summaryrefslogtreecommitdiff
path: root/include/kunit/assert.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/kunit/assert.h')
-rw-r--r--include/kunit/assert.h220
1 files changed, 61 insertions, 159 deletions
diff --git a/include/kunit/assert.h b/include/kunit/assert.h
index ccbc36c0b02f..4b52e12c2ae8 100644
--- a/include/kunit/assert.h
+++ b/include/kunit/assert.h
@@ -29,57 +29,33 @@ enum kunit_assert_type {
};
/**
+ * struct kunit_loc - Identifies the source location of a line of code.
+ * @line: the line number in the file.
+ * @file: the file name.
+ */
+struct kunit_loc {
+ int line;
+ const char *file;
+};
+
+#define KUNIT_CURRENT_LOC { .file = __FILE__, .line = __LINE__ }
+
+/**
* struct kunit_assert - Data for printing a failed assertion or expectation.
- * @test: the test case this expectation/assertion is associated with.
- * @type: the type (either an expectation or an assertion) of this kunit_assert.
- * @line: the source code line number that the expectation/assertion is at.
- * @file: the file path of the source file that the expectation/assertion is in.
- * @message: an optional message to provide additional context.
* @format: a function which formats the data in this kunit_assert to a string.
*
* Represents a failed expectation/assertion. Contains all the data necessary to
* format a string to a user reporting the failure.
*/
struct kunit_assert {
- struct kunit *test;
- enum kunit_assert_type type;
- int line;
- const char *file;
- struct va_format message;
void (*format)(const struct kunit_assert *assert,
+ const struct va_format *message,
struct string_stream *stream);
};
-/**
- * KUNIT_INIT_VA_FMT_NULL - Default initializer for struct va_format.
- *
- * Used inside a struct initialization block to initialize struct va_format to
- * default values where fmt and va are null.
- */
-#define KUNIT_INIT_VA_FMT_NULL { .fmt = NULL, .va = NULL }
-
-/**
- * KUNIT_INIT_ASSERT_STRUCT() - Initializer for a &struct kunit_assert.
- * @kunit: The test case that this expectation/assertion is associated with.
- * @assert_type: The type (assertion or expectation) of this kunit_assert.
- * @fmt: The formatting function which builds a string out of this kunit_assert.
- *
- * The base initializer for a &struct kunit_assert.
- */
-#define KUNIT_INIT_ASSERT_STRUCT(kunit, assert_type, fmt) { \
- .test = kunit, \
- .type = assert_type, \
- .file = __FILE__, \
- .line = __LINE__, \
- .message = KUNIT_INIT_VA_FMT_NULL, \
- .format = fmt \
-}
-
-void kunit_base_assert_format(const struct kunit_assert *assert,
- struct string_stream *stream);
-
-void kunit_assert_print_msg(const struct kunit_assert *assert,
- struct string_stream *stream);
+void kunit_assert_prologue(const struct kunit_loc *loc,
+ enum kunit_assert_type type,
+ struct string_stream *stream);
/**
* struct kunit_fail_assert - Represents a plain fail expectation/assertion.
@@ -92,20 +68,17 @@ struct kunit_fail_assert {
};
void kunit_fail_assert_format(const struct kunit_assert *assert,
+ const struct va_format *message,
struct string_stream *stream);
/**
- * KUNIT_INIT_FAIL_ASSERT_STRUCT() - Initializer for &struct kunit_fail_assert.
- * @test: The test case that this expectation/assertion is associated with.
- * @type: The type (assertion or expectation) of this kunit_assert.
+ * KUNIT_INIT_FAIL_ASSERT_STRUCT - Initializer for &struct kunit_fail_assert.
*
* Initializes a &struct kunit_fail_assert. Intended to be used in
* KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
*/
-#define KUNIT_INIT_FAIL_ASSERT_STRUCT(test, type) { \
- .assert = KUNIT_INIT_ASSERT_STRUCT(test, \
- type, \
- kunit_fail_assert_format) \
+#define KUNIT_INIT_FAIL_ASSERT_STRUCT { \
+ .assert = { .format = kunit_fail_assert_format }, \
}
/**
@@ -125,22 +98,19 @@ struct kunit_unary_assert {
};
void kunit_unary_assert_format(const struct kunit_assert *assert,
+ const struct va_format *message,
struct string_stream *stream);
/**
* KUNIT_INIT_UNARY_ASSERT_STRUCT() - Initializes &struct kunit_unary_assert.
- * @test: The test case that this expectation/assertion is associated with.
- * @type: The type (assertion or expectation) of this kunit_assert.
* @cond: A string representation of the expression asserted true or false.
* @expect_true: True if of type KUNIT_{EXPECT|ASSERT}_TRUE, false otherwise.
