.value().size());
EXPECT_EQ(4, csv->number());
}
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