add a few more coverage tests

.github/CONTRIBUTING.md

@@ -97,7 +97,7 @@ Steps:
 - Update changelog if needed
 - Update the version in `.appveyor.yml` and `include/CLI/Version.hpp`.
 - Find and replace in README (new minor/major release only):
-  - Replace " 🆕" and "🆕 " with "" (ignores the description line)
-  - Check for `\/\/$` (vi syntax) to catch leftover `// 🆕`
-  - Replace "🚧" with "🆕" (manually ignore the description line)
+   - Replace " 🆕" and "🆕 " with "" (ignores the description line)
+   - Check for `\/\/$` (vi syntax) to catch leftover `// 🆕`
+   - Replace "🚧" with "🆕" (manually ignore the description line)
 - Make a release in the GitHub UI, use a name such as "Version X.Y(.Z): Title"

CHANGELOG.md

@@ -164,9 +164,9 @@ a lot of backend cleanup, including a complete overhaul of the testing system
 and single file generation system.
 
 - Built-in config format is TOML compliant now [#435][]
-  - Support multiline TOML [#528][]
-  - Support for configurable quotes [#599][]
-  - Support short/positional options in config mode [#443][]
+   - Support multiline TOML [#528][]
+   - Support for configurable quotes [#599][]
+   - Support short/positional options in config mode [#443][]
 - More powerful containers, support for `%%` separator [#423][]
 - Support atomic types [#520][] and complex types natively [#423][]
 - Add a type validator `CLI::TypeValidator<TYPE>` [#526][]
@@ -622,12 +622,12 @@ several warnings, including an experimental optional error on Clang 7. Several
 smaller fixes.
 
 - Fixed help-all formatting [#163][]
-  - Printing help-all on nested command now fixed (App)
-  - Missing space after help-all restored (Default formatter)
-  - More detail printed on help all (Default formatter)
-  - Help-all subcommands get indented with inner blank lines removed (Default
+   - Printing help-all on nested command now fixed (App)
+   - Missing space after help-all restored (Default formatter)
+   - More detail printed on help all (Default formatter)
+   - Help-all subcommands get indented with inner blank lines removed (Default
     formatter)
-  - `detail::find_and_replace` added to utilities
+   - `detail::find_and_replace` added to utilities
 - Fixed CMake install as subproject with `CLI11_INSTALL` flag. [#156][]
 - Fixed warning about local variable hiding class member with MSVC [#157][]
 - Fixed compile error with default settings on Clang 7 and libc++ [#158][]

README.md

@@ -25,33 +25,33 @@ set with a simple and intuitive interface.
 ## Table of Contents
 
 - [Background](#background)
-  - [Introduction](#introduction)
-  - [Why write another CLI parser?](#why-write-another-cli-parser)
-  - [Other parsers](#other-parsers)
-  - [Features not supported by this library](#features-not-supported-by-this-library)
+   - [Introduction](#introduction)
+   - [Why write another CLI parser?](#why-write-another-cli-parser)
+   - [Other parsers](#other-parsers)
+   - [Features not supported by this library](#features-not-supported-by-this-library)
 - [Install](#install)
 - [Usage](#usage)
-  - [Adding options](#adding-options)
-    - [Option types](#option-types)
-    - [Example](#example)
-    - [Option options](#option-options)
-    - [Validators](#validators)
-      - [Transforming Validators](#transforming-validators)
-      - [Validator operations](#validator-operations)
-      - [Custom Validators](#custom-validators)
-      - [Querying Validators](#querying-validators)
-      - [Getting Results](#getting-results)
-  - [Subcommands](#subcommands)
-    - [Subcommand options](#subcommand-options)
-    - [Option groups](#option-groups)
-    - [Callbacks](#callbacks)
-  - [Configuration file](#configuration-file)
-  - [Inheriting defaults](#inheriting-defaults)
-  - [Formatting](#formatting)
-  - [Subclassing](#subclassing)
-  - [How it works](#how-it-works)
-  - [Utilities](#utilities)
-  - [Other libraries](#other-libraries)
+   - [Adding options](#adding-options)
+      - [Option types](#option-types)
+      - [Example](#example)
+      - [Option options](#option-options)
+      - [Validators](#validators)
+         - [Transforming Validators](#transforming-validators)
+         - [Validator operations](#validator-operations)
+         - [Custom Validators](#custom-validators)
+         - [Querying Validators](#querying-validators)
+         - [Getting Results](#getting-results)
+   - [Subcommands](#subcommands)
+      - [Subcommand options](#subcommand-options)
+      - [Option groups](#option-groups)
+      - [Callbacks](#callbacks)
+   - [Configuration file](#configuration-file)
+   - [Inheriting defaults](#inheriting-defaults)
+   - [Formatting](#formatting)
+   - [Subclassing](#subclassing)
+   - [How it works](#how-it-works)
+   - [Utilities](#utilities)
+   - [Other libraries](#other-libraries)
 - [API](#api)
 - [Examples](#Examples)
 - [Contribute](#contribute)

include/CLI/ConfigFwd.hpp

@@ -61,7 +61,7 @@ class Config {
         if(item.inputs.empty()) {
             return "{}";
         }
-        throw ConversionError::TooManyInputsFlag(item.fullname());
+        throw ConversionError::TooManyInputsFlag(item.fullname()); //LCOV_EXCL_LINE
     }
 
     /// Parse a config file, throw an error (ParseError:ConfigParseError or FileError) on failure

tests/HelpersTest.cpp

@@ -1065,6 +1065,10 @@ TEST_CASE("Types: LexicalCastInt", "[helpers]") {
     std::string extra_input = "912i";
     CHECK_FALSE(CLI::detail::lexical_cast(extra_input, y));
 
+    extra_input = "true";
+    CHECK(CLI::detail::lexical_cast(extra_input, y));
+    CHECK(static_cast<bool>(y));
+
     std::string empty_input{};
     CHECK_FALSE(CLI::detail::lexical_cast(empty_input, x_signed));
     CHECK_FALSE(CLI::detail::lexical_cast(empty_input, x_unsigned));