Use `printf` in tests. (#2406)

Co-authored-by: Yong He <yhe@nvidia.com>

7 files changed, 13 insertions, 30 deletions

diff --git a/tests/cpu-program/class-com.slang b/tests/cpu-program/class-com.slang
index 3aec76818..e2812f586 100644
--- a/tests/cpu-program/class-com.slang
+++ b/tests/cpu-program/class-com.slang
@@ -1,7 +1,4 @@
 //TEST:EXECUTABLE:
-__target_intrinsic(cpp, "printf(\"%s\\n\", ($0).getBuffer())")
-void writeln(String text);
-
 [COM("BE18F5D2-4522-4AB0-A6EE-1D157FA2B083")]
 interface IFoo
 {
@@ -17,7 +14,7 @@ class MyClass : IFoo
     }
     int method()
     {
-        writeln("method");
+        printf("method\n");
         return intMember;
     }
 };
diff --git a/tests/cpu-program/class.slang b/tests/cpu-program/class.slang
index 1fc35aed0..1a510118a 100644
--- a/tests/cpu-program/class.slang
+++ b/tests/cpu-program/class.slang
@@ -1,7 +1,4 @@
 //TEST:EXECUTABLE:
-__target_intrinsic(cpp, "printf(\"%s\\n\", ($0).getBuffer())")
-void writeln(String text);
-
 class MyClass
 {
     int intMember;
@@ -11,7 +8,7 @@ class MyClass
     }
     int method()
     {
-        writeln("method");
+        printf("method\n");
         return intMember;
     }
 }
diff --git a/tests/cpu-program/cpu-hello-world.slang b/tests/cpu-program/cpu-hello-world.slang
index 9385b239c..f91e354bc 100644
--- a/tests/cpu-program/cpu-hello-world.slang
+++ b/tests/cpu-program/cpu-hello-world.slang
@@ -1,9 +1,7 @@
 //TEST:EXECUTABLE:
-__target_intrinsic(cpp, "printf(\"%s\\n\", ($0).getBuffer())")
-void writeln(String text);
 
 public __extern_cpp int main()
 {
-    writeln("Hello World.");
+    printf("Hello World.\n");
     return 0;
 }
\ No newline at end of file
diff --git a/tests/cpu-program/gfx-smoke.slang b/tests/cpu-program/gfx-smoke.slang
index 37beede7e..d0acb83db 100644
--- a/tests/cpu-program/gfx-smoke.slang
+++ b/tests/cpu-program/gfx-smoke.slang
@@ -1,7 +1,4 @@
 //TEST:EXECUTABLE:
-__target_intrinsic(cpp, "printf(\"%s\\n\", ($0).getBuffer())")
-void writeln(String text);
-
 import gfx;
 import slang;
 
@@ -13,7 +10,7 @@ public __extern_cpp int main()
     gfx.gfxCreateDevice(&deviceDesc, device);
     if (device == none)
     {
-        writeln("fail");
+        printf("fail\n");
         return -1;
     }
     
@@ -98,7 +95,7 @@ public __extern_cpp int main()
     for (int i = 0; i < 4; i++)
     {
         float val = ((float *)blob.value.getBufferPointer())[i];
-        writeln(String(val));
+        printf("%.1f\n", val);
     }
     return 0;
 }
\ No newline at end of file
diff --git a/tests/cpu-program/gfx-smoke.slang.expected b/tests/cpu-program/gfx-smoke.slang.expected
index aa0dd7680..bf03b7741 100644
--- a/tests/cpu-program/gfx-smoke.slang.expected
+++ b/tests/cpu-program/gfx-smoke.slang.expected
@@ -2,8 +2,8 @@ result code = 0
 standard error = {
 }
 standard output = {
-0
-1
-2
-3
+0.0
+1.0
+2.0
+3.0
 }
diff --git a/tests/cpu-program/pointer-basics.slang b/tests/cpu-program/pointer-basics.slang
index 3054cda1c..e38d866eb 100644
--- a/tests/cpu-program/pointer-basics.slang
+++ b/tests/cpu-program/pointer-basics.slang
@@ -1,7 +1,4 @@
 //TEST:EXECUTABLE:
-__target_intrinsic(cpp, "printf(\"%s\\n\", ($0).getBuffer())")
-void writeln(String text);
-
 public __extern_cpp int main()
 {
     uint2 value;
@@ -19,8 +16,8 @@ public __extern_cpp int main()
         && ptrVal != 0
         && value[0] == 3
         && pValue[1] == 1)
-        writeln("Success");
+        printf("Success\n");
     else
-        writeln("Fail");
+        printf("Fail\n");
     return 0;
 }
\ No newline at end of file
diff --git a/tests/cpu-program/pointer-deref.slang b/tests/cpu-program/pointer-deref.slang
index 34c6ba97f..79f1b2cd0 100644
--- a/tests/cpu-program/pointer-deref.slang
+++ b/tests/cpu-program/pointer-deref.slang
@@ -1,7 +1,4 @@
 //TEST:EXECUTABLE:
-__target_intrinsic(cpp, "printf(\"%s\\n\", ($0).getBuffer())")
-void writeln(String text);
-
 struct SubRecord
 {
     int field2;
@@ -23,11 +20,11 @@ public __extern_cpp int main()
     pRec.sub.field3 = 3.0f;
     if (rec.field == 1 && rec.sub.field2 == 2 && pRec.sub.field3 == 3.0f)
     {
-        writeln("success");
+        printf("success\n");
     }
     else
     {
-        writeln("fail");
+        printf("fail\n");
     }
     return 0;
 }
\ No newline at end of file