Add numfmt

tests/test_numfmt.rs

@@ -0,0 +1,108 @@
+use common::util::*;
+
+#[test]
+fn test_from_si() {
+    new_ucmd!()
+        .args(&["--from=si"])
+        .pipe_in("1000\n1.1M\n0.1G")
+        .run()
+        .stdout_is("1000\n1100000\n100000000");
+}
+
+#[test]
+fn test_from_iec() {
+    new_ucmd!()
+        .args(&["--from=iec"])
+        .pipe_in("1024\n1.1M\n0.1G")
+        .run()
+        .stdout_is("1024\n1153434\n107374182");
+}
+
+#[test]
+fn test_from_iec_i() {
+    new_ucmd!()
+        .args(&["--from=iec-i"])
+        .pipe_in("1024\n1.1Mi\n0.1Gi")
+        .run()
+        .stdout_is("1024\n1153434\n107374182");
+}
+
+#[test]
+fn test_from_auto() {
+    new_ucmd!()
+        .args(&["--from=auto"])
+        .pipe_in("1K\n1Ki")
+        .run()
+        .stdout_is("1000\n1024");
+}
+
+#[test]
+fn test_to_si() {
+    new_ucmd!()
+        .args(&["--to=si"])
+        .pipe_in("1000\n1100000\n100000000")
+        .run()
+        .stdout_is("1.0K\n1.1M\n100.0M");
+}
+
+#[test]
+fn test_to_iec() {
+    new_ucmd!()
+        .args(&["--to=iec"])
+        .pipe_in("1024\n1153434\n107374182")
+        .run()
+        .stdout_is("1.0K\n1.1M\n102.4M");
+}
+
+#[test]
+fn test_to_iec_i() {
+    new_ucmd!()
+        .args(&["--to=iec-i"])
+        .pipe_in("1024\n1153434\n107374182")
+        .run()
+        .stdout_is("1.0Ki\n1.1Mi\n102.4Mi");
+}
+
+#[test]
+fn test_input_from_free_arguments() {
+    new_ucmd!()
+        .args(&["--from=si", "1K", "1.1M", "0.1G"])
+        .run()
+        .stdout_is("1000\n1100000\n100000000");
+}
+
+#[test]
+fn test_padding() {
+    new_ucmd!()
+        .args(&["--from=si", "--padding=8"])
+        .pipe_in("1K\n1.1M\n0.1G")
+        .run()
+        .stdout_is("    1000\n 1100000\n100000000");
+}
+
+#[test]
+fn test_negative_padding() {
+    new_ucmd!()
+        .args(&["--from=si", "--padding=-8"])
+        .pipe_in("1K\n1.1M\n0.1G")
+        .run()
+        .stdout_is("1000    \n1100000 \n100000000");
+}
+
+#[test]
+fn test_header() {
+    new_ucmd!()
+        .args(&["--from=si", "--header=2"])
+        .pipe_in("header\nheader2\n1K\n1.1M\n0.1G")
+        .run()
+        .stdout_is("header\nheader2\n1000\n1100000\n100000000");
+}
+
+#[test]
+fn test_header_default() {
+    new_ucmd!()
+        .args(&["--from=si", "--header"])
+        .pipe_in("header\n1K\n1.1M\n0.1G")
+        .run()
+        .stdout_is("header\n1000\n1100000\n100000000");
+}

tests/tests.rs

@@ -63,6 +63,7 @@ generic! {
     "ls", test_ls;
     "mkdir", test_mkdir;
     "mktemp", test_mktemp;
+    "numfmt", test_numfmt;
     "nl", test_nl;
     "od", test_od;
     "paste", test_paste;