Add integration tests

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

.gitignore

@@ -1 +1,2 @@
+tests/*.got
 /target

runtests.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+function die() {
+    local msg
+    msg="$1"
+    echo "$msg - exiting"
+    exit 1
+}
+
+here="$(realpath "$(dirname "$0")")"
+tests="$here/tests"
+flags="--quiet --release"
+
+echo "building"
+cargo build $flags || die "build failed"
+
+echo "testing"
+find "$tests" -type f -name '*.npp' | while read f; do
+    result="$(cargo run $flags -- "$f")"
+
+    echo "$result" > "$f.got"
+
+    if [[ "$result" != "$(cat "$f.expect")" ]]; then
+        echo "$f did not match expected output"
+        diff "$f.got" "$f.expect"
+    fi
+done
+
+echo "done"

tests/int.npp

@@ -0,0 +1,101 @@
+# Int type operator and function tests
+
+# assign
+a = 10
+b = 20
+
+println(a)
+println(b)
+
+# __add__
+println("__add__")
+println(1 + 1)
+println(1 + 2 + 3)
+println(1938 + 481)
+println(a + b)
+println(b + a)
+
+# __sub__
+println("__sub__")
+println(1 - 2)
+println(2 - 1)
+println(0 - 10)
+println(185 - 86171)
+println(a - b)
+println(b - a)
+
+# __mul__
+println("__mul__")
+println(1 * 1)
+println(1 * -1)
+println(-1 * 1)
+println(0 * -1)
+println(-1 * 0)
+println(2 * 32768)
+println(2 * 2 * 2 * 2)
+println(999 * 999)
+println(a * b)
+println(a * a * b * b)
+
+# __div__
+println("__div__")
+println(1 / 1)
+println(1 / 2)
+println(2 / 1)
+println(363 / 3)
+println(3 / 363)
+println(a / b)
+println(b / a)
+
+# __gt__
+println("__gt__")
+println(1 > 2)
+println(2 > 1)
+println(5831 > -391)
+println(-34888 > 1000)
+println(1 > 1)
+println(2 > 2)
+
+# __ge__
+println("__ge__")
+println(1 >= 2)
+println(2 >= 1)
+println(81001 >= 81001)
+println(-81001 >= 1000)
+println(1 >= 1)
+println(2 >= 2)
+
+# __lt__
+println("__lt__")
+println(1 < 2)
+println(2 < 1)
+println(81001 < 81001)
+println(-81001 < 1000)
+println(1 < 1)
+println(2 < 2)
+
+# __le__
+println("__le__")
+println(1 <= 2)
+println(2 <= 1)
+println(81001 <= 81001)
+println(-81001 <= 1000)
+println(1 <= 1)
+println(2 <= 2)
+
+# __pos__
+println("__pos__")
+println(+1)
+println(+(-1))
+println(+(10 - 20))
+println(+(20 - 10))
+
+# __neg__
+println("__neg__")
+println(-1)
+println(--1)
+println(---1)
+println(----1)
+println(10 - -20)
+println(-10 - 20)
+println(-10 - -20)

tests/int.npp.expect

@@ -0,0 +1,75 @@
+10
+20
+__add__
+2
+6
+2419
+30
+30
+__sub__
+-1
+1
+-10
+-85986
+-10
+10
+__mul__
+1
+-1
+-1
+0
+0
+65536
+16
+998001
+200
+40000
+__div__
+1
+0
+2
+121
+0
+0
+2
+__gt__
+false
+true
+true
+false
+false
+false
+__ge__
+false
+true
+true
+false
+true
+true
+__lt__
+true
+false
+false
+true
+false
+false
+__le__
+true
+false
+true
+true
+true
+true
+__pos__
+1
+1
+10
+10
+__neg__
+-1
+1
+-1
+1
+30
+-30
+10

tests/str.npp

@@ -0,0 +1,40 @@
+# Str type operator and function tests
+
+a = "asdf"
+b = 'This is a longer sentence'
+c = 'the quick brown fox jumped over the lazy dog\'s escaped characters'
+
+# to_str
+println("to_str")
+println(a)
+println(a.to_str())
+println(b)
+println(b.to_str())
+println(c)
+println(c.to_str())
+
+# to_repr
+println("to_repr")
+println("to_repr".to_repr())
+println(a.to_repr())
+println(b.to_repr())
+println(c.to_repr())
+println('I would\ninclude a\nmultiline string if\nit wasn\'t such a\npain to\ntest in the\n.expect file'.to_repr())
+
+# len
+println("len")
+println(a.len())
+println(b.len())
+println(c.len())
+
+# __add__
+println("__add__")
+println(a + a)
+println(a + a + a)
+println(a + b)
+println(b + a)
+# __mul__
+println("__mul__")
+println(a * 4)
+println(b * 5)
+println((a * 6).to_repr())

tests/str.npp.expect

@@ -0,0 +1,26 @@
+to_str
+asdf
+asdf
+This is a longer sentence
+This is a longer sentence
+the quick brown fox jumped over the lazy dog's escaped characters
+the quick brown fox jumped over the lazy dog's escaped characters
+to_repr
+'to_repr'
+'asdf'
+'This is a longer sentence'
+'the quick brown fox jumped over the lazy dog\'s escaped characters'
+'I would\ninclude a\nmultiline string if\nit wasn\'t such a\npain to\ntest in the\n.expect file'
+len
+4
+25
+65
+__add__
+asdfasdf
+asdfasdfasdf
+asdfThis is a longer sentence
+This is a longer sentenceasdf
+__mul__
+asdfasdfasdfasdf
+This is a longer sentenceThis is a longer sentenceThis is a longer sentenceThis is a longer sentenceThis is a longer sentence
+'asdfasdfasdfasdfasdfasdf'