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-rw-r--r--graphics/asymptote/tests/types/var.asy86
1 files changed, 86 insertions, 0 deletions
diff --git a/graphics/asymptote/tests/types/var.asy b/graphics/asymptote/tests/types/var.asy
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+++ b/graphics/asymptote/tests/types/var.asy
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+import TestLib;
+StartTest("var");
+var x = 4;
+assert(x + x == 8);
+assert(x^2 == 16);
+assert((real)x == 4.0);
+
+var y = x;
+assert(y + y == 8);
+assert(x + y == 8);
+assert(y^2 == 16);
+assert((real)y == 4.0);
+
+var z = 2 * x;
+assert(z + z == 16);
+assert(x + z == 12);
+assert(z^2 == 64);
+assert((real)z == 8.0);
+
+var t = sin(0);
+assert(t == 0.0);
+assert(2t == 0.0);
+
+struct A {
+ int x;
+};
+
+A a;
+a.x = 3;
+
+var b = a;
+assert(a == b);
+assert(a.x == 3);
+
+A func(int x, int y) { return a; }
+
+var c = func(2,3);
+assert(a == b);
+assert(a.x == 3);
+
+int f(int x) { return x*x; }
+var g = f;
+assert(g == f);
+for (int i = 0; i < 100; ++i)
+ assert(g(i) == i*i);
+
+/* var can be replaced with a normal type. */
+{
+ typedef int var;
+ var x;
+ assert(x == 0);
+
+ var v = 14;
+ assert(v == 14);
+}
+
+{
+ struct var {
+ int x;
+ }
+
+ var n = null;
+ assert(n == null);
+
+ var a;
+ assert(a != null);
+ assert(a.x == 0);
+ a.x = 11;
+ assert(a.x == 11);
+}
+
+// Test for single evaluation of the initializer.
+{
+ int x = 3;
+ assert(x == 3);
+ var y = ++x;
+ assert(x == 4);
+ assert(y == 4);
+}
+
+{
+ int f = 4, f() = null;
+ var x = (int)f;
+ assert(x == 4);
+}
+EndTest();