test(iconv): add test cases for utf32le to ascii, utf8, utf16 LE,BE and utf32BE

Author: rishadbaniya

i18n/tests/iconv/mod.rs

@@ -382,3 +382,178 @@ fn iconv_ASCII_to_UTF32BE_conversion_without_c_flag() {
         Vec::new(),
     );
 }
+
+#[test]
+fn iconv_UTF32LE_to_UTF32BE_conversion_without_c_flag() {
+    let cargo_manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
+
+    let input_file = cargo_manifest_dir.join("tests/iconv/test_data_utf32le");
+    let mut input: Vec<u8> = Vec::new();
+    File::open(&input_file)
+        .unwrap()
+        .read_to_end(&mut input)
+        .unwrap();
+
+    let expected_output_file =
+        cargo_manifest_dir.join("tests/iconv/test_data_utf32le_to_utf32be_without_c_flag");
+
+    let mut expected_output: Vec<u8> = Vec::new();
+    File::open(&expected_output_file)
+        .unwrap()
+        .read_to_end(&mut expected_output)
+        .unwrap();
+
+    iconv_test(
+        &["-f", "UTF-32LE", "-t", "UTF-32BE"],
+        input.clone(),
+        expected_output.clone(),
+        Vec::new(),
+    );
+
+    iconv_test(
+        &["-f", "UTF-32LE", "-t", "UTF-32BE", "-"],
+        input,
+        expected_output,
+        Vec::new(),
+    );
+}
+
+#[test]
+fn iconv_UTF32LE_to_ASCII_conversion_with_c_flag() {
+    let cargo_manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
+
+    let input_file = cargo_manifest_dir.join("tests/iconv/test_data_utf32le");
+    let mut input: Vec<u8> = Vec::new();
+    File::open(&input_file)
+        .unwrap()
+        .read_to_end(&mut input)
+        .unwrap();
+
+    let expected_output_file =
+        cargo_manifest_dir.join("tests/iconv/test_data_utf32le_to_ascii_with_c_flag");
+
+    let mut expected_output: Vec<u8> = Vec::new();
+    File::open(&expected_output_file)
+        .unwrap()
+        .read_to_end(&mut expected_output)
+        .unwrap();
+
+    iconv_test(
+        &["-c", "-f", "UTF-32LE", "-t", "ASCII"],
+        input.clone(),
+        expected_output.clone(),
+        Vec::new(),
+    );
+
+    iconv_test(
+        &["-c", "-f", "UTF-32LE", "-t", "ASCII", "-"],
+        input,
+        expected_output,
+        Vec::new(),
+    );
+}
+
+#[test]
+fn iconv_UTF32LE_to_UTF8_conversion_without_c_flag() {
+    let cargo_manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
+
+    let input_file = cargo_manifest_dir.join("tests/iconv/test_data_utf32le");
+    let mut input: Vec<u8> = Vec::new();
+    File::open(&input_file)
+        .unwrap()
+        .read_to_end(&mut input)
+        .unwrap();
+
+    let expected_output_file =
+        cargo_manifest_dir.join("tests/iconv/test_data_utf32le_to_utf8_without_c_flag");
+
+    let mut expected_output: Vec<u8> = Vec::new();
+    File::open(&expected_output_file)
+        .unwrap()
+        .read_to_end(&mut expected_output)
+        .unwrap();
+
+    iconv_test(
+        &["-f", "UTF-32LE", "-t", "UTF-8"],
+        input.clone(),
+        expected_output.clone(),
+        Vec::new(),
+    );
+
+    iconv_test(
+        &["-f", "UTF-32LE", "-t", "UTF-8", "-"],
+        input,
+        expected_output,
+        Vec::new(),
+    );
+}
+
+#[test]
+fn iconv_UTF32LE_to_UTF16LE_conversion_without_c_flag() {
+    let cargo_manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
+
+    let input_file = cargo_manifest_dir.join("tests/iconv/test_data_utf32le");
+    let mut input: Vec<u8> = Vec::new();
+    File::open(&input_file)
+        .unwrap()
+        .read_to_end(&mut input)
+        .unwrap();
+
+    let expected_output_file =
+        cargo_manifest_dir.join("tests/iconv/test_data_utf32le_to_utf16le_without_c_flag");
+
+    let mut expected_output: Vec<u8> = Vec::new();
+    File::open(&expected_output_file)
+        .unwrap()
+        .read_to_end(&mut expected_output)
+        .unwrap();
+
+    iconv_test(
+        &["-f", "UTF-32LE", "-t", "UTF-16LE"],
+        input.clone(),
+        expected_output.clone(),
+        Vec::new(),
+    );
+
+    iconv_test(
+        &["-f", "UTF-32LE", "-t", "UTF-16LE", "-"],
+        input,
+        expected_output,
+        Vec::new(),
+    );
+}
+
+#[test]
+fn iconv_UTF32LE_to_UTF16BE_conversion_without_c_flag() {
+    let cargo_manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
+
+    let input_file = cargo_manifest_dir.join("tests/iconv/test_data_utf32le");
+    let mut input: Vec<u8> = Vec::new();
+    File::open(&input_file)
+        .unwrap()
+        .read_to_end(&mut input)
+        .unwrap();
+
+    let expected_output_file =
+        cargo_manifest_dir.join("tests/iconv/test_data_utf32le_to_utf16be_without_c_flag");
+
+    let mut expected_output: Vec<u8> = Vec::new();
+    File::open(&expected_output_file)
+        .unwrap()
+        .read_to_end(&mut expected_output)
+        .unwrap();
+
+    iconv_test(
+        &["-f", "UTF-32LE", "-t", "UTF-16BE"],
+        input.clone(),
+        expected_output.clone(),
+        Vec::new(),
+    );
+
+    iconv_test(
+        &["-f", "UTF-32LE", "-t", "UTF-16BE", "-"],
+        input,
+        expected_output,
+        Vec::new(),
+    );
+}

i18n/tests/iconv/test_data_utf32le

@@ -0,0 +1,8 @@
+hello from the posixutils everyone
+this is was originally written in UTF16LE
+
+there are lot of emojis here
+                                  
+                                    
+                                     
+         

i18n/tests/iconv/test_data_utf32le_to_ascii_with_c_flag

@@ -0,0 +1,8 @@
+hello from the posixutils everyone
+this is was originally written in UTF16LE
+
+there are lot of emojis here
+💇 👻 🔂 🗓 🗻 🚴 🎉 📁 😮 ⏬ 🌏 🚭 😯 🐙 🍴 🐙 💄 🚝 💶 😀 🐊 ⚡️ 📋 ◽️ ↗️ ⏺ 🗿 🤐 🐢 🐡 😈 🚏 ⏸ 🎛 🈹
+⛵️ 🍸 🐔 ⏺ 👽 👸 🍺 🔮 🍽 🚆 🚰 🔩 🙎 😙 🎗 📸 👀 🚫 🙀 🌸 ☠ 🏪 😜 ⏱ 💌 😵 👹 😈 🛎 ⏺ 🌍 ♌️ ⛈ 🤖 📧 📄 🔲
+⛓ ⛳️ 📼 😁 🌳 🚐 ☯ 💎 🏃 🐢 🍔 😜 🍄 😌 ⏰ ◽️ 😭 💘 ☀️ ✔️ 📫 🚽 🖨 ↪️ 🛋 ✈️ 💅 📊 ⁉️ 🔻 💷 🎍 ⚾️ ↘️ 🎆 🌿 🚀 🎩
+☺️ 🏆 🌲 🌱 🏊 👯 ◾️ 💆 🕤 💊