Testing: Add support for testing stdout results, check builtins

2 files changed, 103 insertions, 0 deletions

diff --git a/tests/builtins.sh b/tests/builtins.sh
new file mode 100755
index 0000000..c37cc2e
--- /dev/null
+++ b/tests/builtins.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+
+# Test Builtin functions
+
+. tests/common.sh
+
+set -e
+
+echo -n "- Print: "
+assert_stdout_text \
+"fn main() { 
+    print(10); print(20); 
+}" \
+"10
+20"
+
+assert_stdout_text \
+"fn test(a: int) {
+    print(100*a);
+}
+fn main() { 
+    test(10);
+}" \
+"1000"
+
+# We don't print negative values yet, need to fix this
+assert_stdout_text \
+"fn main() { 
+    print(-1);
+}" \
+"18446744073709551615"
+
+echo " OK"
+
+echo -n "- putc: "
+assert_stdout_text \
+"fn main() { 
+    putc(65);
+}" \
+"A"
+
+assert_stdout_text \
+"fn main(a: int) {
+    let i: int = 65;
+    for (; i < 65 + 26; i = i + 1)
+        putc(i);
+}" \
+"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+assert_stdout_text \
+"fn main() { 
+    putc(72);
+    putc(101);
+    putc(108);
+    putc(108);
+    putc(111);
+    putc(44);
+    putc(32);
+    putc(87);
+    putc(111);
+    putc(114);
+    putc(108);
+    putc(100);
+    putc(33);
+}" \
+"Hello, World!"
+
+echo " OK"
\ No newline at end of file
diff --git a/tests/common.sh b/tests/common.sh
index 575443c..1047708 100644
--- a/tests/common.sh
+++ b/tests/common.sh
@@ -41,4 +41,39 @@ function assert_compile_failure_stdin() {
         exit 1
     fi
     echo -n "."
+}
+
+function assert_stdout_text() {
+    build/cupcc -c "$1" -o build/test.nasm
+    make build/test.out -s
+
+    set +e
+    output=$(build/test.out)
+    res=$?
+    set -e
+    if [ $res -ne 0 ]
+    then
+        echo ""
+        echo "----------------------------------------------" 
+        echo "Test failed: executable returned non-0 code"
+        echo "----------------------------------------------"
+        echo "$code"
+        exit 1
+    fi
+    if [[ "$output" != $2 ]]
+    then
+        echo ""
+        echo "----------------------------------------------" 
+        echo "Test failed: Did not get expected output"
+        echo "----------------------------------------------"
+        echo "$code"
+        echo "----------------------------------------------"
+        echo "Expected:"
+        echo "$2"
+        echo "----------------------------------------------"
+        echo "Got:"
+        echo "$output"
+        exit 1
+    fi
+    echo -n "."
 }
\ No newline at end of file