*
* Initializes a &struct kunit_unary_assert. Intended to be used in
* KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
*/
-#define KUNIT_INIT_UNARY_ASSERT_STRUCT(test, type, cond, expect_true) { \
- .assert = KUNIT_INIT_ASSERT_STRUCT(test, \
- type, \
- kunit_unary_assert_format), \
+#define KUNIT_INIT_UNARY_ASSERT_STRUCT(cond, expect_true) { \
+ .assert = { .format = kunit_unary_assert_format }, \
.condition = cond, \
.expected_true = expect_true \
}
@@ -162,35 +132,43 @@ struct kunit_ptr_not_err_assert {
};
void kunit_ptr_not_err_assert_format(const struct kunit_assert *assert,
+ const struct va_format *message,
struct string_stream *stream);
/**
* KUNIT_INIT_PTR_NOT_ERR_ASSERT_STRUCT() - Initializes a
* &struct kunit_ptr_not_err_assert.
- * @test: The test case that this expectation/assertion is associated with.
- * @type: The type (assertion or expectation) of this kunit_assert.
* @txt: A string representation of the expression passed to the expectation.
* @val: The actual evaluated pointer value of the expression.
*
* Initializes a &struct kunit_ptr_not_err_assert. Intended to be used in
* KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
*/
-#define KUNIT_INIT_PTR_NOT_ERR_STRUCT(test, type, txt, val) { \
- .assert = KUNIT_INIT_ASSERT_STRUCT(test, \
- type, \
- kunit_ptr_not_err_assert_format), \
+#define KUNIT_INIT_PTR_NOT_ERR_STRUCT(txt, val) { \
+ .assert = { .format = kunit_ptr_not_err_assert_format }, \
.text = txt, \
.value = val \
}
/**
+ * struct kunit_binary_assert_text - holds strings for &struct
+ * kunit_binary_assert and friends to try and make the structs smaller.
+ * @operation: A string representation of the comparison operator (e.g. "==").
+ * @left_text: A string representation of the left expression (e.g. "2+2").
+ * @right_text: A string representation of the right expression (e.g. "2+2").
+ */
+struct kunit_binary_assert_text {
+ const char *operation;
+ const char *left_text;
+ const char *right_text;
+};
+
+/**
* struct kunit_binary_assert - An expectation/assertion that compares two
* non-pointer values (for example, KUNIT_EXPECT_EQ(test, 1 + 1, 2)).
* @assert: The parent of this type.
- * @operation: A string representation of the comparison operator (e.g. "==").
- * @left_text: A string representation of the expression in the left slot.
+ * @text: Holds the textual representations of the operands and op (e.g. "==").
* @left_value: The actual evaluated value of the expression in the left slot.
- * @right_text: A string representation of the expression in the right slot.
* @right_value: The actual evaluated value of the expression in the right slot.
*
* Represents an expectation/assertion that compares two non-pointer values. For
@@ -199,44 +177,36 @@ void kunit_ptr_not_err_assert_format(const struct kunit_assert *assert,
*/
struct kunit_binary_assert {
struct kunit_assert assert;
- const char *operation;
- const char *left_text;
+ const struct kunit_binary_assert_text *text;
long long left_value;
- const char *right_text;
long long right_value;
};
void kunit_binary_assert_format(const struct kunit_assert *assert,
+ const struct va_format *message,
struct string_stream *stream);
/**
- * KUNIT_INIT_BINARY_ASSERT_STRUCT() - Initializes a
- * &struct kunit_binary_assert.
- * @test: The test case that this expectation/assertion is associated with.
- * @type: The type (assertion or expectation) of this kunit_assert.
- * @op_str: A string representation of the comparison operator (e.g. "==").
- * @left_str: A string representation of the expression in the left slot.
+ * KUNIT_INIT_BINARY_ASSERT_STRUCT() - Initializes a binary assert like
+ * kunit_binary_assert, kunit_binary_ptr_assert, etc.
+ *
+ * @format_func: a function which formats the assert to a string.
+ * @text_: Pointer to a kunit_binary_assert_text.
* @left_val: The actual evaluated value of the expression in the left slot.
- * @right_str: A string representation of the expression in the right slot.
* @right_val: The actual evaluated value of the expression in the right slot.
*
- * Initializes a &struct kunit_binary_assert. Intended to be used in
- * KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
+ * Initializes a binary assert like kunit_binary_assert,
+ * kunit_binary_ptr_assert, etc. This relies on these structs having the same
+ * fields but with different types for left_val/right_val.
+ * This is ultimately used by binary assertion macros like KUNIT_EXPECT_EQ, etc.
