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#include "prefix_tree.hh"
#include "str.hh"
#include <gtest/gtest.h>
TEST(prefix_tree, empty) {
auto builder = prefix_tree::builder();
auto tree = builder->build();
ASSERT_TRUE(tree.has_value());
auto ret = prefix_tree::lookup(tree.value(), "");
EXPECT_FALSE(ret.has_value());
ret = prefix_tree::lookup(tree.value(), "foo");
EXPECT_FALSE(ret.has_value());
}
TEST(prefix_tree, sanity) {
auto builder = prefix_tree::builder();
builder->add("foo");
builder->add("bar");
builder->add("foobar");
auto tree = builder->build();
ASSERT_TRUE(tree.has_value());
auto ret = prefix_tree::lookup(tree.value(), "");
EXPECT_FALSE(ret.has_value());
ret = prefix_tree::lookup(tree.value(), "foo");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
ret = prefix_tree::lookup(tree.value(), "foobar");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(6, ret.value());
ret = prefix_tree::lookup(tree.value(), "bar");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
ret = prefix_tree::lookup(tree.value(), "ba");
EXPECT_FALSE(ret.has_value());
ret = prefix_tree::lookup(tree.value(), "barf");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
ret = prefix_tree::lookup(tree.value(), "foob");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
ret = prefix_tree::lookup(tree.value(), "foozum");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
ret = prefix_tree::lookup(tree.value(), "barfoo");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
}
TEST(prefix_tree, many_and_long) {
auto builder = prefix_tree::builder();
for (auto str : str::split(
"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do "
"eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut "
"enim ad minim veniam, quis nostrud exercitation ullamco laboris "
"nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in "
"reprehenderit in voluptate velit esse cillum dolore eu fugiat "
"nulla pariatur. Excepteur sint occaecat cupidatat non proident, "
"sunt in culpa qui officia deserunt mollit anim id est laborum.")) {
builder->add(str);
}
auto tree = builder->build();
ASSERT_TRUE(tree.has_value());
auto ret = prefix_tree::lookup(tree.value(), "");
EXPECT_FALSE(ret.has_value());
ret = prefix_tree::lookup(tree.value(), "Lorem");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(5, ret.value());
ret = prefix_tree::lookup(tree.value(), "cillum");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(6, ret.value());
}
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