Fixed bug in hex formatting, wrote tests for hex int formatting

2022-02-15 11:34:49 +01:00
parent 7115e09aca
commit 2933676ea2
4 changed files with 63 additions and 3 deletions
--- a/test/src/format_hex.cpp
+++ b/test/src/format_hex.cpp
@@ -0,0 +1,59 @@
+#include <const_fmt/format.h>
+#include <gtest/gtest.h>
+
+
+using namespace const_fmt;
+using namespace const_fmt::const_fmt_detail;
+
+
+TEST(FormatHex, positive_int) {
+    constexpr std::array<char, 8> control1   = {'0', '0', '0', '0',
+                                                '0', '0', '1', '0'};
+    constexpr std::array<char, 8> formatted1 = const_format<"{:08x}">(0x10);
+
+    constexpr std::array<char, 8> control2   = {' ', ' ', ' ', 'F',
+                                                'F', 'A', '7', '6'};
+    constexpr std::array<char, 8> formatted2 = const_format<"{:8x}">(0xffa76);
+
+    constexpr std::array<char, 8> control3   = {'0', '0', '0', '0',
+                                                'B', 'C', 'E', 'F'};
+    constexpr std::array<char, 8> formatted3 = const_format<"{:08.4x}">(0xbcef);
+
+    constexpr std::array<char, 4> control4   = {'A', 'D', '0', '1'};
+    constexpr std::array<char, 4> formatted4 = const_format<"{:4x}">(0xad01);
+
+    constexpr std::array<char, 4> control5   = {'f', 'f', 'f', 'f'};
+    constexpr std::array<char, 4> formatted5 = const_format<"{:4x}">(0x12345);
+
+    EXPECT_EQ(control1, formatted1);
+    EXPECT_EQ(control2, formatted2);
+    EXPECT_EQ(control3, formatted3);
+    EXPECT_EQ(control4, formatted4);
+    EXPECT_EQ(control5, formatted5);
+}
+
+TEST(FormatHex, negative_int) {
+    constexpr std::array<char, 8> control1   = {'-', '0', '0', '0',
+                                                '0', '0', '1', '0'};
+    constexpr std::array<char, 8> formatted1 = const_format<"{:08x}">(-0x10);
+
+    constexpr std::array<char, 8> control2   = {' ', ' ', '-', 'F',
+                                                'F', 'A', '7', '6'};
+    constexpr std::array<char, 8> formatted2 = const_format<"{:8x}">(-0xffa76);
+
+    constexpr std::array<char, 8> control3   = {'-', '0', '0', '0',
+                                                'B', 'C', 'E', 'F'};
+    constexpr std::array<char, 8> formatted3 = const_format<"{:08.4x}">(-0xbcef);
+
+    constexpr std::array<char, 4> control4   = {'-', 'A', 'D', '1'};
+    constexpr std::array<char, 4> formatted4 = const_format<"{:4x}">(-0xad1);
+
+    constexpr std::array<char, 4> control5   = {'-', 'f', 'f', 'f'};
+    constexpr std::array<char, 4> formatted5 = const_format<"{:04x}">(-0x1234);
+
+    EXPECT_EQ(control1, formatted1);
+    EXPECT_EQ(control2, formatted2);
+    EXPECT_EQ(control3, formatted3);
+    EXPECT_EQ(control4, formatted4);
+    EXPECT_EQ(control5, formatted5);
+}