Add some tests

Author: jeremy-rifkin

test/CMakeLists.txt

@@ -88,6 +88,8 @@ if(NOT CPPTRACE_SKIP_UNIT)
     unit/internals/result.cpp
     unit/internals/string_utils.cpp
     unit/internals/general.cpp
+    unit/internals/span.cpp
+    unit/internals/string_view.cpp
     unit/lib/formatting.cpp
     unit/lib/nullable.cpp
   )

test/unit/internals/span.cpp

@@ -0,0 +1,52 @@
+#include <gtest/gtest.h>
+#include <gtest/gtest-matchers.h>
+#include <gmock/gmock.h>
+#include <gmock/gmock-matchers.h>
+
+#include "utils/span.hpp"
+
+using cpptrace::detail::span;
+using cpptrace::detail::make_span;
+using cpptrace::detail::make_bspan;
+
+namespace {
+
+TEST(SpanTest, Basic) {
+    std::array<int, 5> arr{1, 2, 3, 4, 5};
+    auto span = make_span(arr.begin(), arr.end());
+    EXPECT_EQ(span.data(), arr.data());
+    EXPECT_EQ(span.size(), 5);
+    EXPECT_EQ(span.data()[0], 1);
+    EXPECT_EQ(span.data()[1], 2);
+    EXPECT_EQ(span.data()[2], 3);
+    EXPECT_EQ(span.data()[3], 4);
+    EXPECT_EQ(span.data()[4], 5);
+}
+
+TEST(SpanTest, PtrSize) {
+    std::array<int, 5> arr{1, 2, 3, 4, 5};
+    auto span = make_span(arr.begin(), arr.size());
+    EXPECT_EQ(span.data(), arr.data());
+    EXPECT_EQ(span.size(), 5);
+    EXPECT_EQ(span.data()[0], 1);
+    EXPECT_EQ(span.data()[1], 2);
+    EXPECT_EQ(span.data()[2], 3);
+    EXPECT_EQ(span.data()[3], 4);
+    EXPECT_EQ(span.data()[4], 5);
+}
+
+TEST(SpanTest, Bspan) {
+    struct S {
+        std::array<char, 4> data;
+    };
+    S s{{'a', 'b', 'c', 'd'}};
+    auto span = make_bspan(s);
+    EXPECT_EQ(span.data(), s.data.data());
+    EXPECT_EQ(span.size(), 4);
+    EXPECT_EQ(span.data()[0], 'a');
+    EXPECT_EQ(span.data()[1], 'b');
+    EXPECT_EQ(span.data()[2], 'c');
+    EXPECT_EQ(span.data()[3], 'd');
+}
+
+}

test/unit/internals/string_view.cpp

@@ -0,0 +1,28 @@
+#include <gtest/gtest.h>
+#include <gtest/gtest-matchers.h>
+#include <gmock/gmock.h>
+#include <gmock/gmock-matchers.h>
+
+#include <string>
+
+#include "utils/string_view.hpp"
+
+using cpptrace::detail::string_view;
+using cpptrace::detail::cstring_view;
+
+namespace {
+
+TEST(StringViewTest, Basic) {
+    string_view sv = "foo";
+    EXPECT_EQ(sv.size(), 3);
+    EXPECT_EQ(sv.data(), std::string("foo"));
+    EXPECT_EQ(sv[0], 'f');
+    EXPECT_EQ(sv[1], 'o');
+    EXPECT_EQ(sv.find_last_of("f"), 0);
+    EXPECT_EQ(sv.find_last_of("o"), 2);
+    EXPECT_EQ(sv.find_last_of("asfd"), 0);
+    EXPECT_EQ(sv.find_last_of("asod"), 2);
+    EXPECT_EQ(sv.find_last_of("bar"), sv.npos);
+}
+
+}