*/
-#define KUNIT_INIT_BINARY_ASSERT_STRUCT(test, \
- type, \
- op_str, \
- left_str, \
+#define KUNIT_INIT_BINARY_ASSERT_STRUCT(format_func, \
+ text_, \
left_val, \
- right_str, \
right_val) { \
- .assert = KUNIT_INIT_ASSERT_STRUCT(test, \
- type, \
- kunit_binary_assert_format), \
- .operation = op_str, \
- .left_text = left_str, \
+ .assert = { .format = format_func }, \
+ .text = text_, \
.left_value = left_val, \
- .right_text = right_str, \
.right_value = right_val \
}
@@ -244,10 +214,8 @@ void kunit_binary_assert_format(const struct kunit_assert *assert,
* struct kunit_binary_ptr_assert - An expectation/assertion that compares two
* pointer values (for example, KUNIT_EXPECT_PTR_EQ(test, foo, bar)).
* @assert: The parent of this type.
- * @operation: A string representation of the comparison operator (e.g. "==").
- * @left_text: A string representation of the expression in the left slot.
+ * @text: Holds the textual representations of the operands and op (e.g. "==").
* @left_value: The actual evaluated value of the expression in the left slot.
- * @right_text: A string representation of the expression in the right slot.
* @right_value: The actual evaluated value of the expression in the right slot.
*
* Represents an expectation/assertion that compares two pointer values. For
@@ -256,55 +224,21 @@ void kunit_binary_assert_format(const struct kunit_assert *assert,
*/
struct kunit_binary_ptr_assert {
struct kunit_assert assert;
- const char *operation;
- const char *left_text;
+ const struct kunit_binary_assert_text *text;
const void *left_value;
- const char *right_text;
const void *right_value;
};
void kunit_binary_ptr_assert_format(const struct kunit_assert *assert,
+ const struct va_format *message,
struct string_stream *stream);
/**
- * KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT() - Initializes a
- * &struct kunit_binary_ptr_assert.
- * @test: The test case that this expectation/assertion is associated with.
- * @type: The type (assertion or expectation) of this kunit_assert.
- * @op_str: A string representation of the comparison operator (e.g. "==").
- * @left_str: A string representation of the expression in the left slot.
- * @left_val: The actual evaluated value of the expression in the left slot.
- * @right_str: A string representation of the expression in the right slot.
- * @right_val: The actual evaluated value of the expression in the right slot.
- *
- * Initializes a &struct kunit_binary_ptr_assert. Intended to be used in
- * KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
- */
-#define KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT(test, \
- type, \
- op_str, \
- left_str, \
- left_val, \
- right_str, \
- right_val) { \
- .assert = KUNIT_INIT_ASSERT_STRUCT(test, \
- type, \
- kunit_binary_ptr_assert_format), \
- .operation = op_str, \
- .left_text = left_str, \
- .left_value = left_val, \
- .right_text = right_str, \
- .right_value = right_val \
-}
-
-/**
* struct kunit_binary_str_assert - An expectation/assertion that compares two
* string values (for example, KUNIT_EXPECT_STREQ(test, foo, "bar")).
* @assert: The parent of this type.
- * @operation: A string representation of the comparison operator (e.g. "==").
- * @left_text: A string representation of the expression in the left slot.
+ * @text: Holds the textual representations of the operands and comparator.
* @left_value: The actual evaluated value of the expression in the left slot.
- * @right_text: A string representation of the expression in the right slot.
* @right_value: The actual evaluated value of the expression in the right slot.
*
* Represents an expectation/assertion that compares two string values. For
@@ -313,45 +247,13 @@ void kunit_binary_ptr_assert_format(const struct kunit_assert *assert,
*/
struct kunit_binary_str_assert {
struct kunit_assert assert;
- const char *operation;
- const char *left_text;
+ const struct kunit_binary_assert_text *text;
const char *left_value;
- const char *right_text;
const char *right_value;
};
void kunit_binary_str_assert_format(const struct kunit_assert *assert,
+ const struct va_format *message,
struct string_stream *stream);
-/**
- * KUNIT_INIT_BINARY_STR_ASSERT_STRUCT() - Initializes a
- * &struct kunit_binary_str_assert.
- * @test: The test case that this expectation/assertion is associated with.
- * @type: The type (assertion or expectation) of this kunit_assert.
- * @op_str: A string representation of the comparison operator (e.g. "==").
- * @left_str: A string representation of the expression in the left slot.
- * @left_val: The actual evaluated value of the expression in the left slot.
- * @right_str: A string representation of the expression in the right slot.
- * @right_val: The actual evaluated value of the expression in the right slot.
- *
- * Initializes a &struct kunit_binary_str_assert. Intended to be used in
- * KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
- */
-#define KUNIT_INIT_BINARY_STR_ASSERT_STRUCT(test, \
- type, \
- op_str, \
- left_str, \
- left_val, \
- right_str, \
- right_val) { \
- .assert = KUNIT_INIT_ASSERT_STRUCT(test, \
- type, \
- kunit_binary_str_assert_format), \
- .operation = op_str, \
- .left_text = left_str, \
- .left_value = left_val, \
- .right_text = right_str, \
- .right_value = right_val \
-}
-
#endif /* _KUNIT_ASSERT_H */